Anesthesia machines

Dräger Narkomed 2B: troubleshooting and error codes

The ServiceForge knowledge base holds 47 documented symptoms for the Dräger Narkomed 2B, with 77 ranked causes, 193 diagnostic checks with test points and expected values, and 24 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: Periodic Manufacturer's Certification (PMC) patient safety

Complete PMC inspection procedure for Narkomed 2B anesthesia machine including ventilator valve lubrication, relief valve diaphragm replacement, vaporizer inspection and concentration testing, and certification level determination.

Ranked causes

1. Ventilator MJV-2 square Clippard valve lubrication requirement (common)
2. Ventilator relief valve diaphragm replacement (common)
3. Halothane vaporizer soil condition inspection (occasional)
4. Dräger vapor vaporizer concentration verification (common)
5. Desflurane vaporizer concentration verification (common)
6. Certification level determination per DMI Recommendations (common)

First check

Verify ventilator valve type and lubrication schedule

Test point: Ventilator assembly
Expected: MJV-2 Clippard valve with lubrication due date documented

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

Display screens blank upon system power-up

CRT display screens remain blank when system is powered on

Ranked causes

1. CRT assembly disconnected or not powered (unknown)
2. Power supply voltage failure (unknown)
3. Processor assembly failure (unknown)
4. CRT assembly failure (unknown)

First check

Verify cables connected to J3 and J4 on processor board

Test point: J3 and J4 connectors
Expected: Cables are connected

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

PMC certification labeling and documentation patient safety

Proper labeling and record keeping procedures to complete Periodic Manufacturer's Certification process including label selection based on certification level and customer notification.

Ranked causes

1. Certification level A (Certified) (unknown)
2. Certification level B (Certified with Recommendations) (unknown)
3. Certification level BC (Conditionally Certified with Recommendations) (unknown)
4. Certification level D (No Certification) (unknown)

First check

Complete header and certification information on PMC form

Test point: PM Certification form (P/N S010211)
Expected: All header fields completed with machine details and service technician information

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

Loss of O2 monitor patient safety

Oxygen monitor display or function is absent or non-functional

Ranked causes

1. Oxygen analyzer not functional (unknown)
2. Processor assembly failure (unknown)
3. Cable disconnected from J10 on processor board (unknown)

First check

Perform complete PMC on unit

Test point: Unit
Expected: Unit passes PMC

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

Loss of respiratory volume monitor patient safety

Respiratory volume monitor display or function is absent or non-functional

Ranked causes

1. Volume sensor not functional (unknown)
2. Processor assembly failure (unknown)
3. Cable disconnected from J9 on processor board (unknown)

First check

Perform complete PMC on unit

Test point: Unit
Expected: Unit passes PMC

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

No keypanel response

Display panel keys are not responding to user input

Ranked causes

1. Keypad cables not connected to J1 and J2 (unknown)
2. Keypad assembly failure (unknown)
3. Processor assembly failure (unknown)

First check

Verify cables connected to J1 and J2 on processor board

Test point: J1 and J2 connectors
Expected: Cables are connected

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

No oxygen ratio monitor alarms patient safety

O2/N2O ratio alarms are not functional or responding

Ranked causes

1. ORMC not functional (unknown)
2. Alarm channel assembly failure (unknown)
3. Processor assembly failure (unknown)

First check

Perform complete PMC on unit

Test point: Unit
Expected: Unit passes PMC

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

No oxygen supply pressure alarms patient safety

Oxygen supply pressure alarms are not functional or responding

Ranked causes

1. Oxygen supply alarm switch not functional (unknown)
2. Alarm channel assembly failure (unknown)
3. Processor assembly failure (unknown)

First check

Perform complete PMC on unit

Test point: Unit
Expected: Unit passes PMC

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

Vaporizer handwheel does not lock when other vaporizer turned on

One or more vaporizer handwheels fail to lock in zero position when another vaporizer is activated, indicating interlock mechanism misalignment.

