X-ray generators · Optimus family

Philips OPTIMUS RAD: troubleshooting and error codes

The ServiceForge knowledge base holds 25 documented symptoms for the Philips OPTIMUS RAD, with 61 ranked causes, 77 diagnostic checks with test points and expected values, and 558 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Switch-ON not possible high voltage

H1 indicator on PCB EN100 is not illuminated; unit cannot be powered on

Ranked causes

1. ENF1 was released (common)
2. ENF1 is not switched ON (common)
3. Mains voltage absent, especially phase L3 (common)
4. ENF2 was released (occasional)
5. ENF2 is not switched ON (occasional)
6. PCB EN100 or connections faulty (occasional)

First check

Verify low-voltage supply

Test point: Low-voltage supply output
Expected: Supply within specification

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Tube adaptation radiation

Automatic process measuring mA offset, filament current, emission characteristic, and dynamic boost behavior after conditioning

Ranked causes

1. New conditioned tube requires adaptation (common)
2. Tube temperature too high during adaptation (occasional)
3. Adaptation stalls or error message flashes briefly (occasional)
4. Adaptation does not start or stalls mid-process for 30+ seconds (occasional)
5. Constant READY displayed during PREP and EXP activation (rare)

First check

Verify tube conditioning completed before starting adaptation

Test point: Tube conditioning procedure status
Expected: Conditioning procedure completed with no unresolved arcing

12 more checks with pass and fail actions, 6 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Unit cannot be switched ON high voltage

Generator fails to switch on; ENF1 or ENF2 contactors not activated

Ranked causes

1. ENF1 not switched ON (common)
2. ENF1 released due to fault condition (common)
3. ENF2 not switched ON (common)
4. ENF2 released by low-voltage supply or filament circuit fault (occasional)
5. ON circuit EN100 defective (occasional)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

AEC faulty exposure detection strategy verification radiation

Understanding when AEC faulty exposure detection prevents unnecessary radiation by checking 4% dose value at 10% of APR backup time; determines exposure termination limits for APR100, APR100*, APR800, APR800* configurations.

Ranked causes

1. AEC faulty exposure detection ON - APR100 (common)
2. AEC faulty exposure detection ON - APR800 (common)
3. AEC faulty exposure detection ON - APR100* and APR800* (common)
4. AEC faulty exposure detection OFF (common)

First check

Verify 10% backup time value for APR100

Test point: APR100 backup time
Expected: > 10ms

2 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Generator cannot reach READY state after switch-ON attempt high voltage

No desk display; low-voltage supply or contact closure problems

Ranked causes

1. Low-voltage supply fault (common)
2. ENF1 released by ground fault or short circuit (occasional)
3. Intermediate circuit voltage missing or intermediate circuit capacitor fault (occasional)
4. Intermediate circuit capacitor overvoltage due to high impedance or symmetry resistor tolerance (rare)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Generator in error state with displayed code high voltage

Operating panel displays error code during initialization or adaptation phase

Ranked causes

1. No tube data loaded yet (common)
2. No RGDVs programmed yet (common)
3. No communication between desk and central unit (occasional)
4. Adaptation failure after READY signal (occasional)

First check

Verify tube data loaded

Test point: Operating panel display
Expected: Tube data displayed, not 'No tube data loaded yet'

2 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

AEC signal error 00PL radiation

AEC signal disturbance detected; may present as warning or error depending on signal quality

Ranked causes

1. Measuring chamber shielding connected to system ground at chamber or interconnection (common)
2. Missing ground connection in measuring chamber cable (common)
3. Defective measuring chamber (rare)

First check

Verify shielding-to-system-ground connection absence

Test point: Sub-D connector shielding or 3+ pin M to system ground
Expected: Connection must not be present

3 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Generator fails to initialize high voltage

Generator does not reach READY state; selftest or internal communication fails

Ranked causes

1. Selftest failure in control desk C, EZ139, EZ130, EZ119, EZ150, EY, or EWA/B 102 (unknown)
2. CAN bus communication failure between central unit and functional units (unknown)
3. External ready condition not met (unknown)

First check

Observe selftest LED status during startup

Test point: Associated PCB red status LED
Expected: Red status LED illuminates briefly then blinks

2 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

No startup high voltage

Generator receives continuous reset via reset signal; all red LEDs illuminated

Ranked causes

1. EN100 V1 is defective (common)
2. No boot PROM present: EZ139 D3 (occasional)
3. Flash PROMs EZ139 D4/D5 not correctly loaded (occasional)

First check

Observe LED status

Test point: Generator LEDs
Expected: All red LEDs illuminated

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

AEC dose detection does not trigger switch-OFF at 4% threshold radiation

Measuring chamber fails to detect minimum 4% of desired dose at 10% backup time; exposure continues when it should stop to prevent low-density image

Ranked causes

1. Film/screen combination sensitivity exceeds 400 speed (occasional)
2. Measuring chamber not detecting dose properly (unknown)

First check

Verify film/screen combination speed rating

Test point: FSC film/screen combination parameters
Expected: Speed ≤ 400 for 4% dose detection to be active

2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

AEC exposure exceeds 9.5× typical mAs radiation

Generator does not stop exposure at expected dose limit; exposure continues beyond 9.5 times the organ-dependent background mAs value stored in APR program

Ranked causes

1. Technical problem occurred during exposure (unknown)
2. Patient size does not match selected APR (common)

First check

Verify AEC exposure terminates at 9.5× background mAs limit

Test point: Dose rate control supervision 1 setting
Expected: Exposure stops when 9.5 x mAsbackup is reached

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

AEC exposure reaches maximum 4000 ms timeout without proper termination radiation

Exposure duration approaches or exceeds 4000 ms backup time limit without appropriate dose detection response

Ranked causes

1. Dose rate control backup time calculation error (rare)
2. Supervision switches manually overridden (occasional)

First check

Verify DRC backup time calculation parameters

Test point: DRC kV and filament load settings in control system
Expected: Backup time = 9.5 × mAsbackup ÷ (dose rate function of kV and filament)

2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

AGenT software menu limited or Faultfind unavailable

AGenT main menu appears but not all menu items available; Faultfind option missing

Ranked causes

1. PMSSec reader not installed or not recognized (common)
2. PMSSec reader password not entered or authentication cancelled (occasional)

First check

Verify PMSSec reader software is installed

Test point: System software installed programs
Expected: PMSSec reader version 2.307 or higher installed

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Tube conditioning radiation

New or non-adapted tube requires conditioning procedure with graduated exposure parameters to prepare tube for adaptation

Ranked causes

1. New tube installed (common)
2. Tube arcing during conditioning (occasional)

First check

Select large focus only and begin conditioning sequence

Test point: Desk indicator
Expected: READY state displayed

3 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

High voltage measurement drift or emission current issues during adaptation high voltage

kV actual value problems or arcing entries in error log suggest high voltage circuit or duty cycle factor misalignment after adaptation failure

Ranked causes

1. Arcing entries 02WG or 02WH in error log (occasional)
2. kV actual value problems 02HG or 02HH in error log (occasional)

First check

Check error log for arcing entries after adaptation failure

Test point: Error log index entry codes
Expected: No arcing entries 02WG or 02WH present

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Service PC connection not established

Unable to connect service PC to generator for fault finding; hardware key may be required for full access

Ranked causes

1. Serial cable not properly connected or incorrect cable type (common)
2. Hardware key not installed or not recognized (occasional)

First check

Verify serial cable connection from PC COM1 to generator X5

Test point: EZ139 X5 connector and PC COM1 port
Expected: Cable plugged into correct connectors with proper pin alignment

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Switch-ON not possible, H1 illuminated high voltage

H1 indicator on PCB EN100 is illuminated but switch-ON cannot proceed

Ranked causes

1. EMERGENCY OFF circuit is open (common)
2. Operating desk not connected (common)

Calibration: AEC faulty exposure detection configuration radiation

Procedure to configure and verify AEC faulty exposure detection settings for patient safety during automatic exposures.

