Patient monitors · IntelliVue family

Philips MX400: troubleshooting and error codes

The ServiceForge knowledge base holds 189 documented symptoms for the Philips MX400, with 492 ranked causes, 113 diagnostic checks with test points and expected values, and 76 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

AC Power LED does not light up

Power indicator LED remains off when AC is connected

Ranked causes

1. Cable between AC/DC and system interface board disconnected (common)
2. Cable between main board and power switch board disconnected (common)
3. LED defective (occasional)
4. Power supply output voltage out of specification (occasional)
5. I/O board defective (rare)
6. Advanced System Interface board defective (rare)
7. Panel adapter board defective (rare)
8. Recorder board or rack board defective (rare)
9. Standard system interface board defective (rare)
10. Main Board defective (rare)

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

External touch screen not functioning

External touch display input not responding to user interaction

Ranked causes

1. Touchscreen functionality temporarily disabled via padlock symbol (unknown)
2. Touchscreen functionality permanently disabled in service mode (unknown)
3. External Touch cable not connected (unknown)
4. External Touch driver configuration issue (unknown)
5. Dual MIB I/O board or advanced connector board defective (unknown)
6. External touch defective (unknown)
7. Standard connector board defective (unknown)
8. Main board defective (unknown)

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

External Touch Screen not functioning caution

External touchscreen does not respond to input or is disabled

Ranked causes

1. Touchscreen temporarily disabled (common)
2. Touchscreen permanently disabled (occasional)
3. External Touch cable not connected (common)
4. External Touch driver configuration issue (occasional)
5. Dual MIB I/O board or advanced connector board defective (rare)
6. External touch defective (occasional)
7. Standard connector board defective (rare)
8. Main board defective (rare)

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

Green Power On LED and Red Error LED remain off after pressing power on button

Neither green nor red LED illuminates when power button is pressed

Ranked causes

1. Power Switch Micro Controller hung (common)
2. Power switch board not connected correctly to main board (common)
3. Power switch board defective (occasional)
4. I/O Board defective (rare)
5. Advanced system interface board defective (rare)
6. Multiple board defects (IIT, WLAN, panel adapter, recorder, rack board) (rare)
7. Standard system interface board defective (rare)
8. Main board defective (rare)

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

AC LED does not light up

Power LED fails to illuminate when AC power is connected to monitor

Ranked causes

1. Cable between AC/DC and system interface board disconnected (common)
2. Cable between main board and power switch board disconnected (common)
3. LED defective (occasional)
4. Power supply defective (occasional)
5. I/O board defective (rare)
6. Advanced System Interface board defective (rare)
7. Main board defective (rare)

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

External device not receiving data

External device connected via MIB/RS232 port is not receiving data

Ranked causes

1. MIB/RS232 port not configured for data export (common)
2. Wrong data export protocol driver configured (common)
3. Cable between external device and monitor not connected or defective (common)
4. External device does not support data export protocol version (occasional)
5. Terminal concentrator does not support dynamic speed negotiation (rare)
6. MIB/RS232 board in wrong slot (rare)
7. MIB/RS232 board is defective (rare)

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

External device not receiving data (Nurse Call Relay)

Data not transmitted to nurse call system from monitor

Ranked causes

1. RS232/5V port not configured for data export (common)
2. Wrong cable type used (common)
3. Wrong data export protocol driver configured (occasional)
4. Cable connection incorrect or defective (common)
5. External device protocol version incompatible (occasional)
6. Terminal concentrator does not support dynamic baud rate (rare)
7. Advanced system interface board defective (rare)

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

External device not receiving data (RS232/5V Interface)

Data export from monitor to external device fails on RS232/5V port

Ranked causes

1. MIB/RS232 port not configured for data export (common)
2. Wrong data export protocol driver configured (occasional)
3. Cable connection incorrect or defective (common)
4. External device protocol version incompatible (occasional)
5. Terminal concentrator does not support dynamic baud rate (rare)
6. MIB/RS232 board in wrong slot (occasional)
7. MIB/RS232 board defective (rare)

