Patient monitors · Dash family

GE Healthcare Dash 3000: troubleshooting and error codes

The ServiceForge knowledge base holds 129 documented symptoms for the GE Healthcare Dash 3000, with 214 ranked causes, 178 diagnostic checks with test points and expected values, and 35 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 waveform at central station

Waveform display missing at central station despite patient monitor active

Ranked causes

1. Central station software incompatible (occasional)
2. Cable connection loose or faulty (common)
3. Incorrect alarm or print location configuration (occasional)
4. Care unit name mismatch between devices (occasional)
5. IP addresses configured incorrectly (common)

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

Blood pressure waveforms do not appear on display

BP parameter labels, readings, and waveforms do not display; AR1 or PA2 not showing

Ranked causes

1. Faulty patient simulator or test cables (common)
2. Bent or broken pins on BP side panel connectors (occasional)
3. Broken continuity in BP signal path (occasional)
4. DAS assembly defect (occasional)

First check

Verify patient simulator and test cables on working monitor

Test point: Working monitor BP display
Expected: BP waveforms and parameters appear correctly

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

ECG waveforms do not display at all

No ECG waveforms appear on monitor display despite simulator connected

Ranked causes

1. Faulty ECG patient cables (common)
2. Faulty patient simulator (common)
3. Acquisition PCB defect (occasional)
4. Processor PCB or power supply PCB defect (rare)

First check

Test ECG patient cables

Test point: Working monitor ECG connector
Expected: ECG signal appears on working monitor

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

Invasive blood pressure waveforms do not appear on display patient safety

AR1 or PA2 parameter labels, readings, and waveforms not displayed on monitor; BP side panel shows no signal

Ranked causes

1. Patient simulator or cables faulty (common)
2. BP side panel connector pins bent or broken (occasional)
3. Continuity fault in BP signal path (occasional)
4. DAS assembly faulty (occasional)

First check

Verify patient simulator and BP cables on working monitor

Test point: Working monitor with suspect simulator and cables
Expected: AR1 and PA2 waveforms and parameters display normally

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

Review runtime error logs

Access and review software error logs stored in monitor for troubleshooting. View input/output errors with timestamps and parameters.

Ranked causes

1. Advanced troubleshooting required (occasional)
2. View output software errors (occasional)
3. View input software errors (occasional)
4. Clear error logs (occasional)

First check

Navigate to REVIEW ERRORS in Service Mode

Test point: Service Mode Menu display
Expected: REVIEW ERRORS option visible and selectable

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

802.11b association status incorrect (not 01)

Wireless LAN ID field shows association status other than 01, indicating monitor not connected to network or incorrect credentials

Ranked causes

1. SSID/PASS KEY incorrect (common)
2. Wireless card firmware requires reset (occasional)
3. Monitor not connected to network (occasional)

First check

Display WIRELESS LAN ID field

Test point: Monitor Setup Menu, REVISION AND ID, HARDWARE ID DISPLAY
Expected: WIRELESS LAN ID field displays status code (e.g., 01 G3.93-73e 55 04)

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

802.11b signal quality below threshold

WIRELESS LAN ID field shows signal quality status less than 20, indicating weak wireless signal or network coverage issue

Ranked causes

1. Monitor out of range from access point (common)
2. RF interference from nearby equipment (occasional)
3. Access point radio issue (occasional)

First check

Verify signal quality status value

Test point: WIRELESS LAN ID field third field value
Expected: greater than 20

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

Alarm audio does not sound caution

No audio output when alarm is triggered or during audio test

Ranked causes

1. Speaker cable loose or disconnected (common)
2. Speaker failed (occasional)
3. Audio circuit on processor PCB failed (occasional)

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

Buzz signal during ECG or BP patient safety

Unwanted buzz signal output during ECG or blood pressure measurement

Ranked causes

1. BP not zeroed (common)
2. BP not available (common)
3. ECG leads failed (occasional)

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

Buzz signal output instead of tone for ECG or BP alarms patient safety

Defib sync monitor outputs a buzz or buzzer tone instead of normal alarm tone for ECG or blood pressure measurements

Ranked causes

1. Blood pressure not zeroed (common)
2. Blood pressure signal not available or disconnected (occasional)
3. ECG leads disconnected from patient or monitor (occasional)

First check

Check BP zeroing status

Test point: Blood pressure module and monitor display
Expected: BP reference zeroed and displayed as baseline value
Tools: Monitor interface and BP module controls

