Monitor defibrillators · LIFEPAK family

Physio-Control LIFEPAK 35: troubleshooting and error codes

The ServiceForge knowledge base holds 41 documented symptoms for the Physio-Control LIFEPAK 35, with 76 ranked causes, 58 diagnostic checks with test points and expected values, and 313 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

No power when turned on

Device does not power up; no indication of operation

Ranked causes

1. Low battery voltage (common)
2. Battery connector pin loose, covered with foreign substance, or damaged (common)
3. Defective battery (occasional)
4. Defective power cord (occasional)
5. Power adapter not properly connected (occasional)
6. Defective power adapter (occasional)

First check

Verify battery charge level

Test point: Battery voltage or charge indicator
Expected: Battery fully charged

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

NIBP (blood pressure) function malfunction patient safety

Non-invasive blood pressure monitoring not measuring correctly

Ranked causes

1. NIBP calibration error (common)
2. NIBP hose or connector leak (common)
3. NIBP module cable connection loose (common)
4. NIBP pump motor failure (occasional)
5. NIBP module electronics failure (occasional)

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

Battery charging LED not illuminated

Battery charging indicator LED inactive; battery not charging or charging circuit issue

Ranked causes

1. Device not properly connected to AC power source (common)
2. Battery not properly inserted in battery well (common)
3. No batteries installed (common)
4. Defective battery (occasional)

First check

Verify AC adapter connection

Test point: Power adapter connection to device inlet
Expected: Securely connected to device

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

Audio system malfunction caution

Speaker or audio output not functioning or output distorted

Ranked causes

1. System flex cable connection loose (common)
2. Speaker cable connection loose (common)
3. Speaker assembly failure (occasional)

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

Auxiliary power LED not illuminated high voltage

AC power indicator LED dark; device not receiving AC power

Ranked causes

1. Device not properly connected to AC power source (common)
2. Defective power cord (occasional)
3. Defective power adapter (occasional)

First check

Verify AC power connection

Test point: Device power inlet and power cord connection to wall outlet
Expected: Securely connected to active AC outlet

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

Capnography (CO2) monitoring malfunction patient safety

End-tidal carbon dioxide measurement not functioning

Ranked causes

1. CO2 sensor calibration drift (common)
2. CO2 module cable or hose issue (common)
3. CO2 module hardware failure (occasional)

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

Pulse oximetry (SpO2) monitoring malfunction patient safety

Oxygen saturation measurement not functioning or reading inaccurately

Ranked causes

1. SpO2 module cable connection loose (common)
2. SpO2 probe connector malfunction (common)
3. SpO2 module electronics failure (occasional)

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

System overheating or fan malfunction caution

System temperature elevated or cooling fan not operating

Ranked causes

1. System flex cable connection loose (common)
2. Fan cable connection loose (common)
3. Fan motor failure (occasional)

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

Battery will not charge patient safety

Lithium-ion battery fails to charge when connected to AC power or charger.

Ranked causes

1. Battery temperature out of range (common)
2. Battery damaged or leaking (occasional)

First check

Inspect battery for damage or leakage

Test point: Battery exterior
Expected: No cracks, punctures, or fluid leakage visible

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

Charged battery loses power during patient care patient safety

Device powered by battery unexpectedly loses power or shuts down during use

Ranked causes

1. Improperly maintained battery (occasional)
2. Incompatible battery or charger used (rare)

First check

Verify battery fully charged before use

Test point: Battery charge indicator on device
Expected: Full charge indicated

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

Energy storage capacitor issue high voltage

Device capacitor charge or discharge malfunctioning affecting defibrillator energy storage

Ranked causes

1. Capacitor connection loose or corroded (common)
2. Energy storage capacitor hardware failure (occasional)

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

High voltage exposure during PCB servicing high voltage

Lethal voltages may be present in the device even without operator action. Energy storage capacitors retain dangerous charge after power-off.

Ranked causes

1. Device not powered off or still connected to power (common)
2. Energy storage capacitor not discharged (common)

First check

Verify device is powered off

Test point: Power switch and indicator lights
Expected: All power off, no LEDs illuminated

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

Keypad malfunction patient safety

Keypad does not respond to user input or has intermittent response

Ranked causes

1. Keypad connection loose or corroded (common)
2. Keypad hardware failure (occasional)

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

Patient parameter monitoring malfunction patient safety

Patient vital signs monitoring not functioning correctly

Ranked causes

1. Parameter module cable connection loose (common)
2. Patient parameter PCBA failure (occasional)

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

Possible power loss during patient care patient safety

Device may lose power without warning during operation, potentially delaying therapy.

Ranked causes

1. Improperly maintained battery (common)
2. Use of unauthorized third-party batteries or chargers (occasional)

First check

Verify battery type and origin

Test point: Battery
Expected: LIFEPAK Flex Lithium-ion battery, not from other manufacturers

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

Service codes detected and reported

Device operating software detects improper operation or malfunction; four-digit hexadecimal service code written to prognostic log; Service LED indicator illuminates

Ranked causes

1. Internal program or process execution failure (unknown)
2. Transient electromagnetic interference (EMI) or electrostatic discharge (ESD) (occasional)

First check

Display current active service codes

Test point: Service log in PSST
Expected: View active four-digit hexadecimal codes

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

Static discharge damage to electronic components caution

SSDs (static-sensitive devices) such as MOS ICs, FETs, optical isolators, and film resistors can be damaged or destroyed by static electricity discharge, often imperceptibly

Ranked causes

1. Operator static charge buildup from synthetic clothing (common)
2. PCBAs not handled with proper antistatic precautions (common)

First check

Verify wrist strap is worn and properly connected

Test point: Wrist strap connection to mat and ground
Expected: Snug contact against bare skin with conductive connection established

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

Static discharge damage to PCBs during handling caution

Semiconductor devices such as MOS ICs, FETs, optical isolators and film resistors may be damaged or destroyed by static electricity discharge, often imperceptible to the person causing it.