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

External device not receiving data via RS232/5V

External device connected to RS232/5V port is not receiving data

Ranked causes

1. RS232/5V port not configured for data export (common)
2. Wrong cable type in use (common)
3. Wrong data export protocol driver configured (common)
4. Cable between external device and monitor not connected or defective (common)
5. External device does not support data export protocol version (occasional)
6. Terminal concentrator does not support dynamic speed negotiation (rare)
7. Advanced system interface board is defective (rare)

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

External display blank

Slave display connected via video port shows no image

Ranked causes

1. Integrated display also blank - check integrated display troubleshooting (unknown)
2. Option J15 (Adaptive Slave Display) not installed (unknown)
3. Video cable to external display not connected (unknown)
4. External display has no power (unknown)
5. External display is defective (unknown)
6. Connector Board defective (unknown)
7. Main board defective (unknown)

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

Integrated touch screen not functioning

Touch input not responding to user interaction with screen

Ranked causes

1. Touchscreen functionality temporarily disabled via padlock symbol (unknown)
2. Touchscreen functionality permanently disabled in service mode (unknown)
3. Touch screen not connected (unknown)
4. Cable between main board and panel adapter board not connected (unknown)
5. Panel adapter board defective (unknown)
6. Touch screen defective (unknown)
7. Main board defective (unknown)

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

Integrated Touch Screen not functioning caution

Touch screen does not respond to user input or is disabled

Ranked causes

1. Touchscreen temporarily disabled (common)
2. Touchscreen permanently disabled (occasional)
3. Touch screen not connected (occasional)
4. Cable between main board and panel adapter not connected (occasional)
5. Panel adapter board defective (rare)
6. Touch screen defective (occasional)
7. Main board defective (rare)

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

Alarm LEDs remain off patient safety

Alarm indicator LEDs do not illuminate during boot or operation

Ranked causes

1. INOPS condition exists (common)
2. Cable between main board and panel adapter board not connected (common)
3. Cable between panel board and Alarm LED board not connected (common)
4. Alarm LED board defective (occasional)
5. Panel adapter board defective (occasional)
6. Main board defective (rare)

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

Alarm occurs but LED does not light caution

Alarm condition detected and sounded but no visual LED indication

Ranked causes

1. Environmental lighting too bright (common)
2. Cable between main board and panel adapter defective (occasional)
3. Alarm LED board cable disconnected (occasional)
4. Alarm LED board defective (occasional)
5. Panel adapter board defective (occasional)
6. Main board defective (occasional)

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

Alarm occurs but no LED lights up

Alarm triggered but LED indicator not illuminating; display may be difficult to see

Ranked causes

1. Environmental lighting too bright (common)
2. Cable between main board and panel adapter defective (occasional)
3. Alarm LED board cable disconnected (occasional)
4. Alarm LED board defective (occasional)
5. Panel adapter board defective (occasional)
6. Main board defective (rare)

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

External Display blank caution

Slave display connected via video interface shows no image

Ranked causes

1. Option #J15 not installed (occasional)
2. Video cable not connected (common)
3. External display has no power (occasional)
4. External display defective (rare)
5. Connector Board defective (rare)
6. Main board defective (rare)

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

Integrated display blank or brightness reduced caution

Display is blank or has reduced brightness, affecting visibility of monitor information

Ranked causes

1. Display brightness reduced due to temperature (occasional)
2. Backlight cable not connected (occasional)
3. Panel adapter board defective (occasional)
4. Ambient Light Sensor on Alarm LED board defective (rare)
5. LCD Flat panel defective (occasional)
6. Main board defective (rare)

First check

Connect external display to video port to test

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

Integrated display blank or brightness reduced caution

Display shows no image or reduced brightness, affecting monitor visibility

Ranked causes

1. Display overheating from high ambient temperature or nearby instruments (unknown)
2. Backlight cable or panel adapter to main board cable not connected (unknown)
3. Panel adapter board defective (unknown)
4. Ambient Light Sensor on Alarm LED board defective (unknown)
5. LCD Flat panel defective (unknown)
6. Main board defective (unknown)