Ranked causes

1. Center set screw insufficiently tight (when center vaporizer turned on) (common)
2. Right set screw insufficiently adjusted (when left vaporizer turned on) (common)
3. Left set screw insufficiently adjusted (when right vaporizer turned on) (common)

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

Vitalink failure

Host fails to communicate with peripheral device via Vitalink serial interface

Ranked causes

1. Peripheral cable not connected to serial port (unknown)
2. Incorrect serial port configuration settings (unknown)
3. Processor assembly failure (unknown)

First check

Perform complete PMC on unit

Test point: Unit
Expected: Unit passes PMC

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

Calibration reading out of range

Displayed PRESSURE SPAN reading at 60 cm H2O is outside tolerance window of 465–519

Ranked causes

1. Pressure sensor calibration error (common)
2. Test fixture or gauge inaccuracy (occasional)

First check

Measure circuit pressure on external gauge

Test point: External test gauge on TEE connector
Expected: 60 cm H2O

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

Loss of breathing pressure monitor patient safety

Breathing pressure monitor display or function is absent or non-functional

Ranked causes

1. Breathing pressure tubing disconnected or obstructed (unknown)
2. Processor assembly failure (unknown)

First check

Perform complete PMC on unit

Test point: Unit
Expected: Unit passes PMC

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

Oxygen sensor housing not seating properly patient safety

Sensor housing fails to fully seat in inspiratory valve dome or copper rings not contacting electrical contacts

Ranked causes

1. Copper rings misaligned with electrical contacts (occasional)
2. Sensor housing mechanically misaligned or damaged (rare)

First check

Verify copper ring alignment with electrical contacts

Test point: Sensor capsule copper rings and housing electrical contacts
Expected: Rings fully aligned and visible

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

Replace ventilator bellows valve and guide assembly high voltage

Replacement of two-piece or one-piece tidal volume adjustment and valve case assembly in bellows box on left side of machine

Ranked causes

1. Valve case assembly requires replacement (unknown)
2. One-piece valve case and guide assembly requires replacement (unknown)

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

Roman Numeral conditions I and II requirements patient safety

Additional operational requirements that do not affect base certification level but mandate specific monitoring equipment and operator procedures.

Ranked causes

1. Roman Numeral I: CO2 monitor with apnea warning required (occasional)
2. Roman Numeral II: Oxygen analyzer with low oxygen warning required (occasional)

First check

Verify CO2 monitor with apnea warning if Condition I applies

Test point: CO2 monitoring system
Expected: Functional CO2 monitor with apnea alarm capability present on system

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

Alarm lamp does not light at initial ORMC setting patient safety

Yellow O2/N2O FLOW RATIO lamp on alarm panel is not illuminated when O2/N2O flowmeter reaches 10 L/min at 25% O2 concentration.

Ranked causes

1. Switch adjustment cam and switch mount not properly positioned (common)

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

Alarm lamp does not turn off at low N2O flow patient safety

Yellow O2/N2O FLOW RATIO lamp remains on when N2O flow drops to between 100 and 200 ml per minute, outside expected turn-off range.

Ranked causes

1. MPL switch setpoint misaligned (occasional)

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

Battery voltage out of specification patient safety

Battery voltage measured at J7-3/J7-4 outside normal ranges; affects system backup operation

Ranked causes

1. Battery requires charging or replacement (common)

First check

Measure battery voltage while operating from AC line at full charge

Test point: J7-3 (positive) to J7-4 (negative)
Expected: 12.83 to 14.18 VDC, 12.83-14.18 VDC
Tools: Voltmeter

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

Breathing pressure hose disconnect failed

Breathing pressure hose cannot be disconnected from absorber during calibration setup

Ranked causes

1. Hose stuck or over-tightened connection (unknown)

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

Calibration: Air flowmeter (if applicable)

Verify air flow can be adjusted over full range and O2 concentration correct at 2 l/min with proper knob and label

Ranked causes

1. O2 concentration out of spec with air at 2 l/min (occasional)

First check

Connect air pipeline hose if no cylinder yoke configured

Test point: Air inlet
Expected: Pipeline hose securely connected

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

Calibration: Auxiliary oxygen flowmeter (if applicable)