Ranked causes

1. Configuration selection: detection ON vs OFF (common)

First check

Confirm detection ON for APR100 termination at 4000ms

Test point: Backup time setting after parameter override
Expected: 4000ms maximum

3 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Area dose calculator radiation

Verify that area dose calculator measurements match displayed values within acceptable tolerance. Procedure involves measuring dose at specified kV settings with calibrated dosemeter and comparing calculated vs. displayed area dose products.

Ranked causes

1. Default yield curve or filter correction factors require adjustment (occasional)

First check

Place lead plate and measuring cell on table in central radiation beam; set 1m SMD, free cassette, kV-mAs-s technique, 10 mAs, 0.1s, 10×10 cm collimation, no filter

Test point: Measuring cell position
Expected: 1m source-measuring distance, collimation 10×10 cm at height of measuring cell
Tools: Calibrated dosemeter (DALI with cell 77334 or PMX3), 1mm lead plate, ruler

10 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: kV function unit alignment after component replacement high voltage

After replacing PCB kV-control, Converter, H.V. tank, or PCB Central unit, kV output must be realigned to ensure proper rise time and prevent break-in or overshoot. Requires oscilloscope measurement of UCOMP signal and adjustment of duty cycle factor via AGenT software.

Ranked causes

1. Component replacement affecting kV control loop calibration (common)

First check

Verify oscilloscope configuration and probe connections

Test point: EZ130 X3, X26, cabinet drilling holes
Expected: Probes connected to correct pins, grounds at drilling holes only, time base 5 or 10ms/div

8 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

LED indicator dark on low-voltage power supply EZ102 high voltage

One or more of LEDs H2 to H5 on PCB EZ102 is not illuminated, indicating absence of supply voltage

Ranked causes

1. External consumer short circuit (common)

First check

Verify which LED is dark

Test point: LEDs H2 to H5 on PCB EZ102
Expected: LED illuminated (supply voltage present)

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Phase L1 missing from mains supply high voltage

Mains contactors ENK2 and ENK1 cannot be activated due to missing L1 phase

Ranked causes

1. Phase L1 missing from supply (occasional)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Phase L2 missing from mains supply high voltage

Generator switches ON but not READY; filament circuit supply missing; kV function error message displayed

Ranked causes

1. Phase L2 missing from mains supply (occasional)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Phase L3 missing from mains supply high voltage

ON circuit has no supply voltage; generator cannot switch ON

Ranked causes

1. Phase L3 missing from mains supply (occasional)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Tube arcing during kV alignment patient safety

X-ray tube arcing occurs during high kV exposure adjustment, indicating potential tube damage or conditioning requirement.

Ranked causes

1. Tube requires conditioning after component replacement or long storage (occasional)

First check

Monitor for tube arcing during high kV exposure

Test point: X-ray tube visual/auditory observation and oscilloscope signals
Expected: No arcing, stable UCOMP and AV HT signals