Ranked causes

1. Improper PCB handling without static protection (common)
2. Improper PCB storage and transport (common)

First check

Verify static-dissipative mat is in use and properly grounded

Test point: Mat ground connection
Expected: Connected to earth ground

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

Therapy cable does not disconnect smoothly high voltage

Release button does not function or cable does not slide out easily

Ranked causes

1. Release button stuck or not fully pressed (common)
2. Connector stuck due to corrosion or contamination (occasional)

First check

Press release button on therapy cable connector

Test point: Release button on connector
Expected: Button fully depresses and resets

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

Therapy cable does not lock in place high voltage

Connector fails to fully seat or does not produce audible click when inserted into receptacle

Ranked causes

1. Misaligned connector or receptacle (common)
2. Damaged connector or receptacle (occasional)

First check

Verify connector and receptacle alignment

Test point: Red therapy cable connector, red receptacle
Expected: Red connector aligned with red receptacle, gray release button facing up

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

Therapy cable or connector damage from disconnection without release button caution

Therapy cable connector damaged, loose, or broken from improper disconnection attempt without pressing release button

Ranked causes

1. Therapy cable disconnected without pressing release button (occasional)
2. Connector left exposed when not in use (occasional)

First check

Inspect therapy cable connector for physical damage

Test point: Therapy cable connector pins and housing
Expected: No visible cracks, bent pins, or deformation

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

Calibration: CO2 sensor

Annual CO2 calibration followed by performance inspection to maintain measurement accuracy

Ranked causes

1. Annual calibration interval reached (common)

First check

Schedule and perform CO2 calibration

Test point: CO2 sensor
Expected: Calibration completed per TCP procedures

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

Calibration: Maintenance prompt interval

Set or reset the MAINTENANCE DUE message interval to 3, 6, or 12 months; reset after scheduled maintenance via PSST

Ranked causes

1. Maintenance interval needs configuration or reset (common)

First check

MAINTENANCE DUE message appears continuously for 10 minutes after power-on when interval reached

Test point: Device display
Expected: Message appears or does not appear per configured interval

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

Capacitor discharge verification high voltage

Neon lamp test of energy storage capacitor charge status before service work

Ranked causes

1. Capacitor remains charged after case disassembly (common)

First check

Observe neon lamp in discharge tool while probes contact discharge points

Test point: Capacitor discharge points as shown in diagram
Expected: Neon lamp lights if charge of approximately 90 volts is present

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

Component damage from static electricity caution

PCBAs with static-sensitive devices (SSDs) can be damaged or destroyed by electrostatic discharge during service, maintenance, or repair procedures. Damage may be imperceptible at the time of discharge.

Ranked causes

1. Operator static charge buildup from synthetic clothing (common)

First check

Identify static-sensitive devices (SSDs) by warning symbol before handling

Test point: PCBAs
Expected: SSD warning symbol present

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

Defib energy calibration error patient safety

Defibrillator output energy does not match programmed or expected value

Ranked causes

1. Energy calibration offset needs adjustment (common)

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

High voltage shock hazard during service high voltage

Lethal voltages may be present in the device even without operator action, posing electrocution risk during maintenance or repair

Ranked causes

1. Energy storage capacitor charged (common)

First check

Verify device is powered off

Test point: Power switch
Expected: OFF position

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

Incompatible therapy cable installed patient safety

Therapy cable from LIFEPAK 15 or 20e device connected to LIFEPAK 35

Ranked causes

1. Wrong therapy cable model used (occasional)

First check

Verify therapy cable catalog number

Test point: Therapy cable label or packaging
Expected: Catalog number 11113-000008

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

Interface PCBA malfunction patient safety

Main interface printed circuit board assembly not functioning properly

Ranked causes

1. Interface PCBA hardware failure (occasional)

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

MAINTENANCE DUE message appears

Device displays MAINTENANCE DUE message on screen

Ranked causes

1. Maintenance prompt set to display every 3, 6, or 12 months (common)

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

Physical device inspection after repair

Visual and physical verification that device is intact and safe for return to service

Ranked causes

1. Repair work may have introduced damage or improper assembly (occasional)

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

Post-repair performance inspection setup

Restore setup configuration and execute performance tests after device repair

Ranked causes

1. Setup options lost after PCBA replacement (common)

First check

Verify device setup configuration restored

Test point: Device setup mode or LIFENET system
Expected: Setup options profile downloaded and active on device

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

Power LED illuminated but screen blank and device does not operate

LED indicates power present but display inactive and no function

Ranked causes

1. Device boot up has failed (common)

First check

Perform power reset

Test point: POWER button and LED indicator
Expected: LED turns off after ~5 seconds hold; device restarts and displays normally

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

Readiness indicator beacon inoperative or damaged

Readiness indicator beacon requires replacement, necessitating keypad replacement as well

Ranked causes

1. Beacon failure or damage (unknown)

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

Service LED indicator illuminated caution

Service LED illuminates indicating Service codes are present and require investigation before device returns to active use