Verify auxiliary oxygen outlet maintains pressure stability at 50 cm H2O within 40–60 cm H2O tolerance after 10 seconds

Ranked causes

1. Auxiliary oxygen regulator or supply leak causing pressure drift (occasional)

First check

Connect test pressure monitor to auxiliary O2 outlet

Test point: O2 outlet port
Expected: Monitor securely connected via PDM/Suction adapter (P/N 4115038)

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

Calibration: Carbon dioxide flowmeter (if applicable)

Verify CO2 flow over 550 ml/min range and O2 concentration correct at CO2 500 ml/min + O2 1000 ml/min with proper knob and label

Ranked causes

1. O2 concentration out of spec with CO2 at 500 ml/min (occasional)

First check

Set gas selector to ALL GAS

Test point: Gas selector switch
Expected: Switch in ALL GAS position

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

Calibration: CO2 cylinder pressure regulator

Adjustment of CO2 regulator to ensure correct flowmeter reading at full flow

Ranked causes

1. CO2 regulator requires calibration adjustment (common)

First check

Open CO2 cylinder valve

Test point: CO2 cylinder valve
Expected: Open

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

Calibration: Cylinder pressure regulator adjustment high voltage

Adjust cylinder pressure regulator output to specified pressures based on cylinder supply pressure, with compensated settings for O2, Air, He, He/O2, N2 and direct setting for N2O

Ranked causes

1. Regulator output pressure requires adjustment to compensate for cylinder supply variations (common)

First check

Verify minimum cylinder pressures before adjustment

Test point: Cylinder pressure gauge
Expected: N2O & CO2: 600 psi minimum; O2, Air, He, He/O2, N2: 1000 psi minimum

3 more checks with pass and fail actions, 7 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Helium flowmeter (if applicable)

Verify helium flow can be adjusted over full range and O2 concentration is correct at 2 l/min with proper knob and label

Ranked causes

1. O2 concentration out of spec with helium at 2 l/min (occasional)

First check

Set gas selector to ALL GAS

Test point: Gas selector switch
Expected: Switch in ALL GAS position

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

Calibration: Nitrogen flowmeter (if applicable)

Verify nitrogen flow can be adjusted over full range and O2 concentration is correct at 2 l/min with proper knob and label

Ranked causes

1. O2 concentration out of spec with nitrogen at 2 l/min (occasional)

First check

Set gas selector to ALL GAS

Test point: Gas selector switch
Expected: Switch in ALL GAS position

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

Calibration: Nitrous oxide flowmeter

Verify nitrous oxide flow and O2 concentration response at 2 l/min with proper knob and label

Ranked causes

1. O2 concentration out of spec with N2O at 2 l/min (occasional)

First check

Set nitrous oxide flow to 2 l/min

Test point: N2O flowmeter display
Expected: 2 l/min

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

Calibration: Oxygen flowmeter range adjustment

Verify oxygen flowmeter can be adjusted over full operating range and correct control knob and label are attached

Ranked causes

1. Oxygen flowmeter valve stuck or restricted (rare)

First check

Adjust oxygen flow through full range

Test point: Oxygen flowmeter control knob
Expected: Smooth adjustment possible from minimum to maximum

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

Calibration: Oxygen ratio control (if applicable) patient safety

Verify O2 concentration remains in 21–29% range at varying oxygen flows with N2O at maximum, and N2O flow remains ≥600 ml/min at minimum O2

Ranked causes

1. O2/N2O ratio out of safe range or safety lock failure (occasional)

First check

Open N2O flow control valve to stop position

Test point: N2O flowmeter control
Expected: Valve fully open

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

Calibration: Oxygen ratio monitor controller (if applicable, non-2-gas) patient safety

Verify N2O flow begins at O2 200–400 ml/min, O2/N2O ratio alarm functions correctly, and O2 concentration stays 21–29% across flow adjustments

Ranked causes

1. Oxygen ratio monitor threshold or alarm circuit malfunction (occasional)

First check

Close oxygen flow control valve completely

Test point: Oxygen flowmeter control
Expected: Valve fully closed

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

Calibration: Oxygen Ratio Monitor/Controller (ORMC) patient safety

Adjustment of ORMC to ensure correct O2/N2O ratio control and alarm lamp function on Narkomed 2B anesthesia machine.