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error codes

Code	Meaning	Trigger	Severity
`00B0`	CPU: Error in application data service interface	Application data service interface failure	error
`00B3`	Initialization error	Appears during startup or adaptation phase	error
`00B3`	NVRAM: Data language selector is invalid	Invalid language selector stored in non-volatile RAM	error
`00B6`	Initialization error	Appears during startup phase	error
`00B6`	NVRAM: FU adap data for DI are invalid	Functional unit adapter data corrupted	error
`00B7`	CPU: Message cannot be sent	Message transmission failure in processor	error
`00B8`	NVRAM: Tomo mode switch cannot be enabled	Tomography mode enable failure	error
`00BG`	APR: No more lowest level menus available	Menu system resource exhaustion	error
`00BH`	APR: Display position collision	APR configuration conflict in display layout	error
`00BI`	APR: Menu / APR mismatch in same level	Menu structure configuration error	error
`00BJ`	APR: Menu name not found	Menu name lookup failure	error
`00BK`	APR: APR is assigned to a different RGDV	APR assignment conflict	error
`00BL`	APR: Menu name already exists	Duplicate menu name in configuration	error
`00BM`	APR: Max. display position reached	Display position limit exceeded	error
`00BN`	APR: APR not found in this menu	APR lookup failure in menu tree	error
`00BQ`	CPU: APR cannot be modified	Attempt to modify read-only APR	error
`00BR`	CPU: APR is not assigned to an RGDV	APR assignment missing	error
`00BS`	APR: The RGDV of the APR is not ready for operation	RGDV initialization failure	error
`00BU`	Adaptation phase error	Occurs after adaptation mode initiated following READY signal	error
`00BV`	Adaptation phase error	Occurs during adaptation phase	error
`00BV`	Warning: Temperature threshold exceeded	Supervised temperature level exceeds specified limit during high power operation or adaptation	warning
`00BW`	APR: APR not accepted by general calculation	APR validation failure during calculation	error
`00DA`	CAN: No CPU access to CAN-chip	CAN bus controller interface failure	error
`00DE`	CAN: Unexpected CAN-chip interrupt pointer	Invalid interrupt from CAN controller	error
`00DI`	CAN-chip state bus OFF	CAN bus offline condition detected	error
`00E0`	iRMX exception occurred	Real-time kernel exception	error
`00G0`	Variable in case statement has undefined value	Software logic error in case statement	warning
`00G1`	Condition_code <> OK after CALL to send	Send operation returned error status	error
`00I4`	One FU has a WD-error, scantime_TV not programmed correctly	Watchdog error in functional unit	error
`00L1`	GC: Checksum error	Data checksum validation failure	error
`00L2`	GC: Data access error	Generator control data read/write failure	error
`00L3`	GC: Limit data error	Generator control limit values invalid	error
`00L4`	GC: Limits inconsistent	Generator control limit values contradict	error
`00L5`	GC: Calculation error	Generator control calculation failed	error
`00L6`	GC: Function not implemented	Generator control function called but not available	error
`00M0`	Unable to initialise FU(s)	Functional unit initialization failure	error
`00M1`	Configuration key is missing or defective	Configuration key not detected	error
`00M3`	No response at all from FU(s)	Functional unit communication timeout	error
`00PD`	PC comm: Unknown TDL proc ID	Invalid procedure ID in PC communication	error
`00PL`	AEC signal error	Automatic Exposure Control signal disturbance detected	warning
`00S0`	PCcomm: Tube programming error	X-ray tube configuration failure	error
`00SA`	PCcomm: Not enough space at destination segment	Memory buffer overflow during communication	error
`00SC`	PCcomm: Value too large	Parameter value exceeds maximum	error
`00SD`	PCcomm: Terminator not found	Message format error	error
`00SE`	PCcomm: Error in description	Invalid description data format	error
`00SF`	PCcomm: Item type unknown	Unrecognized item type in configuration	error
`00SG`	PCcomm: Internal type unknown	Unknown internal data type	error
`00SH`	PCcomm: Value negative	Negative value where positive required	error
`00SJ`	PCcomm: Syntax wrong	Command syntax error	error
`00SK`	PCcomm: String too long	String parameter exceeds length limit	error
`00SN`	PCcomm: FU Reference Table full	Functional unit reference table exhausted	error
`00SO`	PCcomm: Node ID unknown	Unknown CAN node identifier	error
`00SP`	PCcomm: FU Code unknown	Unrecognized functional unit code	error
`00SQ`	PCcomm: Syntax error in node ID	Invalid node ID format	error
`00SS`	PCcomm: Request not performed	Command execution failed	error
`00ST`	PCcomm: RMX error	Real-time kernel error in PC communication	error
`00SV`	PCcomm: Mail corrupted	Inter-process message corruption detected	error
`00SW`	PCcomm: Procedure ID unknown	Unknown procedure identifier	error
`00SX`	PCcomm: FU mA incompatible	Incompatible mA control unit	error
`00SY`	PCcomm: FU Off request failed	Failure to power off functional unit	error
`00SZ`	PCcomm: Wrong response	Unexpected response from functional unit	error
`00TA`	TTS: Received message unknown	Unrecognized TTS message received	error
`00TB`	TTS: Tube supervision error from FU kV	Tube supervision fault detected during operation	error
`00TC`	TTS: Internal TTS error	Internal tube supervision system malfunction	error
`00TD`	TTS: Tube number unknown	System cannot identify installed tube during initialization	error
`00TE`	TTS: NVRAM checksum error	NVRAM data integrity check fails during startup	error
`00TF`	TTS: NVRAM unavailable	System cannot access NVRAM during initialization	error
`00TG`	TTS: Tube overheated	Tube temperature exceeds safe operating limit	error
`00TH`	TTS: Load data supply inconsistent	Tube load data does not match supply voltage	warning
`00X0`	CPU wrong timer ID	CPU timer reference is invalid during operation	error
`00X1`	CPU wrong timer mode	CPU timer mode register contains invalid value	error
`00X2`	CPU wrong message type	CAN or IIM message has unrecognized type identifier	error
`00X3`	CPU DWORD does not fit into BYTE3	Data size mismatch in memory operation	warning
`00X4`	Timeout of X-ray backup timer	X-ray backup timer expires without expected event	warning
`00X5`	Timeout of X-ray rotation timer	Anode rotation timer exceeds safe limit	warning
`00X6`	Adaptation error	Occurs after adaptation mode initiated	error
`00X6`	Timeout setting FUs, response missing	Functional Unit fails to respond to command within timeout	warning
`00X7`	CPU curve token is NO_TOKEN	Invalid curve token encountered during operation	warning
`00XA`	NVRAM switch table invalid	Switch table in NVRAM fails checksum or format validation	unknown
`00XB`	NVRAM tube data rotation invalid	Tube rotation data in NVRAM fails validation	warning
`00XC`	NVRAM watch dog invalid	Watchdog timer data in NVRAM is corrupted	warning
`00XD`	NVRAM configuration table invalid	System configuration table in NVRAM fails validation	warning
`00XE`	NVRAM test data invalid	Test data stored in NVRAM fails validation check	warning
`00XF`	NVRAM RoCo data invalid	Rotation control data in NVRAM fails validation	warning
`00XG`	CPU received IIM is unknown	Unrecognized IIM message received by CPU	unknown
`00XH`	CPU received FU-type is unknown	Unrecognized Functional Unit type in CAN message	unknown
`00XI`	Init with FU-RoCo not OK	Functional Unit rotation control initialization fails	error
`00XJ`	Exposure time too short	Requested exposure duration below minimum threshold	warning
`00XK`	CPU FUmA refuses set data	Functional Unit mA control rejects command	warning
`00XL`	NVRAM tube yield table invalid	Tube yield calibration table in NVRAM fails validation	warning
`00XM`	NVRAM add filter corr table invalid	Additional filter correction data in NVRAM fails validation	warning