Ranked causes

1. Active service codes present (common)

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

Static discharge damage to components caution

Semiconductor devices such as MOS ICs, FETs, optical isolators, and film resistors damaged or destroyed by static electricity discharge during maintenance or repair

Ranked causes

1. Static charge buildup from synthetic clothing and touching objects (common)

First check

Identify static-sensitive devices on PCBAs

Test point: PCBA components
Expected: SSD warning symbol visible on device

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

Static discharge damage to SSDs and PCBAs caution

Static electricity can damage or destroy static-sensitive semiconductor devices (MOS ICs, FETs, optical isolators, film resistors) on circuit board assemblies

Ranked causes

1. Static charge buildup from synthetic clothing or improper handling (common)

First check

Identify SSDs on PCBA

Test point: Component markings
Expected: SSD warning symbol present on static-sensitive devices

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

Therapy cable connector incompatibility patient safety

Therapy cable from LIFEPAK 15 or 20e device does not connect to LIFEPAK 35 or is damaged by incompatible connection attempt

Ranked causes

1. Wrong therapy cable model used (occasional)

First check

Verify therapy cable part number

Test point: Therapy cable label or documentation
Expected: Catalog number 11113-000008 for LIFEPAK 35

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

Therapy cable connector not locking to receptacle patient safety

Therapy cable connector does not lock into receptacle; no click sound heard; connector may fall out or be loose

Ranked causes

1. Connector not properly aligned with receptacle (common)

First check

Visually inspect connector and receptacle alignment

Test point: Red therapy cable connector and red receptacle
Expected: Red connector aligned with red receptacle, gray release button facing up

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

Wire damage or pinching during reassembly caution

Wires may be pinched and damaged during device reassembly, causing electrical faults or short circuits

Ranked causes

1. Improper wire routing during assembly (occasional)

First check

Inspect all wires for damage or pinching

Test point: Wire routing path
Expected: No visible damage, wires not trapped or compressed

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

Wire pinching and damage during reassembly caution

Wires may be pinched and damaged during reassembly, causing equipment malfunction or electrical hazards.

Ranked causes

1. Failure to follow assembly instructions carefully (common)

First check

Visually inspect wires during reassembly at each step

Test point: All wire routing paths and connector areas
Expected: No wires pinched, routed clearly away from moving parts and sharp edges