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

Defib Sync: Buzz signal for ECG or BP patient safety

Incorrect buzz signal output during defibrillator sync when ECG or BP is active

Ranked causes

1. BP not zeroed (common)
2. BP not available (occasional)
3. ECG leads fail (common)

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

ECG waveforms display incorrectly with noise

Displayed ECG waveforms contain significant amount of noise instead of clean signal

Ranked causes

1. Faulty ECG patient cables (common)
2. Faulty patient simulator (occasional)
3. Acquisition PCB defect (rare)

First check

Verify calibration pulses are correct

Test point: Monitor display
Expected: Cal pulse amplitude: Lead I 0.5 mV, Lead II 1 mV, Lead III 0.5 mV, Lead V -0.5 mV, +/-20%

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

Internal lithium battery voltage low patient safety

Processor PCB internal lithium battery depleted; monitor powers up but one or more power-up tests fail; may be unable to maintain date/time

Ranked causes

1. Lithium battery depleted from age or excessive drain (common)
2. Battery switch S1 on processor PCB in OFF position (occasional)
3. Processor PCB defective or battery circuit failure (rare)

First check

Allow boot sequence to complete power-up tests

Test point: Boot diagnostics screen
Expected: One or more power-up tests fail; message 'DO YOU WISH TO CONTINUE MONITORING ANYWAY?' appears

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

Monitor cannot be viewed at central station or view other monitors

Monitor is not communicating with other monitors or central station over Wireless LAN; no network connectivity visible.

Ranked causes

1. Monitor not communicating with internal RF card (common)
2. Wireless LAN RF card disabled or inoperative (occasional)
3. Incorrect country configuration code mismatch (occasional)

First check

Check Wireless LAN communication status

Test point: Monitor Setup Menu REVISION AND ID
Expected: WIRELESS LAN ID displays with country, status, revision and date code

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

Network communication present but no data transfer

802.11 wireless communication status is 02 (connected to access point) but network data transfer not occurring or intermittent

Ranked causes

1. Network infrastructure or wired network unavailable (common)
2. Monitor out of range or RF interference (occasional)
3. Wireless card failure (rare)

First check

Verify association status in WIRELESS LAN STATUS screen

Test point: Service Mode, MONITOR SETTINGS, WIRELESS LAN STATUS, ASSOCIATION field
Expected: CONNECTED

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

Network Connector: no network connection with cable connected

Network cable connected to monitor's network connector but no network communication established

Ranked causes

1. Dash connected to docking station; network connector inactive (common)
2. Network disabled in boot code (occasional)
3. Optional Unity Network option not enabled (occasional)

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

No display output

Monitor powers on but display screen remains completely dark with no image; backlight may or may not be active

Ranked causes

1. Display in standby mode (common)
2. Backlight inverter defective (occasional)
3. Display assembly failure (occasional)

First check

Press Power button and wait for display activation

Test point: Display screen and backlight
Expected: Display image appears within 10 seconds of pressing Power button; backlight illuminates
Tools: Monitor power button and visual inspection

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

Noninvasive blood pressure (NBP) functions inadequate after calibration caution

NBP calibration unsuccessful or cannot be properly performed; potential pneumatic circuit leaks suspected

Ranked causes

1. Leaks in NBP cuff or tubing (common)
2. Internal pneumatic circuit plumbing leaks (occasional)
3. NBP pump assembly faulty (occasional)

First check

Inspect NBP cuff and tubing for visible leaks or cracks

Test point: NBP cuff and flexible tubing
Expected: No visible cracks, leaks, or deformations

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

Noninvasive blood pressure calibration or checkout unsuccessful

NBP checkout procedure shows calibration failure or NBP functions not working as designed

Ranked causes

1. Leaks in pneumatic circuit plumbing or NBP cuff/tubing (common)
2. Internal pneumatic circuit leaks or connection problems (occasional)
3. NBP pump assembly defect (occasional)

First check

Test NBP cuff and tubing on working monitor

Test point: Working monitor NBP connector
Expected: NBP functions and calibration complete successfully on working monitor

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

Printer does not print

No output from external writer or printer device

Ranked causes

1. Writer or printer is turned OFF (common)
2. Cables not properly connected (common)
3. Incorrect alarm or print configuration (occasional)

First check

Verify writer/printer power state

Test point: Power switch on writer/printer
Expected: ON

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

Respiration waveform or rate does not appear on display

No respiration waveform or respiration rate displayed despite simulator connected

