X-ray generators · CM Series family

Del Medical CM: troubleshooting and error codes

The ServiceForge knowledge base holds 21 documented symptoms for the Del Medical CM, with 33 ranked causes, 17 diagnostic checks with test points and expected values, and 77 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Calibration: AEC 3D system setup and calibration radiation

Prepare and calibrate automatic exposure control (AEC) board assemblies for CMP 200 X-ray generators across multiple film/screen combinations and kV ranges

Ranked causes

1. Initial AEC system configuration for multiple film/screen combinations (common)
2. Configure film/screen response compensation across kV breakpoints (common)
3. Establish AEC calibration range within 0-10V ramp limits (common)

First check

Verify generator compatibility with specified AEC chambers

Test point: Compatibility statement in Chapter 1
Expected: Factory configured AEC chambers match installed system

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

Fault in kV or mA output during exposure high voltage

E008 KV/MA FAULT displayed; exposure terminated due to arcing or HT tank failure

Ranked causes

1. Arcing in X-ray tube (common)
2. Arcing of HV cables (occasional)
3. HT tank failure (occasional)

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

Filament current too low

E007 FILAMENT FAULT displayed; filament current detected below 2 amps

Ranked causes

1. Open filament in X-ray tube (common)
2. Poor connections in cathode cable (occasional)
3. Open fuses on filament board (occasional)

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

AEC back-up timer exceeded

E014 AEC BUT ERROR; AEC exposure exceeded allowed backup time

Ranked causes

1. AEC technique settings incorrect (common)
2. Wrong AEC chamber energized (occasional)

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

AEC mAs limit exceeded

E015 AEC BU MAS ERR; AEC exposure exceeded allowed backup mAs

Ranked causes

1. Exposure technique settings incorrect (common)
2. Wrong AEC chamber selected (occasional)

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

Exposure manually terminated

E013 MANUAL TERMIN displayed; operator released exposure switch during active exposure

Ranked causes

1. Operator action during exposure (unknown)
2. Faulty switch contacts or wiring (occasional)

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

Precalibration system checks before AEC calibration radiation

Verify AEC chamber installation, board assembly configuration, and system prerequisites before calibration procedures

Ranked causes

1. Verify AEC chamber is properly installed and compatible with board type (common)
2. Verify film processing and cassette consistency (common)

First check

Verify AEC chamber installation per factory compatibility requirements

Test point: AEC chamber assembly and electrical connections
Expected: Chamber type (ion or solid state) matches generator configuration; secure connections

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

Rotor fails to start

E006 ROTOR FAULT displayed; rotor starter detects stator current fault or rotor not ready

Ranked causes

1. Rotor starter detected stator current fault (occasional)
2. Generator was not ready to start rotor (occasional)

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

Tomography back-up timer exceeded

E016 TOMO BUT ERROR; Tomo exposure exceeded backup time limit

Ranked causes

1. Tomo technique settings incorrect (common)
2. Backup time limit too short (occasional)

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

Anode heat limit exceeded

E019 ANODE HEAT LIMIT; Selected parameters cause tube to exceed programmed heat limit

Ranked causes

1. Insufficient anode cooling or excessive parameters (common)

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

Calibration: AEC board gain adjustment radiation

Configure AEC gain potentiometers (R1-R4 or R11-R14 depending on board assembly) for each of 4 channels (table bucky, wall bucky, spot film, auxiliary)

Ranked causes

1. AEC board requires gain calibration per ion chamber manufacturer specifications (common)

First check

Verify central ray centered relative to image receptor

Test point: Image receptor center
Expected: Central ray aligned with image receptor center

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

Calibration: AEC high voltage bias supply output adjustment high voltage

Adjust R79 potentiometer to set +300/+500 VDC and +45 VDC outputs for ion chambers requiring separate high voltage bias supply

Ranked causes

1. High voltage bias supply output requires calibration per ion chamber manufacturer specifications (occasional)

First check

Verify board version includes high voltage bias supply

Test point: AEC board assembly inspection
Expected: Board fitted with R79 and high voltage output connectors

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

Calibration: AEC short exposure time compensation adjustment radiation

Configure short exposure time compensation potentiometers (R11-R14 or equivalent) for each of 4 AEC channels