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

Printer not available or unreachable

Printer unavailable, offline, or not communicating; print jobs cannot be queued or are stalled

Ranked causes

1. Printer disabled in setup menu (common)
2. Printer power is off (common)
3. Printer paper tray empty (common)
4. Cabling not connected correctly (occasional)
5. Standard system interface board defective (rare)
6. Advanced system interface board defective (rare)

First check

Verify printer is powered on

Test point: Printer power switch, status indicator
Expected: Printer power indicator lit, device responding

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

Red Error LED stays on continuously

Power error indicator remains illuminated continuously (not blinking or changing)

Ranked causes

1. External connected device defective (common)
2. I/O Board defective (common)
3. Advanced system interface board defective (occasional)
4. Multiple board defects (IIT, WLAN, panel adapter, recorder, rack board) (rare)
5. Standard system interface board defective (rare)
6. Main board defective (rare)

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

Barcode scanner cannot read barcodes

Lights and sounds function, but scanner fails to read or decode barcodes

Ranked causes

1. Scanner held at wrong distance from barcode (common)
2. Scanner window not clean or blocked (common)
3. System does not recognize barcode format (occasional)
4. System does not recognize scanner (occasional)
5. Scanner has mechanical problem (occasional)

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

Check Alarm Lamps INOP message caution

Problem detected with alarm LED display system

Ranked causes

1. Alarm LED board cable disconnected (common)
2. Alarm LED board defective (occasional)
3. Cable between panel adapter and main board faulty (occasional)
4. Panel adapter board defective (occasional)
5. Main board defective (occasional)

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

INOP Message Check Alarm Lamps issued

Alarm LED board disconnected or defective or cable/adapter board issue

Ranked causes

1. Alarm LED board cable disconnected (MX430/450/500/550 and XG50 only) (common)
2. Alarm LED board defective (MX430/450/500/550 and XG50 only) (occasional)
3. Cable between panel adapter and main board not connected or defective (occasional)
4. Panel adapter board defective (occasional)
5. Main board defective (rare)

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

Keyboard/Mouse or USB device not functioning caution

USB-connected input devices do not respond to input

Ranked causes

1. Device not connected properly (common)
2. Device defective (occasional)
3. USB connector defective (occasional)
4. Advanced system interface board defective (rare)
5. Standard system interface board defective (rare)

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

Keyboard/Mouse or USB devices not functioning

USB peripherals attached directly to monitor not responding

Ranked causes

1. Device not connected properly (unknown)
2. Device defective (unknown)
3. USB connector defective (unknown)
4. Advanced system interface board defective (unknown)
5. Standard system interface board defective (unknown)

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

Monitor alarmed but Nurse Call did not activate patient safety

Patient alarm triggered but Nurse Call relay system did not activate

Ranked causes

1. Incorrect configuration of relay latency or trigger (common)
2. Cable connection to monitor or nurse call system not correct (common)
3. Advanced system interface board defective (rare)
4. Standard system interface board defective (rare)
5. Flexible Nurse Call Relay I/O board defective (rare)

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

Monitor has LAN connection but no IP address caution

Unsupported LAN INOP message displayed. Monitor connected but cannot obtain IP address assignment.

Ranked causes

1. Network infrastructure failure or misconfiguration (common)
2. Monitor connected to wrong network (occasional)
3. IP address conflict (occasional)
4. IIT infrastructure not found (occasional)
5. Monitor not being monitored at central station (unknown)

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

Power On/Off LED remains off after pressing power button

Green Power On LED and Red Error LED do not illuminate when power button is pressed

Ranked causes

1. Power Switch Micro Controller hung (common)
2. Power switch board not connected to main board (common)
3. Power switch board defective (occasional)
4. I/O board defective (occasional)
5. Main board defective (rare)

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

Printer device unavailable status message

Status message 'Print device Local 1 (Local 2) unavailable' is issued and printer job is stalled

Ranked causes

1. Printer not switched on (common)
2. Printer paper tray empty (common)
3. Cabling not connected correctly (occasional)
4. Standard system interface board defective (rare)
5. Advanced system interface board defective (rare)