Ranked causes

1. Incorrect respiration simulator settings (common)
2. Faulty patient simulator or cables (common)
3. Acquisition PCB defect (occasional)

First check

Verify respiration rate displayed and accurate

Test point: Monitor display RR parameter
Expected: Respiration rate displayed and matches simulator setting of 30 BPM

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

Saving message displayed and missing graph segments caution

Message displays during graph saving; printed output shows gaps or missing segments in waveform data

Ranked causes

1. Writer is busy processing previous graph (common)
2. Print head dirty or defective (occasional)
3. Writer is no longer available or graph location incorrectly set (rare)

First check

Verify writer not processing previous output

Test point: Writer mechanism and display
Expected: Writer quiet and idle between graph outputs; no mechanical noise or pending messages
Tools: Visual and audio observation

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

Battery error or failure patient safety

CHECK BATT STATUS or BATTERY ERROR message displayed in ECG waveform area indicating minor or serious battery/charger failure

Ranked causes

1. Battery hardware failure (occasional)
2. Charger communications failure (occasional)

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

Battery error serious patient safety

BATTERY ERROR message in ECG waveform area, system WARNING alarm, serious battery failure or incompatible battery installed

Ranked causes

1. Serious battery failure (occasional)
2. Incompatible battery installed (occasional)

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

Battery failure message displayed

Display shows 'CHECK BATTERY STATUS' or 'BATTERY ERROR' message indicating battery has experienced failure during use or charging

Ranked causes

1. Minor battery failure during charge/use cycle (occasional)
2. Serious battery failure (occasional)

First check

Observe battery status window for error indication

Test point: Battery Status Information Window
Expected: 'CHECK BATTERY STATUS' or 'BATTERY ERROR' message displayed

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

Battery fuel gauge shows ERROR patient safety

ERROR message displayed in Battery Fuel Gauge icon, battery is asleep, faulty, or unrecognized

Ranked causes

1. Battery in sleep mode (occasional)
2. Battery faulty or unrecognized (occasional)

First check

Check battery status screen in Service Menu

Test point: Service Menu battery status
Expected: Battery health status displayed

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

Battery stuck in sleep mode or faulty battery

Battery fuel gauge icon displays 'ERROR'; battery does not respond to normal charge operations; battery may not have been used for extended period

Ranked causes

1. Battery in sleep mode from disuse (common)
2. Battery faulty and unrepairable (occasional)

First check

Observe battery fuel gauge icon

Test point: Battery fuel gauge icon display
Expected: Battery icon shows normal charge level or 'ERROR'

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

Battery will not wake up

Battery fuel gauge displays ERROR; battery is asleep or faulty after prolonged non-use

Ranked causes

1. Battery in sleep mode (common)
2. Battery faulty (occasional)

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

Blood pressure waveforms display with noise or distortion

Invasive BP waveforms appear noisy, distorted, or fail to match expected clean display

Ranked causes

1. Faulty patient simulator or test cables (common)
2. Acquisition PCB defect (occasional)

First check

Verify BP waveforms are noise-free

Test point: Monitor display for AR1 and PA2
Expected: Both AR1 and PA2 BP waveforms noise-free as shown in reference figure

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

ECG waveforms display incorrectly patient safety

Displayed ECG waveforms contain significant noise; calibration pulses not correct

Ranked causes

1. ECG patient cables faulty (common)
2. Acquisition PCB faulty (occasional)

First check

Measure calibration pulse amplitude

Test point: ECG display with 1.0 mV input
Expected: Lead I: 0.5 mV, Lead II: 1 mV, Lead III: 0.5 mV, Lead V: –0.5 mV, +/–20%
Tools: Patient simulator (MARQII), monitor display

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

EEPROM data invalid or uninitialized patient safety

Monitor detects EEPROM data corruption on startup; GE factory defaults will be loaded; network and site configuration lost

Ranked causes

1. EEPROM chip data corruption or initialization failure (rare)
2. Processor PCB defective or EEPROM chip failure (occasional)

First check

Restore Ethernet and IP address configuration from Boot Code prompts

Test point: Boot Code configuration interface
Expected: Network address successfully entered and confirmed

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

Intermittent wireless communication

Monitor exhibits intermittent communication over Wireless LAN

Ranked causes

1. Monitor out of range from Access Point (occasional)
2. RF interference from external sources (occasional)

First check

Assess monitor location relative to Access Point range

Test point: Monitor physical location and Access Point coverage area
Expected: Monitor location within Access Point coverage; communication stable

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

Intermittent Wireless LAN communication

Monitor loses network connectivity intermittently; communication drops in and out.