`00XN`	NVRAM wedge filter corr table invalid	Wedge filter correction table in NVRAM fails validation	warning
`00XO`	Exposure time too long	Requested exposure duration exceeds maximum threshold	error
`00XP`	Exposure time too long	Exposure duration exceeds warning threshold	warning
`00XQ`	NVRAM tube statistic data invalid	Tube usage statistics in NVRAM fail validation	warning
`00XR`	NVRAM gsta data invalid	System statistics data in NVRAM fails validation	warning
`00XS`	Tube no. in CU and FUkV different	Tube identification mismatch between Control Unit and kV module	warning
`00XT`	Rotation in CU and FURoCo FUCIE different	Anode rotation parameter mismatch between modules	warning
`00XU`	Transition endless loop	State machine transitions endlessly without reaching target state	error
`00XV`	NVRAM HW test flags invalid	Hardware test flag data in NVRAM fails validation	warning
`00XW`	EN_X active in startup	X-ray enable signal remains active during system startup	error
`00XX`	RD_PR_X stays active after prep	X-ray prepare signal does not deactivate after preparation phase	error
`02AB`	Procedure called with wrong parameter	Function receives out-of-range or invalid parameter value	warning
`02AC`	Wrong index for table access	Array or table index out of bounds during access	error
`02AD`	Wrong do case entry	Case statement receives unhandled value	error
`02AE`	Unknown IIM received	Unrecognized Inter-Module-Interface message arrives	warning
`02AF`	IIM parameter out of range	IIM message contains parameter outside safe limits	warning
`02CA`	Error in CASE selector	CAN message has invalid CASE selector value	warning
`02CB`	CAN message with wrong IIM-no received	CAN frame addressed to non-existent module	warning
`02CC`	Multiple reception of same CAN frame	CAN transmitter sends duplicate frame	warning
`02CE`	Unexpected signal value in CAN rx task	CAN message contains unexpected signal value	warning
`02CF`	CAN bus timeout while domain transmission	CAN communication times out during data domain transfer	warning
`02CG`	Token of CAN response mailbox is not a mailbox token	CAN mailbox contains invalid token type	warning
`02CX`	Multiple rx of same CAN last/only frame	CAN receiver duplicates final frame	warning
`02CY`	Aborted CAN domain receive	CAN message reception aborted due to timeout or error	warning
`02CZ`	Unexpected CAN domain frame received	CAN frame arrives outside expected IIM reception window	warning
`02DA`	No CPU access to CAN controller	CPU cannot communicate with CAN controller	warning
`02DB`	Reset or release of CAN controller not acknowledged	CAN controller does not respond to reset command	warning
`02DD`	Check of CAN controller DPRAM failed	DPRAM test in CAN controller fails validation	warning
`02DE`	Unexpected interrupt pointer in CAN controller	CAN controller interrupt handler address is invalid	warning
`02DF`	CAN controller state undefined	CAN controller enters unknown state during operation	warning
`02DG`	CAN controller state ERROR ACTIVE after ERROR PASSIVE	CAN bus transitions from passive to active error state	warning
`02DH`	CAN controller state ERROR PASSIVE	CAN bus enters error passive state	warning
`02DI`	CAN controller state BUS OFF	CAN controller goes offline due to excessive errors	warning
`02DJ`	CAN controller state DPRAM ERROR	CAN controller DPRAM test fails	warning
`02DK`	CAN controller state DPRAM ERROR and ERROR PASSIVE	CAN controller has both DPRAM fault and bus errors	warning
`02EA`	Interrupt 0: Divide by zero	CPU attempts division by zero	error
`02EB`	Interrupt 1: Single step	CPU single-step interrupt activated	error
`02EC`	Interrupt 2: NMI	Non-maskable interrupt triggered in CPU	error
`02ED`	Interrupt 3: Breakpoint	CPU breakpoint instruction executed	error
`02EE`	Interrupt 4: Overflow exception	CPU arithmetic overflow detected	error
`02EF`	Interrupt 5: Array bounds exception	Array index exceeds bounds during access	error
`02EG`	Interrupt 6: Unused opcode	CPU executes undefined instruction code	error
`02EH`	Interrupt 7: ESC opcode	CPU executes escape/coprocessor instruction	error
`02EI`	CAN connection to CU lost	Communication with Control Unit via CAN is lost	error
`02GA`	Interpolation not possible	Data interpolation algorithm fails to complete	warning
`02HA`	kV nominal value out of range	Requested kV deviates > 4% + 1kV, 3 detections in 30ms	warning
`02HB`	kV nominal value out of range	Requested kV outside limits 0-170 kV	error
`02HC`	Z nominal value out of range	Duty cycle deviates > 1% ± 0.2, 3 in 30ms, DC 3-30%	warning
`02HD`	Z nominal value out of range	Duty cycle outside limits 0-50%	error
`02HE`	kV value during standby too large	Standby kV > 3kV for > 400ms after PREP	warning
`02HF`	kV value during standby too large	Standby kV > 4kV for > 400ms after PREP	error
`02HG`	kV actual value out of tolerance during adaptation	Measured X-ray tube voltage deviates from expected value during adaptation or operation	error
`02HH`	kV feedback or measurement circuit fault during adaptation	High voltage feedback signal absent or out of range during adaptation cycle	error
`02HH`	kV actual value out of range	Measured kV outside 20-170kV, 3 detections in 30ms	error
`02HI`	E value during standby out of range	Standby filament voltage 470-780V, 3 in 30ms	warning
`02HJ`	E value during standby out of range	Standby filament voltage outside 450-800V	error
`02HK`	E value during high tension out of range	Operating filament voltage 400-780V, 3 in 30ms	warning
`02HL`	E value during high tension out of range	Operating filament voltage outside 350-800V	error
`02HM`	Converter 1 temperature out of range	Temperature 0-85°C, 3 detections in 30ms	warning
`02HN`	Converter 1 temperature out of range	Temperature outside 0-90°C range	error
`02HO`	Converter 2 temperature out of range	Temperature 0-85°C, 3 detections in 30ms	warning
`02HP`	Converter 2 temperature out of range	Temperature outside 0-90°C range	error
`02HQ`	High tension tank temperature out of range	Tank temperature 0-80°C, 3 detections in 30ms	warning
`02HR`	High tension tank temperature out of range	Tank temperature outside 0-85°C range	error
`02HS`	Divider test cathode out of range	Cathode divider voltage 45.5-50.5kV, 3 in 30ms	warning
`02HT`	Divider test cathode out of range	Cathode divider voltage outside 43-53kV	error
`02HU`	Divider test anode out of range	Anode divider voltage 45.5-50.5kV, 3 in 30ms	warning
`02HV`	Divider test anode out of range	Anode divider voltage outside 43-53kV	error
`02HW`	kV asymmetrical	kV phase asymmetry > 15%, 2 detections in 20ms	warning
`02HX`	kV asymmetrical	kV phase asymmetry > 15%, 3 detections in 30ms	error
`02MA`	State request not accepted because of grid mode	Invalid state transition requested during grid mode operation	error
`02MB`	State request not accepted because of error state	System in error state preventing state transition	error
`02MC`	State requested by CU unknown	Control Unit requests undefined system state	warning
`02OA`	RMX error: Timeout	Real-time multitasking executive timeout	error
`02OB`	RMX error: Memory	Real-time OS memory allocation fails	error
`02OC`	RMX error: Busy	Real-time OS resource is busy	error
`02OE`	RMX error: Limit	Real-time OS limit exceeded	error
`02OF`	RMX error: Context	Real-time OS context error	error
`02OG`	RMX error: Exist	Real-time OS resource already exists	error
`02OH`	RMX error: State	Real-time OS invalid state transition	error
`02OI`	RMX error: Not configured	Real-time OS resource not configured	error
`02OJ`	RMX error: Interrupt saturation	Too many interrupts pending in real-time OS	error
`02OK`	RMX error: Interrupt overflow	Real-time OS interrupt queue overflows	error
`02OL`	RMX error: Transmission	Real-time OS message transmission fails	error