First check

Verify printer power

Test point: Printer power switch
Expected: Printer powered on and ready

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

Remote control (wired) not recognized by monitor

Wired remote control connected via USB not responding

Ranked causes

1. USB connector defective (unknown)
2. Advanced connector board defective (unknown)
3. Standard system interface board defective (unknown)
4. Remote Control not plugged according to USB connection rules (unknown)
5. Remote Control defective (unknown)

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

Alarm LEDs remain off patient safety

Alarm indicator lights do not illuminate during startup or alarm condition

Ranked causes

1. Cable between panel adapter and alarm LED board disconnected or defective (common)
2. Alarm LED board defective (occasional)
3. Panel adapter board defective (occasional)
4. Main board defective (rare)

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

Alarm occurs but no alarm sound is issued

Alarm triggered visually but no audible alert; volume or system setting issue

Ranked causes

1. Audible alarm indicators switched off (common)
2. Volume set to 0 (common)
3. Speaker defective (occasional)
4. Sound amplifier on main board defective (occasional)

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

Alarm occurs but no alarm sound issued patient safety

Alarm condition detected but no audio alert produced

Ranked causes

1. Audible alarm indicators switched off (common)
2. Volume set to 0 (common)
3. Speaker defective (occasional)
4. Sound amplifier on main board defective (occasional)

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

Alarm on screen but no LED or sound on device patient safety

Alarm displayed on monitor but remote alarm device has no LED or audible indication

Ranked causes

1. Cabling not connected (common)
2. Cabling defective (occasional)
3. I/O board defective (rare)
4. Remote Alarm Device defective (occasional)

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

Gas analyzer connected to RS232 port not functioning

Gas analyzer device connected to MIB/RS232 port is not operational

Ranked causes

1. MIB/RS232 port not configured for Gas Analyzer (common)
2. Cable between Gas Analyzer and monitor not connected or defective (common)
3. MIB/RS232 board in wrong slot (occasional)
4. MIB/RS232 board is defective (rare)

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

Gas Analyzer connected to RS232 port not functioning

Gas Analyzer device not receiving power or responding on MIB/RS232 interface

Ranked causes

1. MIB/RS232 port not configured for Gas Analyzer (common)
2. Cable connection incorrect or defective (common)
3. MIB/RS232 board in wrong slot (occasional)
4. MIB/RS232 board defective (rare)

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

Gas Analyzer connected to RS232/5V port not functioning

Gas Analyzer device not responding on RS232/5V port

Ranked causes

1. RS232/5V port not configured for Gas Analyzer (common)
2. Wrong cable type used (common)
3. Cable connection incorrect or defective (common)
4. Advanced system interface board defective (rare)

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

Gas analyzer on RS232/5V port not functioning

Gas analyzer device connected to RS232/5V port on advanced system interface board is not operational

Ranked causes

1. RS232/5V port not configured for Gas Analyzer (common)
2. Wrong cable type in use (common)
3. Cable between Gas Analyzer and monitor not connected or defective (common)
4. Advanced system interface board is defective (rare)

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

IIT Communication Test failure

Monitor IIT module fails to communicate with access point; RSSI values abnormal, connection status shows Inactive/Seeking, or MAC IIT shows 0000 0000 0000

Ranked causes

1. IIT RF Access Code not set or incorrect (common)
2. IIT antenna damaged or connector loose (occasional)
3. IIT adapter communication failure with monitor (rare)
4. Access point unreachable or incorrect antenna installation (occasional)

First check

Set IIT RF Access Code in profiles

Test point: Main Setup -> Network -> Setup IIT menu
Expected: RF Access Code set in each profile to match installation

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

INOP message Bad MSL issued

Measurement extension defective or too many modules or incorrect connections or parameter board defective

Ranked causes

1. Measurement extension or Multi-Measurement Module defective (common)
2. Too many Multi-Measurement Modules connected (occasional)
3. Incorrect connections or cable damage (occasional)
4. Parameter board defective (occasional)