Ranked causes

1. Monitor out of range of Access Point (common)
2. RF interference from other equipment or sources (occasional)

First check

Verify monitor is within Access Point range

Test point: Monitor location and Access Point proximity
Expected: Monitor within documented range of at least one Access Point

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

Internal writer does not print

No output from internal writer mechanism

Ranked causes

1. No paper in internal writer (common)
2. Paper not loaded properly (common)

First check

Verify paper is present in internal writer

Test point: Internal writer paper slot
Expected: Paper present

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

Invasive blood pressure waveforms display incorrectly patient safety

AR1 and/or PA2 BP waveforms appear noisy or distorted; BP parameter readings inaccurate

Ranked causes

1. Patient simulator or test cables faulty (common)
2. Acquisition PCB faulty (occasional)

First check

Generate dynamic BP waveforms at WAVE setting

Test point: AR1 and PA2 waveform displays on monitor
Expected: Both waveforms noise-free as per reference figure; AR1: Systolic 116–124 mmHg, Diastolic 78–82 mmHg; PA2: Systolic 28–32 mmHg, Diastolic 9–11 mmHg
Tools: Patient simulator (MARQII), BP cuff, monitor display

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

No network connection when cable connected

Network connectivity fails despite network cable being properly connected

Ranked causes

1. Monitor connected to docking station (common)
2. Unity Network option not enabled (occasional)

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

Optional Alarm Light Indicator: red or yellow lights not lit on boot caution

Red or yellow alarm indicator lights do not illuminate when monitor boots up

Ranked causes

1. Cable loose or disconnected (common)
2. LEDs burned out (occasional)

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

Optional Wireless Connection: intermittent or no waveform patient safety

Waveforms intermittently appear or do not display over wireless connection

Ranked causes

1. Network connection bad, wireless not enabled, or card not communicating (common)
2. Outside coverage area (occasional)

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

Optional Writer: paper output but no graph data caution

Paper comes out from writer but graph data is not printed on it

Ranked causes

1. Paper loaded incorrectly (common)
2. Print head dirty or defective (occasional)

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

Optional Writer: Saving Message displayed

Saving message appears, indicating writer is busy or no longer available

Ranked causes

1. Writer is busy (common)
2. Writer no longer available (occasional)

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

Pacemaker detection does not work properly patient safety

Pacemaker spikes not detected at correct amplitude or heart rate display inaccurate after VP1, VP2, or AVS input changes

Ranked causes

1. Patient simulator faulty (common)
2. Acquisition PCB faulty (occasional)

First check

Set patient simulator to VP1 output and enable pace detect PACE 2

Test point: ECG display with pacemaker detection enabled
Expected: Heart rate approximately 80 bpm, pacemaker spikes detected

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

Pacemaker detection not functioning patient safety

Pacemaker spikes not detected or displayed at correct amplitude; heart rate detection unreliable

Ranked causes

1. Faulty patient simulator (common)
2. Acquisition PCB defect (occasional)

First check

Verify VP1 waveform at approximately 80 bpm

Test point: Monitor heart rate display
Expected: Heart rate approximately 80 bpm

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

Paper output but no graph data shown

Paper comes out of writer but no graph data is visible on it

Ranked causes

1. Paper loaded incorrectly (common)
2. Printhead dirty or defective (common)

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

Paper output without graph data display caution

Paper advances and prints but no graph trace or waveform data appears on printed page

Ranked causes

1. Paper loaded incorrectly (common)
2. Print head dirty or defective (occasional)

First check

Verify paper installation and feed

Test point: Paper path through writer assembly
Expected: Paper correctly threaded through roller and printhead area; paper advances smoothly
Tools: Visual inspection

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

Power cord continuity failure caution

Power cord does not provide continuous electrical path through line, neutral, or ground conductors, or conductors are short-circuited

Ranked causes

1. Power cord strain relief damaged or broken conductor (common)
2. Line, neutral, or ground conductor not properly connected to plug (occasional)

First check

Test continuity through power cord conductors

Test point: Power cord plug terminals and connector
Expected: Continuous (no breaks)
Tools: DMM continuity function