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

Error codes

Code	Meaning	Trigger	Severity
`18`	System PCBA or accessory issue	Detected system PCBA or accessory failure condition	error
`19`	Shift check failures and accessory problems	Shift check test failure detected	error
`20`	Speed dial issue	Speed dial control malfunction detected	warning
`21`	Beacon issue	Beacon malfunction	unknown
`22`	Invasive pressure monitoring issue	Invasive pressure monitoring system malfunction	warning
`23`	VSM cable authentication logic issue	VSM cable authentication check fails	warning
`24`	Possible coin cell battery power loss	Coin cell battery voltage low or depleted	warning
`25`	Possible issue with therapy connector or cabling	Therapy connector or cable malfunction detected	warning
`E010`	IMX6 patient application integrity check failed	System integrity verification check on patient application during startup or operation	critical
`E014`	IMX6 runtest application integrity check failed	System integrity verification check on runtest application during startup	critical
`E021`	IMX6 therapy-related software failure	Failure in software module responsible for therapy delivery functions	critical
`E022`	IMX6 non-therapy software failure	Failure in non-critical software module not related to therapy delivery	warning
`E023`	IMX6 NAND flash integrity check failed	Memory integrity verification check on NAND flash storage during startup or operation	warning
`E024`	System software verification error	General system software verification check failure during startup	critical
`E025`	IMX6 application software integrity check failed	Integrity verification of application software layer during startup or operation	critical
`E026`	IMX6 watchdog reset occurred	Watchdog timer expired; processor did not respond to watchdog within timeout period	warning
`E028`	IMX6 3.3V USB OTG rail voltage out of specification	Voltage monitoring during self-test detects improper USB OTG rail voltage	warning
`E029`	IMX6 5.0V rail voltage out of specification	Software monitoring detects voltage deviation during power-up or operation	warning
`E02A`	IMX6 3.3V to PMOD rail voltage out of specification	Voltage monitoring detects improper 3.3V PMOD rail voltage	warning
`E02B`	IMX6 3.3V cable voltage out of specification	Voltage monitoring detects improper 3.3V on cable connection	error
`E02C`	IMX6 3.3V rail voltage out of specification	Self-test detects 3.3V rail voltage outside acceptable limits	error
`E02D`	IMX6 3.9V rail voltage out of specification	Software monitoring detects voltage deviation during power-up or operation	error
`E030`	Setup options integrity check failure	Data integrity check fails during startup or self-test	error
`E031`	Manufacturing configuration integrity check failure	MFG configuration data corruption detected during startup	error
`E032`	Touchscreen failure detected	Self-test fails to communicate with touchscreen or detect response	warning
`E034`	Active code table access failure	System cannot read active code table from memory	error
`E036`	IMX6 PAD connector attached but not properly recognized	Connector detection mismatch during hardware initialization	error
`E037`	Printer power overcurrent detected	Current draw from printer exceeds safe limit	warning
`E038`	Interface USB bottom port overcurrent	Overcurrent detected on USB bottom port	warning
`E039`	Interface USB top port overcurrent detected	Current draw from USB top port exceeds safe threshold during device connection	warning
`E03A`	PPB module overvoltage to USB bottom port	Overvoltage condition detected from PPB module to USB bottom port	warning
`E03B`	PPB module overvoltage to USB top port	Voltage on USB top port exceeds safe threshold during PPB module operation	warning
`E03C`	USB port 5.0V power good signal failure	5.0V supply monitoring detects power supply deviation on USB port	warning
`E03D`	NIBP 6.0V supply voltage out of specification	Software monitoring detects voltage deviation during NIBP module operation	warning
`E03E`	Capnography 5.0V supply voltage out of specification	Software monitoring detects voltage deviation during capnography module operation	warning
`E040–E07F`	Paddles processor error on System PCBA	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E040-E07F`	Paddles processor error	Failure in paddles processor subsystem	critical
`E050`	Paddles self-test failure	Defibrillation paddles self-test executed at startup or on demand fails	error
`E055`	Paddles microcontroller software integrity check failure	Paddle firmware checksum verification fails	error
`E057`	Paddles eye-close test failure	Paddle eye sensor fails to respond to open/close cycle during test	warning
`E058`	Paddles communications timeout	Main processor fails to receive response from paddle microcontroller within timeout period	error
`E059`	Paddles microcontroller state mismatch	Paddle state machine detects inconsistent or invalid state during operation	error
`E060`	Paddles watchdog test failure	Watchdog timer fails during paddles self-test	error
`E061`	Paddles stack test failure	Paddle microcontroller stack integrity test fails during self-test	error
`E062`	Paddles RAM test failure	Paddle microcontroller RAM test fails during self-test sequence	error
`E063`	Paddles flash CRC test failure	Flash memory CRC checksum verification in paddles fails	error
`E064`	Paddles power monitor failure	Paddle power supply monitoring detects voltage out of specification during self-test	error
`E065`	Paddles message CRC failure	Message checksum verification between main processor and paddles fails	error
`E066`	Paddles message ID error	Paddle receives message with unrecognized or invalid message ID	error
`E067`	Paddles message sequencing failure	Paddle messages received out of sequence during communication	error
`E068`	Paddles impedance not calibrated	Paddle impedance measurement falls outside acceptable calibrated range	error
`E069`	Paddles impedance calibration CRC error	Detected during self-test	error
`E06A`	Paddles ADC timeout	ADC communication timeout during paddle diagnostics	error
`E06C`	Paddles over voltage reset	Over-voltage condition detected on paddle circuit	error
`E06D`	Paddles ECG self test failed	ECG self-test failure during paddle diagnostics	error
`E06E`	Paddles Z1 self test failed	Impedance Z1 self-test failure	error
`E06F`	Paddles Z2 self test failed	Impedance Z2 self-test failure	error