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

INOP message MSL Device Unsupp issued

Wrong software revision or too many modules or unsupported module type or wrong monitor model

Ranked causes

1. Wrong software revision (common)
2. Too many Multi-Measurement Modules connected (occasional)
3. Unsupported type of Multi-Measurement Module connected (e.g., M3000A) (occasional)
4. Module Rack connected to incompatible monitor model (occasional)

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

INOP Message Speaker Malfunction displayed

Speaker or amplifier issue; audible alarms not functioning

Ranked causes

1. Speaker cable disconnected (common)
2. Cable between power switch/ECG board and main board disconnected (occasional)
3. Speaker defective (occasional)
4. Sound amplifier on main board defective (occasional)

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

Monitor alarmed, Nurse Call did not activate patient safety

Monitor triggers alarm but Nurse Call relay does not respond

Ranked causes

1. Incorrect configuration (Relay latency, Relay trigger) (common)
2. Cable connection to monitor or nurse call system not correct (common)
3. Advanced system interface board defective (occasional)
4. Standard system interface board defective (occasional)

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

No Test Sound issued

Speaker does not produce audible tone during boot self-test

Ranked causes

1. INOPS condition exists (common)
2. Speaker defective (common)
3. Power switch/ECG output sync board defective (occasional)
4. Main board defective (rare)

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

Printout appearance incorrect

Printed reports have unexpected format, missing content, color issues, or resolution problems

Ranked causes

1. Printer paper size not correctly configured (common)
2. Printer resolution not correctly configured (common)
3. Color support enabled but printer does not support color (occasional)
4. Printer not compatible with monitor (rare)

First check

Verify printer paper size configuration

Test point: Printer setup menu, paper size setting
Expected: Paper size matches loaded media type

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

Printouts not as expected

Printer output does not match expected formatting or appearance

Ranked causes

1. Printer paper size not correctly configured (common)
2. Printer resolution not correctly configured (common)
3. Printer color support configured incorrectly (occasional)
4. Printer not compatible (rare)

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

Recorder M1116C not communicating with system

Recorder M1116C is not communicating and not printing

Ranked causes

1. Poor connection to rack (common)
2. Multiple recorder modules installed (occasional)
3. Monitor not configured properly (occasional)
4. Recorder defective (rare)

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

Recorder not communicating with system

Recorder module is not communicating with the monitor system

Ranked causes

1. Poor connection to the module rack (common)
2. Multiple recorder modules installed (occasional)
3. System not configured properly (occasional)
4. Recorder board defective (rare)

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

Recorder not communicating with system

Recorder module not responding to monitor commands

Ranked causes

1. Poor connection to the module rack (common)
2. Only one recorder module may be used with each monitor (occasional)
3. System not configured properly (occasional)
4. Recorder board defective (rare)

First check

Observe LED flash after reseat

Test point: Recorder module LED
Expected: LED flashes after reconnection

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

Recorder not communicating with system, not printing (M1116C)

Recorder module fails to receive commands and does not print

Ranked causes

1. Poor connection to rack (common)
2. Only one recorder module may be used with each monitor (occasional)
3. Monitor not configured properly (occasional)
4. Recorder defective (rare)

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

Remote Control not recognized by monitor caution

Wired remote control connected but not detected by monitor

Ranked causes

1. USB connector defective (occasional)
2. Advanced connector board defective (rare)
3. Standard system interface board defective (rare)
4. Remote Control defective (occasional)

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

Speaker Malfunction INOP displayed caution

Monitor detects fault in audio alarm speaker circuit

Ranked causes

1. Speaker cable disconnected (common)
2. Cable between power switch/ECG board and main board disconnected (occasional)
3. Speaker defective (occasional)
4. Sound amplifier on main board defective (occasional)

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

Agent mixture detected patient safety

Two or three anesthetic agents detected in gas sample; measurement validity may be compromised

Ranked causes

1. Three or more agents in sample; invalid measurement (rare)
2. Two agents in sample; valid measurement (occasional)
3. Two agents with identification or accuracy problem (occasional)