`02OM`	RMX error: Divide by zero	Real-time OS divide by zero exception	error
`02ON`	RMX error: Overflow	Real-time OS arithmetic overflow	error
`02OO`	RMX error: Type	Real-time OS type error	error
`02OP`	RMX error: Parameter	Real-time OS invalid parameter	error
`02OQ`	RMX error: Bad call	Real-time OS invalid function call	error
`02OR`	RMX error: Array bound	Real-time OS array bounds exceeded	error
`02OS`	RMX error: NDP error	Real-time OS NDP (numeric data processor) error	error
`02OT`	RMX error: Illegal opcode	Real-time OS encounters illegal instruction	error
`02OU`	RMX error: Emulator trap	Real-time OS emulator trap activated	error
`02OV`	RMX error: Interrupt table limit	Real-time OS interrupt table exceeds limit	error
`02OW`	RMX error: CPU xfer data limit	Real-time OS CPU data transfer limit exceeded	error
`02OX`	RMX error: Wrap around	Real-time OS buffer wrap-around error	error
`02OY`	RMX error: Check exception	Real-time OS check exception raised	error
`02OZ`	RMX error: Unknown	Real-time OS unknown error condition	error
`02RA`	Grid mode changeover requested during prep	Operator requests grid mode change while preparing exposure	warning
`02RB`	Tube switch requested during preparation	Operator requests tube change during prep phase	warning
`02RC`	Requested P out of range	Power parameter P outside valid operating range	warning
`02SA`	Not enough space at destination	Data buffer at destination has insufficient space	warning
`02SB`	Base out of range	Base address or reference out of valid range	warning
`02SC`	PC comm.: Value too large	Value in PC communication exceeds maximum	warning
`02SD`	Terminator not found	Message terminator missing in communication	warning
`02SE`	PC comm.: Error in description	Invalid description in PC communication message	warning
`02SF`	PC comm.: Item type unknown	Unknown item type in PC communication	warning
`02SG`	PC comm.: Internal type unknown	Internal data type unrecognized in PC communication	warning
`02SH`	PC comm.: Value negative	Negative value received when positive expected	warning
`02SI`	PC comm.: No space at dest. buffer	Destination buffer full in PC communication	warning
`02SJ`	PC comm.: Syntax wrong	Command syntax error in PC communication	warning
`02SK`	PC comm.: String too long	String in PC communication exceeds maximum length	warning
`02SL`	PC comm.: String truncated	String in PC communication was truncated	warning
`02SO`	PC comm.: Unknown table ID received	Unrecognized table identifier in PC communication	warning
`02SP`	PC comm.: Access level to low	User access level insufficient for operation	warning
`02SQ`	PC comm.: Unknown action requested	Unrecognized action in PC communication command	warning
`02SR`	PC comm.: Routing or message corrupt	Message routing error or corruption detected	warning
`02SS`	Source buffer too small for incoming message	Source buffer cannot accommodate incoming data	warning
`02ST`	CAN buffer too small for outgoing message	CAN transmission buffer cannot hold message	warning
`02SU`	PC comm.: Access level is N/A	Access level undefined or unavailable	warning
`02UA`	HW configuration identifier wrong	Hardware configuration ID does not match expected	error
`02UB`	Set Up request received during preparation	Setup command received while system is preparing	warning
`02WA`	Wrong tube selected	Selected tube differs from installed tube	warning
`02WB`	Wrong tube selected	Tube selection error prevents operation	error
`02WC`	EN X C signal faulty	X-ray enable control signal is abnormal	warning
`02WD`	EN X C signal faulty	X-ray enable control signal failure prevents operation	error
`02WE`	Wrong grid mode selected	Selected grid mode incompatible with operation	warning
`02WF`	Wrong grid mode selected	Grid mode selection prevents exposure generation	error
`02WG`	Tube arcing detected	Electrical arcing inside tube detected by sensors	warning
`02WG`	Arcing detected in high voltage circuit during adaptation	Electrical arc between tube electrodes during adaptation exposures or conditioning	error
`02WH`	Arcing or electrical fault detected during adaptation	Electrical arc or fault condition during high voltage operation in adaptation sequence	error
`02WH`	Tube arcing detected	Tube arcing causes shutdown to prevent damage	error
`02WI`	kV over voltage detected	Measured kV exceeds safe maximum during operation	warning
`02WJ`	kV over voltage detected	Excessive kV prevents safe operation	error
`02WK`	Measuring not stable	Measurement signals show instability or drift	warning
`02WL`	Tube supervision error	Tube monitoring system detects an anomaly	error
`02WM`	Tube supervision error	Tube supervision system critical failure	error
`03DI`	CAN controller state BUS OFF	CAN controller enters bus off state	warning
`03DJ`	CAN controller state DPRAM ERROR	Dual-port RAM error detected in CAN controller	warning
`03DK`	CAN controller state DPRAM ERROR and ERROR PASSIVE	Dual-port RAM error with passive error mode	warning
`03EA`	CPU interrupt 0	CPU interrupt 0 fault	error
`03EB`	CPU interrupt 1	CPU interrupt 1 fault	error
`03ED`	CPU interrupt 3	CPU interrupt 3 fault	error
`03EE`	CPU interrupt 4	CPU interrupt 4 fault	error
`03EF`	CPU interrupt 5	CPU interrupt 5 fault	error
`03EG`	CPU interrupt 6	CPU interrupt 6 fault	error
`03EH`	CPU interrupt 7	CPU interrupt 7 fault	error
`03EI`	CAN is unable to send an error to CU	CAN error reporting failure	error
`03FA`	NVRAM: Invalid checksum	NVRAM data integrity check fails	warning
`03FB`	NVRAM: Standby filament not found	Standby filament data missing from NVRAM	warning
`03FC`	No NVRAM plugged in	NVRAM module not detected	error
`03FD`	NVRAM empty; battery?	NVRAM data missing; battery backup suspected failed	warning
`03GA`	Limit error	Parameter exceeds limit	error
`03GB`	Real math error: Real underflow	Floating-point calculation underflow	warning
`03GC`	Real math error: Real overflow	Floating-point calculation overflow	warning
`03GD`	Real math error: Dword overflow	32-bit integer calculation overflow	warning
`03GE`	Real math error: Integer overflow	Integer calculation overflow	warning
`03GF`	Real math error: Word overflow	16-bit integer calculation overflow	warning
`03GG`	Singular matrix	Matrix calculation with no inverse	warning
`03HA`	Unknown hardware	Hardware not recognized during initialization	error
`03HB`	Intermediate circuit voltage < 200V	DC bus voltage falls below 200V	warning
`03HF`	Undefined analog input channel	Analog input channel not configured	warning
`03HG`	If--actual out of tolerance	Filament current measurement exceeds tolerance	warning
`03HH`	If setpoint to large	Filament current setpoint exceeds maximum	error
`03HI`	If--actual out of tolerance	Filament current out of tolerance during operation	error
`03HJ`	If--actual out of tolerance	Filament current exceeds limit	error
`03HK`	If--nominal out of tolerance	Nominal filament current set too high	warning
`03HL`	If--nominal out of tolerance	Filament current nominal value invalid	error
`03HM`	If--nominal out of tolerance	Nominal filament current parameter out of range	error
`03HN`	No retrigger received from CU	Control unit does not send retrigger signal	error
`03IA`	Adaptation cannot be completed	Filament adaptation procedure fails	warning
`03IC`	No Ie--adaptation measurement values	Exposure time adaptation missing measurement data	warning
`03ID`	Ie--adaptation values not evaluable	Exposure time adaptation data cannot be processed	warning
`03KA`	Condi.--X--Ray mode without mAs parameter	Conditioning mode requested without mAs value	warning
`03MA`	Undefined status	System status unknown	warning
`03MB`	Status change not allowed	State transition requested but not permitted	warning
`03MC`	FU init data not expected	Initialization data received unexpectedly	warning
`03OA`	RMX exception: E$TIME	Timeout in RTOS kernel	error