`E070`	Paddles M1 self test failed	M1 measurement self-test failure	error
`E071`	Paddles M2 self test failed	M2 measurement self-test failure	error
`E080–E0FF`	Internal VSM module error on System PCBA	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E080-E0FF`	Internal VSM module error	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection procedure	critical
`E0A1`	VSM microcontroller communication failure	Loss of communication with VSM microcontroller	error
`E0A2`	VSM microcontroller communication CRC error	CRC error in VSM communication data	error
`E0A5`	VSM software integrity check failed	Software checksum or integrity verification failure	error
`E0A7`	VSM microcontroller communication aperiodic	Aperiodic or irregular communication with VSM	error
`E0A8`	VSM 3.3V rail voltage fault	Detected during VSM power supply monitoring	error
`E0A9`	VSM analog 3.3V rail voltage fault	Detected during analog power supply monitoring	error
`E0AA`	VSM 1.2V rail voltage fault	Detected during VSM power supply monitoring	error
`E0AB`	VSM 5.5V rail voltage fault	Detected during VSM power supply monitoring	error
`E0AC`	VSM -5.5V rail voltage fault	Detected during VSM power supply monitoring	error
`E0AD`	VSM 10V rail voltage fault	Detected during VSM power supply monitoring	error
`E0AE`	VSM -10V rail voltage fault	Detected during VSM power supply monitoring	error
`E0AF`	VSM leads channel I fault	Detected during VSM lead monitoring	error
`E0B0`	VSM leads channel II fault	Detected during VSM lead monitoring	error
`E0B1`	VSM leads channel III fault	Detected during VSM lead monitoring	error
`E0B2`	VSM chopper circuit fault	Detected during chopper diagnostics	error
`E0B3`	VSM Wilson central terminal calculation fault	Detected during Wilson terminal calculation	error
`E0B4`	VSM voltage measurement fault	Detected during voltage measurement monitoring	error
`E0B5`	VSM IBP calibration fault	Detected during invasive blood pressure calibration	error
`E0B6`	VSM IBP monitor fault	Detected during IBP signal monitoring	error
`E0B7`	VSM patient temperature calibration fault	Detected during temperature calibration	error
`E0BA`	VSM FPGA fault	Detected during FPGA diagnostics	error
`E0BB`	VSM cable authentication failure	Detected during cable authentication check	error
`E0BD`	VSM SPI ready signal high fault	SPI ready signal stuck high during communication	error
`E0BE`	VSM SPI ready signal low fault	SPI ready signal stuck low during communication	error
`E0BF`	VSM QRS GPIO toggle fault	QRS GPIO toggle failure during operation	error
`E0XX`	Main processor or paddles processor or internal VSM module error	Real time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection procedure	critical
`E0XX`	Main processor error	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection procedure	critical
`E0XX (E000-E03F)`	Main processor error	Failure in main processor or System PCBA detected during operation or self-test	critical
`E0XX (E000–E03F)`	Main processor error on System PCBA	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E0XX (E040-E07F)`	Paddles processor error	Failure in paddles processor detected during operation or self-test	critical
`E0XX (E080-E0FF)`	Internal VSM module error	Failure in internal VSM module detected during operation or self-test	critical
`E100–E11F`	Internal communication devices error (WiFi)	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E100-E11F`	Internal communication devices error	Real-time error during device use or failure during self-test procedures	critical
`E101`	WiFi power-on self test failed	Detected during WiFi module startup	error
`E120`	IMX6 I2C2 BUS ERROR	IMX6 I2C2 bus communication failure	unknown
`E120–E12F`	System PCBA or IMX6 device error affecting access port, touch screen, audio	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E120-E12F`	System PCBA or IMX6 device error (access port, touch screen, audio)	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection procedure	critical
`E122`	Touch screen device failure	Touch screen hardware not detected or responding	unknown
`E123`	TOUCH SCREEN FUNCTION ERROR	Touch screen functionality check failure	unknown
`E124`	Audio amplifier device failure	Audio amplifier not detected or responding	unknown
`E126`	Audio codec device failure	Audio codec hardware not detected or responding	unknown
`E127`	Audio codec function check	Audio codec self-test or functional check failure	unknown
`E128`	SYS-PCBA EEPROM device failure	System EEPROM hardware not detected or responding	unknown
`E129`	SYS-PCBA EEPROM function error	EEPROM read/write test failure	unknown
`E12A`	ACCESS 15 Volt ADC device failure	15V ADC converter not detected or responding	unknown
`E12C`	Touch controller pin fault test failure	Touch controller pin continuity or connectivity test failure	unknown
`E12E`	Touch controller AVDD test failure	Touch controller analog supply voltage test failure	unknown
`E130`	IMX6 I2C3 ERROR	IMX6 I2C3 bus communication failure	unknown
`E130–E13F`	IMX6 device error affecting usage counters or SOM	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E130-E13F`	IMX6 device error (access port, usage counters, SOM)	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection procedure	critical
`E132`	SOM user EEPROM device failure	User EEPROM on SOM not detected or responding	unknown
`E133`	SOM user EEPROM function error	User EEPROM read/write test failure	unknown
`E134`	SOM manufacturing EEPROM device failure	Manufacturing EEPROM on SOM not detected or responding	unknown
`E135`	SOM manufacturing EEPROM function error	Manufacturing EEPROM read/write test failure	unknown
`E136`	SOM temperature sensor 0 device failure	Temperature sensor 0 on SOM not detected or responding	unknown
`E138`	SOM temperature sensor 1 device failure	Temperature sensor 1 on SOM not detected or responding	unknown
`E13C`	Hard paddles ADC device failure	Hard paddle ADC converter not detected or responding	unknown
`E13D`	Hard paddles ADC function error	Hard paddle ADC read/conversion test failure	unknown
`E141`	Bluetooth power-on self test	Bluetooth module self-test failure during startup	unknown
`E180-E1FF`	IMX6 peripherals error (SD card, data logging)	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection procedure	critical
`E180–E1FF`	IMX6 peripherals error affecting SD card or data logging	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E1XX`	Internal communication devices, system access, or IMX6 peripherals error	Real time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection procedure	critical