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

Barcode scanner does not function

No lights, no sound; scanner cannot read barcodes; device non-responsive

Ranked causes

1. Scanner not plugged into USB port (common)
2. System does not recognize scanner (occasional)
3. Scanner has mechanical problem (occasional)

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

Gas analyzer unable to measure gas patient safety

Displays -?- in numerics with INOP tone; gas analyzer cannot take or process measurement

Ranked causes

1. Water trap full or disconnected (common)
2. Sample line or exhaust line kinked or occluded (common)
3. Faulty hardware component (occasional)

First check

Inspect water trap level and connections

Test point: Water trap, sample line, monitor connection ports
Expected: Water trap not full, sample line and water trap both connected

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

INOP Bad Server Link issued

Unexpected data detected on MSL; incompatible software or communication failure

Ranked causes

1. Unexpected data detected on MSL (occasional)
2. Module with incompatible software revision connected (occasional)
3. Communication between components not functioning (occasional)

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

INOP Bad Server Link issued caution

Monitor unable to communicate with measurement server

Ranked causes

1. Unexpected data on MSL (occasional)
2. MMS with incompatible software revision (occasional)
3. Communication between components not functioning (occasional)

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

INOP message Msmt Ext. Unsupp issued

Unsupported measurement extension connected or defective or Multi-Measurement Module failure

Ranked causes

1. Unsupported measurement extension connected (common)
2. Measurement extension defective (occasional)
3. Multi-Measurement Module defective (occasional)

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

IntelliVue 802.11 Bedside Adapter not communicating

Monitor fails to establish or maintain wireless connection to access point; WLAN Diagnostic shows disconnected status or missing values

Ranked causes

1. WLAN configuration settings incorrect or mismatched to infrastructure (common)
2. Poor antenna placement or signal obstruction (occasional)
3. Access point unreachable or incorrect credential settings (occasional)

First check

Configure WLAN mode, SSID, country code, and security settings

Test point: Main Setup -> Network -> Setup WLAN menu
Expected: Mode set to match infrastructure; SSID set; Country code 1000; Security Mode set; keys entered

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

Measurement Server Configuration not supported caution

Monitor displays message about unsupported measurement server configuration

Ranked causes

1. Unsupported MMS Extension connected (common)
2. MMS Extension defective (occasional)
3. Measurement Server defective (occasional)