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

Power cord damaged or intermittent high voltage

Physical damage to power cord, strain relief failure, or broken internal conductors causing intermittent power or no power

Ranked causes

1. Power cord strain relief failure (common)
2. Broken or loose conductor connections at plug (occasional)

First check

Test continuity through each power cord conductor

Test point: Power cord plug pins to connector at monitor power input
Expected: Continuity present on all three conductors (line, neutral, ground)
Tools: DMM continuity mode or ohmmeter

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

Real time clock failure at startup caution

Real time clock chip not running on boot; system cannot load Main Code until clock is started; may be unable to start clock

Ranked causes

1. Real time clock chip powered off or not responding to start command (occasional)
2. Real time clock chip defective; unable to start (rare)

First check

Monitor boot sequence for real time clock start message

Test point: Boot diagnostics display
Expected: One of two outcomes: clock started successfully OR unable to start clock error

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

Red or yellow alarm light does not illuminate on boot up

Monitor boots normally but indicator LEDs (red or yellow) do not light during power-up sequence

Ranked causes

1. Alarm light cable loose or disconnected (common)
2. LEDs burned out (occasional)

First check

Verify alarm light cable connections

Test point: Alarm light connector and cable
Expected: Cable fully seated and locked in connector; no loose, corroded, or missing pins
Tools: Visual inspection

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

Red or yellow alarm lights do not light on boot

Alarm light indicator LEDs do not illuminate during monitor startup

Ranked causes

1. Cable loose or disconnected (common)
2. LEDs burned out (occasional)

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

Respiration functions work on patient simulator but not on actual patient patient safety

Respiration waveform noisy or rate inaccurate when monitoring actual patient; functions work correctly with simulator

Ranked causes

1. Inadequate patient preparation for ECG electrode placement (common)
2. Patient has excessively high baseline chest impedance (rare)

First check

Verify ECG electrode placement and patient skin preparation

Test point: Patient chest ECG electrode sites
Expected: Clean, dry skin; electrodes properly adhered; good electrical contact

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

Respiration waveform functions correctly on simulator but noisy on actual patient patient safety

Clean respiration waveform on patient simulator but noisy or unreliable on patient

Ranked causes

1. Improper patient preparation or ECG electrode placement (common)
2. Excessively high baseline chest impedance in patient (occasional)

First check

Verify clean respiration waveform versus noisy patient waveform

Test point: Comparison of simulator waveform to patient waveform on display
Expected: Patient waveform should be similarly clean to simulator waveform if proper preparation completed

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

Saving message displayed during graph output

Saving message appears, preventing graph output

Ranked causes

1. Writer is busy (common)
2. Writer is no longer available (occasional)

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

Unit does not switch from battery to AC power

Unit plugged in but fails to transition from battery to AC power operation

Ranked causes

1. Power supply output voltage inadequate (common)
2. Processor/power management assembly failure (occasional)

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

Unit does not switch to AC from battery power

Unit is plugged in but does not switch to AC power from battery operation

Ranked causes

1. Power supply output voltage inadequate (common)
2. Processor/power management assembly failed (occasional)

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

Video Display: no display output caution

Display screen remains blank or does not turn on

Ranked causes

1. Display in standby mode (common)
2. Backlight inverter defective (occasional)

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

Waveform display not showing patient safety

Patient waveforms not displaying on monitor screen

Ranked causes

1. Patient cables are bad (common)
2. Acquisition PCB, DAS Assembly or power supply PCB failed (occasional)

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

Wireless LAN communication loss or delayed response

Dash 3000/4000/5000 monitor exhibits loss of waveforms, delayed communication response, or no wireless connectivity

Ranked causes

1. Wireless feature not enabled (common)
2. Wireless card not present or driver not installed (occasional)

First check

Identify wireless technology type

Test point: Monitor Setup Menu, REVISION AND ID, HARDWARE ID DISPLAY
Expected: WIRELESS LAN ID field visible with 802.11b or 802.11 technology

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

802.11 country code mismatch

802.11 wireless monitor configured for wrong country abbreviation code (international roaming), preventing communication with access point

Ranked causes

1. Country code incorrect for deployed location (rare)

First check

Display WIRELESS LAN ID field and verify country code

Test point: Monitor Setup Menu REVISION AND ID, HARDWARE ID DISPLAY
Expected: Country code matches current location (e.g., US 02 for United States)

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

802.11 SSID incorrect or not matching access point

802.11 wireless monitor communication status is 01 but not communicating with access point due to SSID mismatch

Ranked causes

1. SSID does not match access point NET ID (common)

First check

Verify SSID configuration matches access point

Test point: Service Mode, MONITOR SETTINGS, CONFIGURE WIRELESS LAN, SSID field
Expected: GEMS or access point NET ID as configured

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

Access Boot Loader service menu patient safety

Technician needs to enter Boot Loader menu for software downloads or serious equipment failures. Activated via front panel button sequence.