`E1XX (E100-E11F)`	Internal communication devices error	Failure in WiFi communication detected during operation or self-test	error
`E1XX (E120-E12F)`	System access port or touch screen error	Failure in access port, touch screen, or audio functions detected during operation or self-test	error
`E1XX (E130-E13F)`	IMX6 device or usage counter error	Failure in IMX6 device, access port, or usage counter detected during operation or self-test	error
`E1XX (E180-E1FF)`	IMX6 peripherals error (SD card or data logging)	Failure in SD card or data logging system detected during operation or self-test	warning
`E200-E3FF`	Power and therapy delivery error	Real-time error during device use or failure during self-test procedures	critical
`E200–E3FF`	Power and therapy delivery error on Energy delivery PCBA	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E225`	Power microcontroller software integrity check	Power microcontroller firmware checksum or integrity test failure	error
`E226`	Power microcontroller watchdog reset	Power microcontroller watchdog timer expired	warning
`E227`	Power microcontroller communications error	Communication between power microcontroller and other modules failed	error
`E228`	Power microcontroller communications error with SOM	Communication between power microcontroller and SOM module failed	error
`E229`	Power microcontroller communications aperiodic message check	Expected periodic message from power microcontroller not received	error
`E22A`	Power microcontroller EEPROM service read error	EEPROM read operation from power microcontroller failed	error
`E22C`	Power source failure check	Power source voltage or current test failure	error
`E230`	Power microcontroller 15V bus rail	15V power rail voltage out of specification	error
`E231`	Power microcontroller analog output 3.3V rail	3.3V analog output power rail voltage out of specification	error
`E233`	Service LED failure	Service LED not illuminating or responding to control signal	warning
`E238`	Power button stuck	Power button switch stuck in pressed or released position	error
`E239`	RTC check failure indicating possible power loss	Real-time clock verification fails during startup or operation	warning
`E23B`	Coin cell battery check failure	Coin cell voltage below acceptable threshold	warning
`E2A3`	Therapy microcontroller state mismatch	Therapy module state does not match expected state during operation	error
`E2A5`	Therapy microcontroller software integrity check failure	CRC or checksum validation fails on therapy microcontroller firmware	error
`E2A6`	Therapy pacing error	Pacing output circuit detects malfunction during pacing mode	error
`E2A7`	Therapy pacing rate error	Pacing rate generation circuit fails or generates incorrect frequency	error
`E2A8`	Therapy prepulse GPIO error	General-purpose input/output prepulse control line malfunction	error
`E2A9`	Therapy QRS GPIO error	QRS detection GPIO control line fails or is in wrong state	error
`E2AA`	Charge remains on capacitor after shock delivery	High-voltage capacitor does not fully discharge after defibrillation shock	error
`E2AB`	Charge energy incorrect	Measured delivered energy does not match selected energy level	error
`E2AC`	Charge energy incorrect with internal paddles	Delivered energy incorrect when using internal paddle electrodes	error
`E2AD`	Charge energy too high; output disabled	Charging circuit produces voltage exceeding safe maximum threshold	error
`E2AF`	Therapy communication timeout	Main processor fails to receive timely response from therapy microcontroller	error
`E2C0`	Therapy microcontroller watchdog check failure	Watchdog timer expires; microcontroller not responding within timeout period	error
`E2C1`	Therapy microcontroller stack check failure	Stack pointer corruption or stack overflow detected	error
`E2C2`	Therapy microcontroller RAM test failure	RAM memory self-test detects bad memory location or bit error	error
`E2C3`	Therapy flash CRC test failure	Flash memory checksum verification fails	error
`E2C4`	Therapy 3.3V monitor check failure	3.3V supply voltage out of spec or supply monitor circuit failure	error
`E2C5`	Therapy 24V monitor check failure	24V supply voltage out of spec or supply monitor circuit failure	error
`E2C6`	Therapy ADC conversion timeout	Analog-to-digital converter fails to complete conversion within timeout	error
`E2C7`	Therapy oscillator clock error	Microcontroller oscillator fails to generate correct clock frequency	error
`E2C8`	Therapy transfer open error	Output contactor or relay fails to open after shock delivery	error
`E2C9`	Therapy transfer close error	Output contactor or relay fails to close for shock delivery	error
`E2CA`	Therapy microcontroller communication CRC error	CRC checksum failure on message from therapy microcontroller	error
`E2CB`	Therapy microcontroller communication internal issue	Therapy microcontroller reports internal communication protocol error	error
`E2CC`	Therapy microcontroller communication dropped message	Main processor detects missing expected message from therapy microcontroller	error
`E2CD`	Therapy charge command error	Therapy microcontroller rejects or fails to execute charge command from main processor	error
`E2CE`	Therapy arm command error	Therapy microcontroller rejects or fails to execute arm command	error
`E2CF`	Therapy capacitor overvoltage condition	High-voltage capacitor charging circuit output exceeds safe maximum voltage	error
`E2D0`	Therapy charging timeout	Capacitor fails to charge to target voltage within timeout period	error
`E2D1`	Therapy dump timeout	Capacitor fails to fully discharge within timeout period after shock or when commanded	error
`E2D2`	SC_TH_ED_ERROR_PACE_ON_CMD - pacing on command error	Therapy module fails to execute or acknowledge pacing enable command	error
`E2D2`	SC_TH_ED_ERROR_PACE_ON_CMD	Pacing command execution error	error
`E2D3`	Therapy pulse width error	Pacing pulse width generation circuit produces incorrect pulse width	error
`E2D4`	Therapy pace charge timeout	Pacing charge circuit fails to reach target within timeout period	error
`E2D5`	SC_TH_ED_ERROR_PULSE_START_CD_TO	Pulse start charge timeout during shock delivery	error
`E2D6`	SC_TH_ED_ERROR_PULSE_STOP_CD_TO	Pulse stop charge delivery timeout	error
`E2D7`	SC_TH_ED_ERROR_PULSE_START	Therapy pulse start error detected	error