Ranked causes

1. ORMC requires initial setup and calibration per procedure (common)

First check

Initial N2O flow with closed O2 valve

Test point: N2O flow control valve
Expected: No nitrous oxide flow

11 more checks with pass and fail actions, 9 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Oxygen sensor patient safety

Replace oxygen sensor capsule and perform 21% calibration after 15-minute stabilization

Ranked causes

1. Oxygen sensor requires replacement (unknown)

First check

Set System Power switch to STANDBY

Test point: System Power switch
Expected: STANDBY position

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

Calibration: Oxygen supply pressure alarm switch patient safety

Oxygen supply low-pressure alarm activation setpoint adjustment for Narkomed 2B anesthesia machines with alarm switch on alarm channel

Ranked causes

1. Alarm setpoint requires adjustment to specification (unknown)

First check

Disconnect all pipeline hoses

Test point: pipeline connections
Expected: all hoses removed

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

Calibration: Oxygen-Helium flowmeter (if applicable)

Verify Oxygen-Helium mixture can be adjusted over full range and concentration is correct at 2 l/min with proper knob and label

Ranked causes

1. O2-He concentration out of specification at baseline flow (occasional)

First check

Set gas selector to ALL GAS

Test point: Gas selector switch
Expected: Switch in ALL GAS position

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

Equipment certification level precedence rules patient safety

Guidelines for determining final certification level when multiple DMI Recommendations or Failure Codes apply using lowest common denominator and precedence hierarchy.

Ranked causes

1. Multiple conditions apply with precedence hierarchy (occasional)

First check

Identify all applicable DMI Recommendations or Failure Codes

Test point: Equipment condition assessment
Expected: Complete list of all codes and recommendations that apply

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

Incorrect display

Wrong monitor screen is displayed on the system

Ranked causes

1. Processor assembly failure (unknown)

First check

Perform complete PMC on unit

Test point: Unit
Expected: Unit passes PMC

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

No audio alarms patient safety

Audible warnings and cautions are not being announced by the system

Ranked causes

1. Processor assembly failure (unknown)

First check

Perform complete PMC on unit

Test point: Unit
Expected: Unit passes PMC

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

O2 supply alarm does not activate at correct pressure patient safety

Oxygen supply alarm switch is not activating at the specified setpoint of 40 to 34 psi

Ranked causes

1. Alarm switch setpoint misaligned (common)

First check

Measure O2 pressure at alarm activation

Test point: test gauge connected to TEE fitting in O2 regulator output
Expected: alarm activates between 40 and 34 psi, 40 to 34 psi
Tools: dedicated O2 test gauge

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

ORC adjustment screw not responsive

Adjusting screw fails to change N2O flow rate during calibration when turned

Ranked causes

1. Adjusting screw locknut too tight or screw stuck (occasional)

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

Oxygen analyzer calibration verification patient safety

Verify O2 sensor calibration and response after O2 CAL key activation; sensor must stabilize in ambient air before calibration

Ranked causes

1. O2 sensor not calibrated or unstable (common)

First check

Verify O2 sensor stabilization in ambient air

Test point: O2 analyzer display
Expected: Reading stabilizes

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

Oxygen analyzer low alarm generation patient safety

Verify low oxygen alarm message and audio alarm appear on central display and trigger continuous alarm sound

Ranked causes

1. O2 concentration below alarm threshold after calibration (common)

First check

Verify % OXYGEN LOW message displays

Test point: Central alarm display
Expected: % OXYGEN LOW message

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

Oxygen analyzer response at steady O2 flow patient safety

Verify O2 sensor reads correctly when oxygen is flowing at steady state 10 l/min

Ranked causes

1. O2 analyzer sensor drift or calibration error at operating flow (occasional)

First check

Set oxygen flow to 10 l/min

Test point: Oxygen flowmeter valve
Expected: Flow reads 10 l/min on meter

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

Oxygen analyzer response to oxygen flush patient safety

Verify O2 sensor correctly reads high oxygen concentration during 10-second O2 flush at inspiratory valve