Ranked causes

1. Need to download Boot Code or Main Code software (common)

First check

Hold NBP GO/STOP and ZERO ALL buttons

Test point: Front panel controls
Expected: Buttons held down without release

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

More symptoms

Access Service Mode menu from Main Menu
Alarm broadcast text in English when Japanese language selected
Alarm pause duration three minutes with French language setting
Bars or strips of pixels missing on display
Battery condition – battery requesting conditioning cycle
Battery condition – incompatible battery installed
Battery failure minor
Battery low or empty
Battery low warning
Battery low warning message displayed
Boot code and main code version mismatch
Boot Flash test failure
Calibration: Analog output BP
Calibration: Analog output ECG
Calibration: Blood pressure analog output
Calibration: CPU assembly
Calibration: Display assembly
Calibration: ECG analog output
Calibration: NBP assembly
Calibration: NBP software
Calibration: Noninvasive blood pressure (NBP)
Centralscope central station not visible to monitor on network
Change Internet (IP) address via Boot Loader
Charger failure message displayed
Checkout: DAS assembly
Checkout: Keypad and Trim Knob assembly
Checkout: NBP assembly
Checkout: Power supply assembly
Checkout: Speaker assembly
Checkout: Wireless LAN module
Checkout: Writer and writer flex
Continuous NBP alarms occur
Ground-neutral loop resistance excessive
Ground-to-neutral loop resistance out of tolerance
Handle assembly removal and replacement
Internal charger failed
Lead fail detection does not function properly
Lead fail detection not functioning
Main Flash test failure
Markers missing on respiration waveform; respiration rate inaccurate
Masimo SET or Nellcor SPO2: probe or module malfunction
Masimo SET SpO2 probe or module malfunction
Missing pixels or bars on display in rows or columns
Missing segments in graph data
Monitor appears locked up during network download
Monitor appears locked up during PC download
Monitor powering down due to empty battery
NBP alarms occurring continuously
No paper output from optional writer
No paper output from optional writer despite graphing display
Optional Writer: missing segments in graph data
Optional Writer: no paper output
Remote control does not activate display
Respiration rate inaccurate or markers missing from waveform
RF LAN card communicating with Access Point but network unavailable
RF LAN card not communicating with Access Point
Run graph test pattern
Set monitor bed number for network
Set monitor Internet (IP) address for network
Set monitor patient type configuration
Set monitor unit name for network
Software revision window does not list part numbers
Special characters not displayed in network messages
Static RAM test failure
Text input restricted to English with Japanese language setting
Unit powering down due to empty battery
Video Display: missing rows or columns of pixels
Waveforms do not appear at central station
WIRELESS LAN STATUS screen shows abnormal values

69 more symptoms with ranked causes and checks are in ServiceForge. Connect ServiceForge to your AI