`03OB`	RMX exception: E$MEM	Memory allocation failure	error
`03OC`	RMX exception: E$BUSY	Resource is busy	error
`03OD`	RMX exception: E$LIMIT	Resource limit exceeded	error
`03OE`	RMX exception: E$CONTEXT	Invalid execution context	error
`03OF`	RMX exception: E$EXIST	Resource already exists	error
`03OG`	RMX exception: E$STATE	Invalid object state	error
`03OH`	RMX exception: E$NOT$CONFIGURED	Resource not configured	error
`03OI`	RMX exception: E$INTERRUPT$SATURATION	Interrupt handler queue overflow	error
`03OJ`	RMX exception: E$INTERRUPT$OVERFLOW	Interrupt service routine overflow	error
`03OK`	RMX exception: E$TRANSMISSION	Communication transmission error	error
`03OL`	RMX exception: E$ZERO$DIVIDE	Divide by zero in kernel	error
`03OM`	RMX exception: E$OVERFLOW	Overflow in kernel operation	error
`03ON`	RMX exception: E$TYPE	Type mismatch in kernel	error
`03OO`	RMX exception: E$PARAM	Invalid parameter to kernel function	error
`03OP`	RMX exception: E$BAD$CALL	Invalid kernel function call	error
`03OQ`	RMX exception: E$ARRAY$BOUND	Array index out of bounds	error
`03OR`	RMX exception: E$NDP$ERROR	Floating-point coprocessor error	error
`03OS`	RMX exception: E$ILLEGAL$OPCODE	Illegal CPU instruction executed	error
`03OT`	RMX exception: E$EMULATOR$TRAP	CPU emulation trap triggered	error
`03OU`	RMX exception: E$INTERRUPT$TABLE$LIMIT	Interrupt table size exceeded	error
`03OV`	RMX exception: E$CPUXFER$DATA$LIMIT	CPU transfer data limit exceeded	error
`03OW`	RMX exception: E$SEG$WRAP$AROUND	Memory segment wrap-around	error
`03OX`	RMX exception: E$CHECK$EXCEPTION	Check exception in kernel	error
`03OY`	Unknown RMX exception	Unrecognized kernel exception	error
`03PA`	Ie zero measured	Exposure time current measurement reads zero	error
`03PB`	Ie out of tolerance: 10% (Ie > 5mA, exp. time ≤44ms) or 3% (Ie > 5mA, exp. time > 44ms)	Exposure time current deviates from tolerance	warning
`03PC`	Ie out of tolerance: 30% (Ie > 5mA, exp. time > 44ms)	Exposure time current exceeds 30% tolerance	error
`03PD`	Setpoint for Ie--regulation incorrect	Exposure time current setpoint invalid	warning
`03PE`	Emergency OFF! Grid not closed!	Emergency stop triggered; grid not conducting	error
`03PF`	No kV discharged due to missing Ie	High voltage not applied because exposure time current absent	error
`03SC`	PC comm.: Value too large	Parameter value exceeds maximum during PC communication	warning
`03SE`	PC comm.: Error in description	Parameter description invalid	warning
`03SF`	PC comm.: Item type unknown	Unknown parameter type received	warning
`03SG`	PC comm.: Internal type unknown	Internal parameter type not recognized	warning
`03SH`	PC comm.: Value negative	Negative value received where positive required	warning
`03SI`	PC comm.: No space at dest. buffer	Receive buffer full	warning
`03SJ`	PC comm.: Syntax wrong	Invalid message syntax from PC	warning
`03SK`	PC comm.: String too long	String parameter exceeds maximum length	warning
`03SL`	PC comm.: String truncated	String parameter truncated during reception	warning
`03SO`	PC comm.: Unknown table ID received	Invalid table identifier from PC	warning
`03SP`	PC comm.: Access level to low	Insufficient access rights for operation	warning
`03SQ`	PC comm.: Unknown action requested	Invalid action command from PC	warning
`03SR`	PC comm.: Routing or message corrupt	Message routing or content corrupted	warning
`03SU`	PC comm.: Access level is N/A	Access level attribute not available	warning
`07CA`	CAN: Case--selector error	Case selector value invalid	error
`07CB`	CAN: Invalid CAN ID %u	CAN message with unrecognized identifier	warning
`07CC`	CAN: Frame rep. overflow IIM%u	Repeated CAN frame buffer overflow	error
`07CD`	CAN: No RTR from CU	Remote transmission request not received	error
`07CE`	CAN: rx signal conflict IIM%u	Received signal conflicts with expected	error
`07CF`	CAN: tx timeout	CAN transmit operation times out	error
`07CI`	CAN: IMPOSSIBLE ERROR	Undocumented CAN error state	warning
`07CP`	CAN: CPU: PXerr %d %s(%d)	PXROS CPU error with details	warning
`07CR`	CAN: CPU: Message request fail	Message request operation failed	warning
`07CS`	CAN: CPU: Message send error	CAN message transmission failed	warning
`07CY`	CAN: rx abort IIM%u	CAN reception aborted	error
`07CZ`	CAN: Unexpected frame (IIM%u)	Received CAN frame not expected	warning
`07DA`	CAN: Chip access error	CAN chip memory access fails	error
`07DB`	CAN: Chip reset error	CAN chip reset fails	error
`07DC`	CAN: Chip reset release error	CAN chip fails to exit reset	error
`07DE`	CAN: Illegal interrupt pointer	Invalid CAN interrupt handler pointer	warning
`07DF`	CAN: Chip state undefined	CAN chip in undefined state	error
`07DG`	CAN: Chip err act. after pass.	CAN chip error state active after passive	warning
`07DH`	CAN: Chip state error passive	CAN chip in error passive state	warning
`07DI`	CAN: Chip state bus OFF	CAN chip bus OFF state	warning
`07DJ`	CAN: Chip DPRAM error	Dual-port RAM error in CAN chip	error
`07DK`	CAN: Chip DPRAM error & passive	DPRAM error with passive error state	warning
`07DL`	CAN: Unexpected interrupt	Unexpected CAN interrupt received	warning
`07LA`	CV received IIM unknown	Conversion received from unknown module	warning
`07LB`	RC stator number out of range	Rotor/stator number exceeds valid range	warning
`07LC`	RC stator not available	Configured rotor stator not installed	warning
`07LD`	RC stator 1 readback failed	Rotor stator 1 feedback missing	error
`07LE`	RC stator 2 readback failed	Rotor stator 2 feedback missing	error
`07LF`	RC stator 3 readback failed	Rotor stator 3 feedback missing	error
`07LG`	RC speed value out of range	Rotor speed parameter invalid	warning
`07LH`	RC speed set timeout	Rotor speed change times out	error
`07LI`	RC maximal stator load exceeded	Rotor torque exceeds maximum	warning
`07LJ`	RC maximal rotation time exceeded	Rotor rotation duration exceeds limit	error
`07LK`	AM amplimat chamber number out of range	Amplimat chamber number invalid	warning
`07LL`	AM amplimat field number out of range	Amplimat field number invalid	warning
`07LM`	AM amplimat delay value out of range	Amplimat delay parameter invalid	warning
`08CA`	CAN: Case--selector error	Case selector value invalid on display module	error
`08CB`	CAN: Invalid CAN ID %u	CAN message with unrecognized identifier	warning
`08CC`	CAN: Frame rep. overflow IIM%u	Repeated CAN frame buffer overflow	error
`08CD`	CAN: No RTR from CU	Remote transmission request not received	error
`08CE`	CAN: rx signal conflict IIM%u	Received signal conflicts with expected	error
`08CF`	CAN: tx timeout	CAN transmit operation times out	error
`08CI`	CAN: IMPOSSIBLE ERROR	Undocumented CAN error state	warning
`08CP`	CAN: CPU: PXerr %d %s(%d)	PXROS CPU error with details	warning
`08CR`	CAN: CPU: message request fail	Message request operation failed	warning
`08CS`	CAN: CPU: message send error	CAN message transmission failed	warning
`08CY`	CAN: rx abort IIM%u	CAN reception aborted	error
`08CZ`	CAN: Unexpected frame (IIM%u)	Received CAN frame not expected	warning
`08DA`	CAN: Chip access error	CAN chip memory access fails	error
`08DB`	CAN: Chip reset error	CAN chip reset fails	error
`08DC`	CAN: Chip reset release error	CAN chip fails to exit reset	error
`08DE`	CAN: Illegal interrupt pointer	Invalid CAN interrupt handler pointer	warning
`08DF`	CAN: Chip state undefined	CAN chip in undefined state	error
`08DG`	CAN: Chip err act. after pass.	CAN chip error state active after passive	warning
`08DH`	CAN: Chip state error passive	CAN chip in error passive state	warning
`08DI`	CAN: Chip state bus OFF	CAN chip bus OFF state	warning
`08DJ`	CAN: Chip DPRAM error	Dual-port RAM error in CAN chip	error
`08DK`	CAN: Chip DPRAM error & passive	DPRAM error with passive error state	warning