Ranked causes

1. O2 sensor not responding to flush or slow response (occasional)

First check

Position O2 sensor in inspiratory valve dome adapter

Test point: Inspiratory valve dome adapter
Expected: Sensor seated and secure

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

Oxygen flush cessation response patient safety

Verify O2 flow stops immediately when O2 Flush control is released

Ranked causes

1. O2 Flush valve sticking or leaking (occasional)

First check

Release O2 Flush control

Test point: O2 Flush button
Expected: Button returns to unpressed state

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

Oxygen supply alarm activates outside setpoint range patient safety

O2 supply pressure alarm activates below 34 psi or above 40 psi instead of within specified range

Ranked causes

1. Alarm setpoint incorrectly calibrated (common)

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

Processor board voltage measurement caution

Reference test points and acceptable voltage ranges for troubleshooting power supply issues in the NARKOMED 2B.

Ranked causes

1. Power supply voltages out of range (unknown)

First check

Measure +5 VDC at capacitor C23 (+) end

Test point: C23 (+) end on processor board
Expected: 4.85 to 5.15 VDC, 4.85 to 5.15 VDC
Tools: Voltmeter, DMM

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

Regulator output requires compensation for cylinder pressure caution

O2 and other gas regulators output decreases 0.5 psi per 100 psi cylinder pressure increase above 1000 psi; N2O compensation not required

Ranked causes

1. Cylinder pressure above 1000 psi reduces regulator output (common)

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

Error codes

Code	Meaning	Trigger	Severity
`Group 1 Left: 1`	System memory fail (checkerboard test)	Diagnostics menu self-test	error
`Group 1 Left: 2`	System memory fail (ROM compare test)	Diagnostics menu self-test	error
`Group 1 Left: 4`	CTC fail (timer function test)	Diagnostics menu self-test	error
`Group 1 Left: 8`	CTC fail (interrupt logic test)	Diagnostics menu self-test	error
`Group 1 Right: 1`	CRT controller fail (readback test)	Diagnostics menu self-test	error
`Group 1 Right: 2`	CRT memory fail (checkerboard test)	Diagnostics menu self-test	error
`Group 1 Right: 4`	CRT memory fail (ROM compare test)	Diagnostics menu self-test	error
`Group 1 Right: 8`	ROM fail (firmware CRT test)	Diagnostics menu self-test	error
`Group 2 Left: 1`	Backup audio fail (sound generation test)	Diagnostics menu self-test	warning
`Group 2 Left: 2`	Serial port B fail (channel A on UART)	Diagnostics menu self-test	error
`Group 2 Left: 4`	Serial port A fail (channel B on UART)	Diagnostics menu self-test	error
`Group 2 Left: 8`	Clock fail (cannot read)	Diagnostics menu self-test	error
`Group 2 Right: 1`	A/D conv. fail (analog V out of range)	Diagnostics menu self-test	error
`Group 2 Right: 2`	Primary audio fail (speaker test)	Diagnostics menu self-test	warning
`Group 2 Right: 4`	Primary audio fail (sound gen. test)	Diagnostics menu self-test	warning
`Group 2 Right: 8`	Backup audio fail (speaker test)	Diagnostics menu self-test	warning
`Group 3 Left: 1`	Backup memory fail (ROM compare test)	Diagnostics menu self-test	error
`Group 3 Left: 2`	Backup memory fail (array recall test)	Diagnostics menu self-test	error
`Group 3 Left: 4`	AC power fail	Diagnostics menu self-test	critical
`Group 3 Left: 8`	Reserve power fail (batt. low/disconnected)	Diagnostics menu self-test	critical
`Group 3 Right: 1`	Clock fail (write/readback test)	Diagnostics menu self-test	error
`Group 3 Right: 2`	Clock fail (original time test)	Diagnostics menu self-test	error
`Group 3 Right: 4`	Clock fail (seconds not incrementing)	Diagnostics menu self-test	error
`Group 3 Right: 8`	Backup memory fail (checkerboard test)	Diagnostics menu self-test	error

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.