Error codes

Code	Meaning	Trigger	Severity
`400-4FF`	Network errors detected	Network communication failure or configuration issue	error
`703`	Diagnostic tests were completed	Successful completion of system diagnostic test procedure	info
`70B`	Internet address was changed from this patient monitor	Network address modified on this monitor	info
`70C`	Video test was completed	Video display diagnostic test performed	info
`70E`	Time was changed from this patient monitor	System time modified on this monitor	info
`70F`	Date was changed from this patient monitor	System date modified on this monitor	info
`710`	Incompatible software was detected	Main processor software detected communication software incompatibility	error
`BATTERY ERROR`	Serious battery failure	Serious battery failure during use or charging	error
`BATTERY LOW`	Low battery warning	10 minutes (single battery) or 20 minutes (dual battery) of run time remaining	warning
`Boot Code version incompatible with Main Code`	VERSION OF BOOT CODE IS NOT COMPATIBLE WITH VERSION OF MAIN CODE CURRENTLY STORED IN FLASH	Boot Code version does not match Main Code version during system startup	error
`Boot Flash test FAILED`	Boot Code stored in Flash memory is not valid; Main Code cannot be loaded	Flash memory self-test detects invalid Boot Code during startup	critical
`Boot Flash test FAILED / Boot Code invalid`	Boot Code stored in Flash memory is invalid or corrupted; cannot load Main Code	Boot Flash memory test fails during system startup	error
`CHECK BATT STATUS`	Battery or charger failure detected	Minor battery failure during use or charging, or charger communications failure	warning
`CONDITION`	Battery conditioning cycle requested	Battery requires conditioning cycle	info
`EEPROM data INVALID or uninitialized`	EEPROM memory contains invalid data or has not been initialized; GE factory defaults will be stored	System detects EEPROM data corruption or uninitialized state during boot	warning
`ERROR COPYING UNIT DEFAULTS - COUNTRY CODE MISMATCH`	The server and client patient monitors are set to different country codes (i.e. DEFAULT or FRANCE).	Server and client monitors configured with different country codes	error
`ERROR COPYING UNIT DEFAULTS - DATA CORRUPTION ERROR`	The patient monitor defaults transferred have become corrupted, possibly due to a memory error.	Data corruption during defaults transfer	error
`ERROR COPYING UNIT DEFAULTS - NETWORK ERROR`	Either an error has occurred while the defaults were being transferred, or defaults have not been saved on the server patient monitor.	Error during defaults transfer or defaults not saved on server	error
`ERROR COPYING UNIT DEFAULTS - SOFTWARE FEATURE LEVEL MISMATC`	The server and client patient monitors are set to different software levels (i.e. Basic, Cardiac, Cardiopulmonary).	Server and client monitors configured with different software feature levels	error
`ERROR COPYING UNIT DEFAULTS - SOFTWARE VERSION MISMATCH`	The server and client patient monitors have different software versions (i.e. V2C, V3A).	Server and client monitors running different software versions	error
`ERROR COPYING UNIT DEFAULTS - UNIT TYPE MISMATCH`	The server and client patient monitors are set to different unit types (i.e. ADULT, NEO, or OR)	Server and client monitors configured with different unit types	error
`ERROR: THE INTERNAL BATTERY THAT MAINTAINS THE MONITOR'S DEF`	Internal backup battery for default settings has failed; monitor configuration at risk	Battery voltage drops below operating threshold during power-off retention test	critical
`ERROR - UNIT DEFAULTS HAVE NOT BEEN SAVED`	Patient monitor defaults were not saved on the server patient monitor due to a memory error in the patient monitor.	Memory error in patient monitor during defaults save	error
`INTERNAL CHARGER FAILED, CALL SERVICE`	Charger communications failure	Charger unable to communicate with monitor	error
`Internal lithium battery is LOW`	Processor PCB backup battery voltage is low; may impact RTC and configuration retention	Battery voltage drops below operating threshold during power-up test	warning
`Main Flash test FAILED`	Main Code stored in Flash is not valid; system cannot boot properly	Flash memory self-test detects invalid Main Code during startup	critical
`Main Flash test FAILED / Main Code invalid`	Main Code stored in Flash memory is invalid or corrupted; cannot load	Main Flash memory test fails during system startup	error
`POWERING DOWN`	Empty battery warning	No battery run time remaining	critical
`Real Time Clock FAILED`	Real time clock chip is not running; Main Code cannot load until chip is started	Real time clock chip non-functional during boot sequence	error
`Real Time Clock FAILED - will not start`	Real time clock chip not running; cannot load Main Code until started or confirmed defective	Real time clock not responding during boot initialization	warning
`Static RAM test FAILED`	SRAM memory test failed; cannot load Main Code until test passes	Static RAM memory test fails during boot diagnostics	error
`WARNING: Boot Code incompatible with Main Code version`	Version mismatch between Boot Code and Main Code in Flash memory	Boot Code version does not match Main Code version during boot sequence	warning
`WARNING: EEPROM data INVALID or uninitialized`	EEPROM memory corrupted or not initialized; GE factory defaults loaded	Monitor detects invalid EEPROM data during boot initialization	warning
`WARNING: The EEPROM data was found to be either INVALID or u`	EEPROM memory corrupted or not initialized; factory defaults will be loaded	EEPROM checksum or format error detected at startup	warning
`WARNING: THIS VERSION OF BOOT CODE IS NOT COMPATIBLE WITH TH`	Boot Code and Main Code versions are incompatible; system cannot execute	Version mismatch detected during Boot Code initialization	warning

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.