`08DL`	CAN: Unexpected interrupt	Unexpected CAN interrupt received	warning
`08HA`	No message receive displaytask	Display task receives no message	error
`08HB`	No message release displaytask	Display task release message fails	error
`08HC`	APR not found	Alarm presentation resource not found	error
`08HD`	Offset in menu structure out of range	Menu offset exceeds valid range	error
`08HF`	No message request for test task	Test task receives no message request	error
`08HG`	No message send for test task	Test task fails to send message	error
`08HH`	APR buffer full	Alarm presentation buffer overflows	error
`08HI`	No message send for test task	Test task message transmission fails	error
`08HJ`	No send message to CU from ODD	Message transmission from display to control unit fails	error
`08HK`	Data error in CAN message	CAN message contains invalid data	error
`08HL`	No message send for service task	Service task fails to transmit message	error
`08IE`	Wrong setup IIM	Invalid setup for interface module	error
`08SA`	No request domtxtask when scanning	Domain text task request fails during scan	error
`08SB`	No request domtxtask when testing	Domain text task request fails during test	error
`08SC`	No send message to task2_sc	Message to scanner task 2 fails	error
`10CA`	CAN: Case--selector error	Case selector value invalid on rotor control	error
`10CB`	CAN: Invalid CAN ID %u	CAN message with unrecognized identifier	warning
`10CC`	CAN: Frame rep. overflow IIM%u	Repeated CAN frame buffer overflow	error
`10CD`	CAN: No RTR from CU	Remote transmission request not received	error
`10CE`	CAN: rx signal conflict IIM%u	Received signal conflicts with expected	error
`10CF`	CAN: tx timeout	CAN transmit operation times out	error
`10CI`	CAN: IMPOSSIBLE ERROR	Undocumented CAN error state	warning
`10CP`	CAN: CPU: PXerr %d %s(%d)	PXROS CPU error with details	warning
`10CR`	CAN: CPU: Message request fail	Message request operation failed	warning
`10CS`	CAN: CPU: Message send error	CAN message transmission failed	warning
`10CY`	CAN: rx abort IIM%u	CAN reception aborted	error
`10CZ`	CAN: Unexpected frame (IIM%u)	Received CAN frame not expected	warning
`10DA`	CAN: Chip access error	CAN chip memory access fails	error
`10DB`	CAN: Chip reset error	CAN chip reset fails	error
`10DC`	CAN: Chip reset release error	CAN chip fails to exit reset	error
`10DE`	CAN: Illegal interrupt pointer	Invalid CAN interrupt handler pointer	warning
`10DF`	CAN: Chip state undefined	CAN chip in undefined state	error
`10DG`	CAN: Chip err act. after pass.	CAN chip error state active after passive	warning
`10DH`	CAN: Chip state error passive	CAN chip in error passive state	warning
`10DI`	CAN: Chip state bus OFF	CAN chip bus OFF state	warning
`10DJ`	CAN: Chip DPRAM error	Dual-port RAM error in CAN chip	error
`10DK`	CAN: Chip DPRAM error & passive	DPRAM error with passive error state	warning
`10DL`	CAN: Unexpected interrupt	Unexpected CAN interrupt received	warning
`10FB`	Short circuit detected	Electrical short detected on rotor control	error
`10FT`	Overcurrent detected	Rotor control motor current exceeds limit	warning
`10IF`	Initialization failed	Rotor control initialization unsuccessful	warning
`10LA`	Acceleration count limit exceeded	Rotor acceleration attempts exceed limit	warning
`10LH`	Phase current %u mA (>%u)	Motor phase current exceeds maximum	error
`10LL`	Phase current %u mA (<%u)	Motor phase current below minimum	error
`10LO`	Intermediate voltage %u V (>%u)	DC bus voltage exceeds maximum	warning
`10LT`	Temperature limit exceeded	Rotor control temperature too high	error
`10LU`	Intermediate voltage %u V (<%u)	DC bus voltage below minimum	warning
`10LZ`	Temperature sensor failure	Temperature sensor not responding	error
`10OE`	CPU: PXROS error %d	PXROS kernel error on rotor control	warning
`10OF`	CPU: PXROS error %d %s(%d)	PXROS kernel error with details	warning
`10RC`	Rotation check failed	Rotor does not rotate as expected	error
`10RI`	Invalid rotation request : %u	Invalid rotor speed or direction request	error
`10RT`	Rotation request timeout	Tube rotation request does not complete within timeout period	error
`10TD`	Invalid data for tube	Invalid tube data received or detected	error
`10TE`	Stator hardware error	Stator hardware malfunction detected	error
`10TF`	Stator switching failed	Stator switching command failed to execute	error
`10TI`	Invalid stator request	Invalid or out-of-range stator request issued	error
`10TR`	Stator change with rotating anode	Stator change attempted while anode is rotating	error
`10UI`	Unknown message from CU	Unrecognized message received from control unit	warning
`10UM`	Unexpected message from CU	Valid but unexpected message from control unit	warning
`10WT`	CPU watchdog timeout	CPU watchdog timer expires	warning
`10XX`	Impossible error	Error condition marked as impossible occurred	warning
`13CA`	CAN case-selector error	Case selector communication failure on CAN bus	error
`13CB`	CAN invalid CAN ID	Invalid CAN identifier received	warning
`13CC`	CAN frame repetition overflow	Frame repetition buffer overflow on CAN	error
`13CD`	CAN no remote transmission request from CU	Expected RTR from control unit not received	error
`13CE`	CAN receive signal conflict	Signal conflict detected during CAN reception	error
`13CF`	CAN transmit timeout	CAN transmit operation times out	error
`13CI`	CAN impossible error	Impossible error condition on CAN	warning
`13CP`	CAN CPU process execution error	CPU process execution error detected	warning
`13CR`	CAN CPU message request failed	Message request failed to execute	warning
`13CS`	CAN CPU message send error	Error sending message from CPU	warning
`13CY`	CAN receive abort	CAN reception aborted	error
`13CZ`	CAN unexpected frame	Unexpected frame received on CAN	warning
`13DA`	CAN chip access error	Error accessing CAN chip registers	error
`13DB`	CAN chip reset error	CAN chip reset failed	error
`13DC`	CAN chip reset release error	Error releasing CAN chip from reset	error
`13DE`	CAN illegal interrupt pointer	Invalid interrupt pointer detected	warning
`13DF`	CAN chip state undefined	CAN chip in undefined state	error
`13DG`	CAN chip error active after passive	Chip transitioned from error passive to error active	warning
`13DH`	CAN chip state error passive	CAN chip in error passive state	warning
`13DI`	CAN chip state bus off	CAN chip bus-off (offline)	warning
`13DJ`	CAN chip DPRAM error	Dual-port RAM error in CAN chip	error
`13DK`	CAN chip DPRAM error and error passive	DPRAM error concurrent with error passive state	warning
`13DL`	CAN unexpected interrupt	Unexpected interrupt from CAN chip	warning
`13LA`	CAN voltage CV received unknown	Voltage message from unknown source received	warning
`13LB`	CAN IO wrong bidirectional lines output value	IO bidirectional line has incorrect output value	warning
`13LC`	CAN TR TOMO value out of range	Tomography value for K5-K12 outside valid range	warning
`13LD`	CAN TR RGDV value out of range	RGDV (readback gain/drive value) outside range	warning
`13LE`	CAN TR RGDV readback failed	Failed to read RGDV feedback	error
`13LF`	CAN TR wrong sync contact value	Sync contact has incorrect value	warning
`13LG`	CAN TR wrong handswitch enable value	Hand switch enable signal incorrect	warning
`13LH`	CAN PR S1/S2 switch active during startup	S1 or S2 safety switch active when system starts	error
`14CA`	CAN case-selector error (secondary)	Case selector communication failure on secondary CAN	error
`14CB`	CAN invalid CAN ID (secondary)	Invalid CAN identifier on secondary channel	warning
`14CC`	CAN frame repetition overflow (secondary)	Secondary CAN frame repetition overflow	error
`14CD`	CAN no RTR from CU (secondary)	RTR not received from CU on secondary	error
`14CE`	CAN receive signal conflict (secondary)	Signal conflict on secondary CAN reception	error