Ranked causes

1. AEC board requires short exposure time compensation adjustment (common)

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

Calibration: Film density verification at baseline kV radiation

Establish baseline film density at knee kV (75 kV) and verify calibration range accommodates all film/screen combinations

Ranked causes

1. Ensure film density remains constant across multiple film/screen speeds (common)

First check

Measure film optical density at baseline 75 kV with medium speed film/screen

Test point: Processed radiographic film
Expected: Nominal optical density per setup worksheet (e.g., 1.1-1.4)

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

Erratic console faults in electrically noisy environments

Random fault messages, RAM data errors, intermittent loss of communication displayed on console

Ranked causes

1. Inadequate console grounding in electrically noisy environment (common)

First check

Verify console ground connection exists and is adequate

Test point: Ground stud on rear of console, main input fuse block
Expected: Ground wire #14 AWG (2.3 mm2) or larger connected

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

Generator in prep state too long

E018 PREP TIMEOUT; Generator has been in prep state exceeding time limit

Ranked causes

1. Extended prep time (unknown)

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

Generator not ready to make exposure

System displays E009 PS NOT READY message, preventing exposure

Ranked causes

1. Power supply not ready (common)

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

mA during exposure too high

E011 HIGH MA FAULT displayed; CPU detected mA exceeding allowed tolerance

Ranked causes

1. mA out of tolerance (common)

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

mA during exposure too low

E012 LOW MA FAULT displayed; CPU detected mA below allowed tolerance

Ranked causes

1. mA out of tolerance (common)

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

Selected mA not calibrated

E017 NOT CALIBRATED; Selected mA not calibrated for selected kV

Ranked causes

1. Missing calibration for selected mA/kV combination (common)

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

X-ray tube thermal switch opened caution

E020 THERMAL INT #1; X-ray tube #1 exceeded temperature limit and thermal switch opened