`E2D8`	SC_TH_ED_ERROR_UNEXPECTED_WATCHDOG	Watchdog timer reset during therapy operation	error
`E2D9`	Therapy H-bridge error	H-bridge circuit fault detected during defibrillation charge or delivery	error
`E2DA`	Therapy defib calibration error	Calibration check of defibrillation circuit fails	error
`E2DB`	Therapy ADC compare error	Analog-to-digital converter comparison mismatch	error
`E2DC`	Therapy voltage on cap	Capacitor voltage exceeds safe threshold or is out of expected range	error
`E2DD`	Therapy redundant variable	Redundancy check fails on therapy control variables	error
`E2DE`	Therapy relay error	Therapy relay does not respond or feedback signal incorrect	error
`E2DF`	Therapy over voltage error	Capacitor or output voltage exceeds maximum safe limit	error
`E2XX`	Power and therapy delivery error	Real time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection procedure	critical
`E2XX (E200-E3FF)`	Power and therapy delivery error	Failure in power supply or energy delivery system detected during operation or self-test	critical
`E2XX-E3FF`	Power and therapy delivery error	Real-time error during device use or test failure	critical
`E400-E5FF`	Interface PCBA error	Real-time error during device use or failure during self-test procedures	critical
`E400–E5FF`	Interface PCBA error	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E421`	Interface uC communication failure	Interface microcontroller communication with main system fails	error
`E425`	Interface uC software integrity check	Software checksum or integrity verification failed	error
`E427`	Interface uC communication error	Interface microcontroller detects communication protocol error	error
`E430`	Interface uC power LED	Power LED does not illuminate or control signal fails	warning
`E431`	Interface uC shock LED	Shock LED does not illuminate or control signal fails	warning
`E432`	Interface uC red beacon	Red beacon light does not illuminate or control signal fails	warning
`E433`	Interface uC yellow beacon	Yellow beacon light does not illuminate or control signal fails	warning
`E434`	Interface uC 15V rail	15V power supply voltage is out of specification	error
`E435`	Interface uC AVDD 3.3V rail	Analog supply 3.3V voltage is out of specification	warning
`E437`	Interface uC 1.8V rail	1.8V core supply voltage is out of specification	warning
`E438`	Interface uC 3.3V rail	3.3V digital supply voltage is out of specification	error
`E439`	Interface uC 5V rail	5V digital supply voltage is out of specification	warning
`E43A`	Interface uC 12V rail	12V supply voltage out of tolerance	error
`E43B`	Internal fan	Fan speed sensor or motor control signal fails	error
`E43C`	Internal speaker	Speaker does not produce sound or control signal fails	warning
`E43D`	Interface PCBA EEPROM failure	EEPROM read or write error detected	warning
`E43E`	Ambient light sensor	Ambient light sensor does not respond or signal out of range	warning
`E4E1`	Audio damaged files error	Audio file integrity check fails during boot or playback	warning
`E4XX`	Interface PCBA error	Interface PCBA subsystem failure	error
`E4XX (E400-E5FF)`	Interface PCBA error	Failure in Interface PCBA detected during operation or self-test	error
`E4XX-E5FF`	Interface PCBA error	Real-time error during device use or test failure	critical
`E600–E7FF`	Internal OEM modules error (patient parameter, CO2, SpO2, NIBP modules)	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E600-E7FF`	Internal OEM modules error	Real-time error during device use or failure during self-test procedures	critical
`E660`	Capnography self-test failure	Capnography module internal self-test fails	warning
`E661`	Capnography device failure	Capnography sensor or module is not functioning	warning
`E662`	Capnography communication failure	Communication between main system and capnography module fails	warning
`E670`	Capnography calibration failure	Capnography module calibration verification failed	error
`E6A0`	NIBP self-test failure	NIBP module self-test check fails	warning
`E6A1`	NIBP device failure	NIBP module device malfunction detected	warning
`E6A2`	NIBP communication failure	Loss of communication with NIBP module	warning
`E6E0`	Oximetry self-test failure	Oximetry module self-test check fails	warning
`E6E1`	Oximetry device failure	Oximetry module hardware failure detected	warning
`E6E2`	Oximetry communication failure	Communication lost with oximetry module	warning
`E6XX`	Internal OEM module error	Real time error during device use or failure during diagnostic test	critical
`E6XX (E600-E7FF)`	Internal OEM module error	Failure in patient parameter module or CO2/SpO2/NIBP module detected during operation or self-test	warning
`E6XX-E7FF`	Internal OEM modules error	Real-time error during device use or test failure	critical
`E800`	Therapy cable validity check failure	Therapy cable validation test fails	warning
`E800–E9FF`	External OEM devices error	Real-time error during device use or failure during power-on self-test, auto-test, user test, or performance inspection	critical
`E800-E9FF`	External OEM devices error	Real-time error during device use or failure during self-test procedures	critical
`E8XX`	External OEM device error	External patient parameter module failure	warning
`E8XX (E800-E9FF)`	External OEM device error	Failure in external patient parameter device detected during operation or self-test	warning
`E8XX-E9FF`	External OEM devices error	Real-time error during device use or test failure	critical
`EA00–EADF`	User tests or non-ready conditions	Failure during user test or performance inspection procedure	critical
`EA00-EADF`	User tests error	Real-time error during device use or failure during self-test procedures	critical
`EA02`	Shiftcheck charge button failure	Charge button self-test fails	warning
`EA03`	Shiftcheck shock button failure	Shock button self-test fails	warning
`EA04`	Shiftcheck analyze button failure	Analyze button self-test fails	warning
`EA05`	Shiftcheck speed dial push failure	Speed dial push function fails self-test	warning
`EA06`	Shiftcheck speed dial clockwise failure	Speed dial clockwise rotation fails self-test	warning
`EA07`	Shiftcheck speed dial counter-clockwise failure	Speed dial counter-clockwise rotation self-test fails	warning
`EA08`	Shiftcheck power button LED failure	Power button LED self-test fails	warning
`EA09`	Shiftcheck shock button LED failure	Shock button LED self-test fails	warning