`14CF`	CAN transmit timeout (secondary)	Secondary CAN transmit times out	error
`14CI`	CAN impossible error (secondary)	Impossible error on secondary channel	warning
`14CP`	CAN CPU process execution error (secondary)	CPU process error on secondary	warning
`14CR`	CAN CPU message request failed (secondary)	Secondary CPU message request failed	warning
`14CS`	CAN CPU message send error (secondary)	Secondary CPU message send failed	warning
`14CY`	CAN receive abort (secondary)	Secondary CAN reception aborted	error
`14CZ`	CAN unexpected frame (secondary)	Unexpected frame on secondary CAN	warning
`14DA`	CAN chip access error (secondary)	Secondary CAN chip register access error	error
`14DB`	CAN chip reset error (secondary)	Secondary CAN chip reset failed	error
`14DC`	CAN chip reset release error (secondary)	Secondary CAN chip reset release failed	error
`14DE`	CAN illegal interrupt pointer (secondary)	Secondary illegal interrupt pointer	warning
`14DF`	CAN chip state undefined (secondary)	Secondary CAN chip in undefined state	error
`14DG`	CAN chip error active after passive (secondary)	Secondary chip error passive to active transition	warning
`14DH`	CAN chip state error passive (secondary)	Secondary CAN chip error passive	warning
`14DI`	CAN chip state bus off (secondary)	Secondary CAN chip bus-off	warning
`14DJ`	CAN chip DPRAM error (secondary)	Secondary CAN chip DPRAM error	error
`14DK`	CAN chip DPRAM error and error passive (secondary)	Secondary DPRAM error with error passive	warning
`14DL`	CAN unexpected interrupt (secondary)	Secondary unexpected interrupt	warning
`14LA`	CAN voltage CV received unknown (secondary)	Secondary unknown voltage message	warning
`14LB`	CAN IO wrong bidirectional lines (secondary)	Secondary IO bidirectional line error	warning
`14LC`	CAN TR TOMO value out of range (secondary)	Secondary tomography value out of range	warning
`14LD`	CAN TR RGDV value out of range (secondary)	Secondary RGDV out of range	warning
`14LE`	CAN TR RGDV readback failed (secondary)	Secondary RGDV readback failed	error
`14LF`	CAN TR wrong sync contact value (secondary)	Secondary sync contact wrong	warning
`14LG`	CAN TR wrong handswitch enable (secondary)	Secondary hand switch enable wrong	warning
`14LH`	CAN PR S1/S2 switch active during startup (secondary)	Secondary S1/S2 active at startup	error
`15CA`	CAN case-selector error (tertiary)	Tertiary case selector communication failure	error
`15CB`	CAN invalid CAN ID (tertiary)	Tertiary invalid CAN ID	warning
`15CC`	CAN frame repetition overflow (tertiary)	Tertiary frame overflow	error
`15CD`	CAN no RTR from CU (tertiary)	Tertiary RTR not received	error
`15CE`	CAN receive signal conflict (tertiary)	Tertiary signal conflict	error
`15CF`	CAN transmit timeout (tertiary)	Tertiary transmit timeout	error
`15CI`	CAN impossible error (tertiary)	Tertiary impossible error	warning
`15CP`	CAN CPU process error (tertiary)	Tertiary CPU process error	warning
`15CR`	CAN CPU message request failed (tertiary)	Tertiary message request failed	warning
`15CS`	CAN CPU message send error (tertiary)	Tertiary message send error	warning
`15CY`	CAN receive abort (tertiary)	Tertiary reception aborted	error
`15CZ`	CAN unexpected frame (tertiary)	Tertiary unexpected frame	warning
`15DA`	CAN chip access error (tertiary)	Tertiary chip access error	error
`15DB`	CAN chip reset error (tertiary)	Tertiary chip reset failed	error
`15DC`	CAN chip reset release error (tertiary)	Tertiary reset release failed	error
`15DE`	CAN illegal interrupt pointer (tertiary)	Tertiary illegal interrupt	warning
`15DF`	CAN chip state undefined (tertiary)	Tertiary chip state undefined	error
`15DG`	CAN chip error active after passive (tertiary)	Tertiary error passive to active	warning
`15DH`	CAN chip state error passive (tertiary)	Tertiary chip error passive	warning
`15DI`	CAN chip state bus off (tertiary)	Tertiary chip bus-off	warning
`15DJ`	CAN chip DPRAM error (tertiary)	Tertiary DPRAM error	error
`15DK`	CAN chip DPRAM error and error passive (tertiary)	Tertiary DPRAM error with passive	warning
`15DL`	CAN unexpected interrupt (tertiary)	Tertiary unexpected interrupt	warning
`15LA`	CAN voltage CV received unknown (tertiary)	Tertiary unknown voltage message	warning
`15LB`	CAN IO wrong bidirectional lines (tertiary)	Tertiary IO bidirectional error	warning
`15LC`	CAN TR TOMO value out of range (tertiary)	Tertiary tomography value out of range	warning
`15LD`	CAN TR RGDV value out of range (tertiary)	Tertiary RGDV out of range	warning
`15LE`	CAN TR RGDV readback failed (tertiary)	Tertiary RGDV readback failed	error
`15LF`	CAN TR wrong sync contact value (tertiary)	Tertiary sync contact wrong	warning
`15LG`	CAN TR wrong handswitch enable (tertiary)	Tertiary hand switch enable wrong	warning
`15LH`	CAN PR S1/S2 switch active during startup (tertiary)	Tertiary S1/S2 active at startup	error
`16CA`	CAN case-selector error (quaternary)	Quaternary case selector communication failure	error
`16CB`	CAN invalid CAN ID (quaternary)	Quaternary invalid CAN ID	warning
`16CC`	CAN frame repetition overflow (quaternary)	Quaternary frame overflow	error
`16CD`	CAN no RTR from CU (quaternary)	Quaternary RTR not received	error
`16CE`	CAN receive signal conflict (quaternary)	Quaternary signal conflict	error
`16CF`	CAN transmit timeout (quaternary)	Quaternary transmit timeout	error
`16CI`	CAN impossible error (quaternary)	Quaternary impossible error	warning
`16CP`	CAN CPU process error (quaternary)	Quaternary CPU process error	warning
`16CR`	CAN CPU message request failed (quaternary)	Quaternary message request failed	warning
`16CS`	CAN CPU message send error (quaternary)	Quaternary message send error	warning
`16CY`	CAN receive abort (quaternary)	Quaternary reception aborted	error
`16CZ`	CAN unexpected frame (quaternary)	Quaternary unexpected frame	warning
`16DA`	CAN chip access error (quaternary)	Quaternary chip access error	error
`16DB`	CAN chip reset error (quaternary)	Quaternary chip reset failed	error
`16DC`	CAN chip reset release error (quaternary)	Quaternary reset release failed	error
`16DE`	CAN illegal interrupt pointer (quaternary)	Quaternary illegal interrupt	warning
`16DF`	CAN chip state undefined (quaternary)	Quaternary chip state undefined	error
`16DG`	CAN chip error active after passive (quaternary)	Quaternary error passive to active	warning
`16DH`	CAN chip state error passive (quaternary)	Quaternary chip error passive	warning
`16DI`	CAN chip state bus off (quaternary)	Quaternary chip bus-off	warning
`16DJ`	CAN chip DPRAM error (quaternary)	Quaternary DPRAM error	error
`16DK`	CAN chip DPRAM error and error passive (quaternary)	Quaternary DPRAM error with passive	warning
`16DL`	CAN unexpected interrupt (quaternary)	Quaternary unexpected interrupt	warning
`16LA`	CAN voltage CV received unknown (quaternary)	Quaternary unknown voltage message	warning
`16LB`	CAN IO wrong bidirectional lines (quaternary)	Quaternary IO bidirectional error	warning
`16LC`	CAN TR TOMO value out of range (quaternary)	Quaternary tomography value out of range	warning
`16LD`	CAN TR RGDV value out of range (quaternary)	Quaternary RGDV out of range	warning
`16LE`	CAN TR RGDV readback failed (quaternary)	Quaternary RGDV readback failed	error
`16LF`	CAN TR wrong sync contact value (quaternary)	Quaternary sync contact wrong	warning
`16LG`	CAN TR wrong handswitch enable (quaternary)	Quaternary hand switch enable wrong	warning
`16LH`	CAN PR S1/S2 switch active during startup (quaternary)	Quaternary S1/S2 active at startup	error

Likely causes and actions for each code are in ServiceForge. Connect ServiceForge to your AI

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ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.