Ranked causes

1. X-ray tube #1 overheated (common)

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

Error codes

Code	Meaning	Trigger	Severity
`AEC DEVICE ERROR`	AEC system fault with no feedback signal or ramp voltage failure	Ramp voltage fails to reach 4% of expected value when exposure time reaches 20% of selected backup time, or improper technique selected, or AEC fault occurs causing no feedback signal	error
`APR MEMORY ERROR`	APR data has been corrupted	Startup or during operation	error
`E001`	Generator CPU EPROM checksum error	At startup	critical
`E003`	Generator CPU NVRAM error	At startup	error
`E004`	Generator CPU Real Time Clock error	At startup	warning
`E005`	Main Contactor Error	During startup or power-on	critical
`E006`	Rotor Fault	During rotor startup	error
`E007`	Filament Fault	During operation or tube check	error
`E008`	kV / mA Fault	During exposure	critical
`E009`	Power Supply Not Ready	When attempting exposure	error
`E011`	mA During Exposure Too High	During exposure	error
`E012`	mA During Exposure Too Low	During exposure	error
`E013`	Manually Terminated Exposure	During exposure	info
`E014`	AEC Back-up Timer - Exposure Terminated	During AEC exposure	error
`E015`	AEC mAs Exceeded - Exposure Terminated	During AEC exposure	error
`E016`	Tomo Back-up Timer - Exposure Terminated	During tomography exposure	error
`E017`	Uncalibrated Exposure Parameter	When selecting exposure parameters	error
`E018`	Preparation Timeout	After extended prep time	warning
`E019`	Anode Heat Limit	When anode temperature limit exceeded	warning
`E020`	Thermal Switch Interlock #1 Error	When X-ray tube #1 overheats	error
`E022`	Door interlock open	Door is open	warning
`E028`	Prep input active during initialization	Prep switch or input short circuit during power on	warning
`E029`	X-ray input active during initialization	X-ray switch or input short circuit during power on	warning
`E032`	Console communication error	Generator detects error in communication to console	error
`E033`	Lithium battery voltage low	Generator detects lithium battery voltage is low	warning
`E034`	+12VDC rail out of tolerance	+12VDC rail is out of tolerance	error
`E035`	-12VDC rail out of tolerance	-12VDC rail is out of tolerance	error
`E038`	Calibration data corrupt	Generator detects corrupt calibration data	error
`E039`	AEC data corrupt	Generator detects corrupt AEC data	error
`E041`	Receptor data corrupt	Generator detects corrupt receptor data	error
`E042`	Tube data corrupt	Generator detects corrupt tube data	error
`E043`	High voltage detected in non X-ray state	kV detected when X-ray switch is not active	critical
`E044`	Invalid communication message	Received communication message not valid	info
`E045`	Communication message not supported	Received message is valid but not supported by system	info
`E046`	Mode inhibited	Received message valid but not allowed in present state	warning
`E049`	Function not enabled	Requested function not programmed to be enabled	warning
`E050`	Generator limit data corrupt	Generator detects corrupt generator limit data	error
`E051`	AEC feedback error	No or insufficient feedback signal detected from AEC device	error
`E052`	High small focus filament current in standby	Small focus filament current greater than limits in standby mode	warning
`E053`	High large focus filament current in standby	Large focus filament current greater than limits in standby mode	warning
`E054`	AEC reference out of range	AEC reference reached maximum or minimum limit	warning
`E055`	No AEC fields selected	AEC enabled but no fields are selected	warning
`E056`	Receptor has no X-ray tube programmed	All Receptors have no X-ray tube programmed	warning
`E057`	AEC stop signal in wrong state	AEC stop signal (P.T. stop) active low indicating exposure finished during prep	error
`E058`	Console backup timer exceeded	Console detects exposure exceeded backup time and terminated exposure	critical
`E060`	High kV error	kV exceeds high kV tolerance level	error
`E061`	Low kV error	kV exceeds low kV tolerance level	error
`E063`	Factory defaults mode set	JW2 on generator control board set to LOAD DEFAULTS position	info
`E065`	Tomo device error	Tomo start signal not received within 30 seconds of X-ray switch press	error
`E067`	Power supply duty cycle limit exceeded	Power supply duty cycle limit exceeded	critical
`E071`	DAP dose overflow	Accumulated DAP value exceeds display limit	info
`E072`	DAP device error	DAP device is not functional	error
`E073`	DAP configuration data corrupt	DAP configuration data is corrupted	error
`E074`	Inverter 1 power circuit failure	Power circuit failure in inverter 1	critical
`E075`	Inverter 2 power circuit failure	Power circuit failure in inverter 2	critical
`E077`	HT primary overcurrent detected	Resonant circuit detects HT primary overcurrent	critical
`E078`	Bucky 1 interlock error	Bucky 1 is not ready	warning
`E079`	Bucky 2 interlock error	Bucky 2 is not ready	warning
`E080`	Interlock 1 open	Interlock 1 is open	warning
`E081`	Interlock 2 open	Interlock 2 is open	warning
`E082`	kV overvoltage	Output kV exceeded maximum allowed kV limit	critical
`E083`	Anode current exceeded maximum limit	Anode current exceeded maximum allowed limit	critical
`E084`	Cathode current exceeded maximum limit	Cathode current exceeded maximum allowed limit	critical
`E085`	Insufficient current in stator main winding	Insufficient current sensed in rotor stator main winding	error
`E086`	Insufficient current in stator shift winding	Insufficient current sensed in rotor stator shift winding	error
`E100`	Maximum mA exceeded during calibration	Maximum mA has been exceeded during auto calibration	error
`E101`	Calibration data table exceeded	Auto calibration exceeded data table length due to excessive exposures	error
`E102`	Maximum filament current exceeded	Maximum filament current for selected focus has been reached	error
`E103`	Calibration manually terminated	Operator released exposure button during auto calibration	info
`E104`	No mA feedback during calibration	No mA feedback detected during auto calibration	critical
`E105`	Minimum mA not calibrated	Minimum generator mA was exceeded at start of calibration	error
`E240`	Printer out of labels	Printer is out of labels	info
`E241`	Labels jammed in printer	Labels are jammed	warning
`E242`	Printer self-diagnostics detected problem	Printer self-diagnostics have reported a problem	warning
`E243`	Printer communication error	Printer has reported a communication error	warning
`E244`	Paper platen not positioned properly	The paper platen is not positioned properly	warning
`E245`	Printer is off-line	Printer is off-line	info

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

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

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