`EA0A`	Shiftcheck auxiliary power LED failure	Auxiliary power LED self-test fails	warning
`EA0B`	Shiftcheck battery power LED failure	Battery power LED self-test fails	warning
`EA0C`	Shiftcheck service LED failure	Service LED self-test fails	warning
`EA0D`	Shiftcheck beacon patient red failure	Beacon patient red light self-test fails	warning
`EA0E`	Shiftcheck beacon patient yellow failure	Beacon patient yellow light self-test fails	warning
`EA0F`	Shiftcheck readiness LED yellow failure	Readiness yellow LED self-test fails	warning
`EA10`	Shiftcheck touch screen press failure	Touch screen press self-test fails	warning
`EA11`	Shiftcheck pixel display failure	Display pixel test fails or display malfunction detected	warning
`EA12`	Shiftcheck microphone speaker failure	Audio input or output device fails self-test	warning
`EA13`	Shiftcheck device damage	Visual inspection detects device damage during self-check	warning
`EA13`	Device damage shiftcheck failure	Visual inspection self-test during startup	error
`EA14`	Shiftcheck device substance contamination	Substance contamination detected during self-check	warning
`EA15`	Shiftcheck power cord damage	Power cord damage detected during inspection	warning
`EA16`	Printer paper shiftcheck failure	Printer paper status check	warning
`EA16`	Shiftcheck printer paper low or absent	Printer paper level low or absent during self-check	info
`EA17`	Shiftcheck printer operation failure	Printer operation self-test fails	warning
`EA18`	Shiftcheck spare pads absent	Spare defibrillation pads not found during self-check	info
`EA19`	Shiftcheck pads date expired	Defibrillation pads have expired during self-check	info
`EA1A`	Paddles clean shiftcheck failure	Paddle cleanliness inspection self-test	warning
`EA1A`	Shiftcheck paddles not clean	Paddle surfaces not clean during self-check	info
`EA1B`	Shiftcheck electrode package issue	Electrode package problem detected during self-check	info
`EA1C`	Therapy cable shiftcheck failure	Therapy cable inspection self-test	error
`EA1C`	Shiftcheck therapy cable issue	Therapy cable problem detected during self-check	warning
`EA1D`	ShiftCheck ECG cable	Automatic equipment self-test during shift check	warning
`EA1E`	ShiftCheck SpO2 cable	Automatic equipment self-test during shift check	warning
`EA1F`	ShiftCheck NIBP access	Automatic equipment self-test during shift check	warning
`EA20`	ShiftCheck AC power	Automatic equipment self-test during shift check	warning
`EA21`	ShiftCheck battery power	Automatic self-test during shift check	warning
`EA22`	ShiftCheck charged batteries	Automatic equipment self-test during shift check	warning
`EA23`	ShiftCheck temperature cable	Automatic equipment self-test during shift check	warning
`EA24`	ShiftCheck IBP cable	Automatic equipment self-test during shift check	warning
`EA43`	Energy dial clockwise	Energy dial rotation test during shift check	warning
`EA44`	Energy dial counterclockwise	Energy dial rotation test during shift check	warning
`EA45`	Paddles charge button	Paddle charge button test during shift check	warning
`EA46`	Paddle sternum button	Sternum paddle button pressed during functional test	warning
`EA47`	Paddles apex button	Apex paddle button pressed during functional test	warning
`EA48`	Paddles charge button	Paddle charge button test during shift check	warning
`EA49`	Paddles print button	Paddle print button pressed during functional test	warning
`EA4A`	Paddles surface inspection	Visual paddle surface inspection during shift check	warning
`EA4B`	Paddles cable inspection	Visual inspection of paddle cables during test	warning
`EA4C`	Paddles connector inspection	Paddle connector visual inspection during shift check	warning
`EA4D`	Paddles connection check	Paddle electrical connection test during shift check	warning
`EA4E`	Paddles in wells check	Paddle position detection test during shift check	warning
`EA4F`	Paddles charge check	Paddle charging function test during shift check	warning
`EA50`	Paddles energy delivery check	Paddle energy delivery test during shift check	warning
`EA51`	Paddles test load detected	Test load connected to paddles during functional test	warning
`EA52`	Energy test load detected	Test load not detected during energy delivery test	warning
`EA53`	Energy test load charge check	Test of charging energy into test load	warning
`EA54`	Energy test load delivery check	Test load energy delivery verification during shift check	warning
`EA55`	Energy test load leads off detected	Leads-off condition detected during test load operation	warning
`EA56`	Energy test load cable check	Test load cable integrity check during shift check	warning
`EAE0`	Auto-test service error check	Automatic self-test detects internal service error	error
`EAXX`	User tests or performance inspection error	Failure during user test or performance inspection procedure	error
`EAXX (EA00-EADF)`	User test or performance inspection code	Failure or result during user test or performance inspection procedure (PIP)	warning
`EB00`	Battery 1 missing	Equipment startup or battery detection check	error
`EB01`	Battery 1 fault	Battery 1 detected with fault condition during test	warning
`EB02`	Battery 1 not authorized	Battery authentication check during startup	error
`EB03`	Battery 1 low	Battery charge level monitoring during operation	warning
`EB04`	Battery 2 missing	Equipment startup or battery detection check	error
`EB05`	Battery 2 fault	Battery 2 detected with fault condition during test	warning
`EB06`	Battery 2 not authorized	Unauthorized battery detected	warning
`EB07`	Battery 2 low	Battery 2 charge below operational threshold	warning
`EB08`	Auxiliary power not connected	Auxiliary power source disconnected or unavailable	warning
`EB09`	Battery 1 end-of-life	Battery 1 has reached end-of-life threshold	warning
`EB0A`	Battery 2 end-of-life	Battery 2 has reached end-of-life threshold	warning
`EB13`	Electrodes test load detected	Test load detected on electrodes	info
`EB14`	Electrodes simulator detected	Electrodes simulator connected during normal operation	info
`EB20`	Therapy cable missing	Therapy cable not detected or disconnected	error
`E_UXX`	User test code	Failure during user test execution	warning
`MAINTENANCE DUE`	Scheduled maintenance interval has been reached	Device powered on after maintenance interval (3, 6, or 12 months) has elapsed	warning

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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.