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

More symptoms

Measurement Server does not start, LEDs normal
Monitor alarmed, Nurse Call not activated (Flexible)
Multi-Measurement Module does not start but LEDs are normal
No ECG-OUT signal to defibrillator
No test sound issued
Power Loss Alarm Buzzer not sounding
Power Loss Alarm Buzzer not working; Power Loss Alarm Buzzer Test fails
Power On/Off LED switches between red and yellow
Power On/Off LED switches between red and yellow
Red Error LED stays on continuously
Remote control (wireless) not functioning
Remote Control not functioning (wireless)
SRR communication aborted with Interference or Invalid Chan INOP
Tympanic thermometer does not function
Wireless Remote Control not functioning
Alarm LEDs on but no alarm sound
Calibration: Microstream CO2 leakage check with M1026-60144 flowmeter
Calibration: NBP accuracy
Communication dropouts or gaps in parameter waves
Communication dropouts or gaps in parameter waves with SRR Interference INOP
Disabling/Enabling Touch Operation
Gas analyzer zero calibration failed
INOP message Check Nurse Call Relay
Measurement malfunction INOP after reassembly
Measurement selection icon changes to SRR but assignment fails with Interference INOP
Measurement selection icon does not change to SRR
Monitor does not have LAN connection
No network icon or network icon flashes
Paper not feeding properly
Paper not feeding properly (M1116C)
Poor print quality
Poor print quality (M1116C)
Poor print quality from recorder
Print command issued but no report printed
Printer print job queuing fails
Recorder M1116C paper not feeding properly
Recorder M1116C poor print quality
Recorder paper not feeding properly
Recorder will not run
Recorder won't run
Remote printer device unavailable
Remote printer print queue full or unavailable
SRR communication aborted
System thinks door is open when it is not
System thinks recorder door is open when it is not
System thinks recorder is out of paper when it is not
System thinks recorder is out of paper when it is not
Temperature reading is unusually low
Alarm sound issued but no LEDs lit
Batt Empty INOP tone with battery LED flashing
Batt Empty INOP with battery LED flashing
Batt Incompat INOP tone
Batt Incompat INOP tone issued
Batt Low INOP tone
Batt Low INOP tone issued
Battery Malfunct INOP tone with battery LED flashing
Battery Malfunct INOP with LED flashing
Calibration: Flow rate adjustment
Calibration: Flow rate check
Calibration: Gas accuracy check
Calibration: IntelliBridge performance test
Calibration: Invasive pressure performance
Calibration: Leak check
Calibration: Mainstream CO2 accuracy
Calibration: NBP leakage test
Calibration: NBP linearity test
Calibration: NBP valve test
Calibration: Pressure sensor test
Calibration: Recorder performance test M1116C
Calibration: Sidestream CO2 accuracy
Calibration: Sidestream CO2 flow check
Calibration: Temperature performance
Calibration: Touchscreen
Calibration: Zero calibration
Charger Malfunct INOP tone with battery LED possibly flashing
Charger Malfunct INOP with battery LED possibly flashing
Check Batt Temp INOP tone
Check Batt Temp INOP tone issued
ChkAudioSettings INOP issued
Content of recording is not as expected (M1116C)
ECG Out function does not function
ECG Out function does not function
Error 12 displayed
External touch position invalid
Flexible Nurse Call Relay not responding
Gas analyzer component malfunction
Gas analyzer malfunction
Gas analyzer overheated
Gas analyzer overrange condition
Image sticking on LCD display
Image sticking on LCD display
INOP EcgOut Equip Malf is issued
INOP EcgOut Equip Malf message
INOP message Check Nurse Call Relay is issued
INOP message Check Nurse Call Relay is issued (Flexible)
INOP Message Serverlink Malf displayed with beep every two seconds
INOP Serverlink Malf issued with beep every two seconds
Measurement selection icon does not change to SRR
Measurement Server does not start up, no LEDs active
Measurement supported by server does not appear on monitor
Measurement supported by server does not appear on monitor
Monitor AC powered voltage out of specification
MSL connector pins damaged or misaligned
MSL Power High INOP issued
MSL Power High INOP issued
MSL Power Off INOP issued
MSL Power Off INOP issued
MSL Power Overload INOP issued
MSL Power Overload INOP issued
Multi-Measurement Module does not start up; no LEDs active, no INOP or prompt
No ECG-OUT signal to the Defib
Nurse Call Relay not responding
Prompt Local recorder door open when it is not (M1116C)
Prompt Local recorder out of paper when it is not (M1116C)
Prompt message Too many modules connected issued
Recorder does not lock into rack (M1116C)
Recorder M1116C does not lock into rack
Recorder M1116C false door open prompt
Recorder M1116C false out-of-paper prompt
Recorder M1116C recording content not as expected
Remote control cannot be assigned to monitor
Remote Control cannot be assigned to monitor
SRR device out of range
SRR Interference INOP issued
Standard interface board voltage out of specification
Temperature reading is unusually high
Too many modules of type connected message
Touch position invalid
Touch position invalid

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

Error codes

Code	Meaning	Trigger	Severity
`Agent Calculating`	Gas analyzer is calculating agent concentration	Agent concentration measurement in progress	info
`Agent Change Scale`	Agent waveform is clipped on display	Displayed waveform exceeds current scale range	warning
`Agent Overrange`	Agent concentration value exceeds measurement range	Measured agent concentration higher than maximum range	warning
`Agent Unable To Meas`	Gas analyzer cannot measure agent concentration	Agent measurement failed or unavailable	error
`AGT Meas Malfunct`	Agent measurement malfunction	Agent measurement hardware or processing error	error
`awRR Overrange`	Awake respiration rate exceeds measurement range	Measured respiration rate higher than maximum range	warning
`Bad Measurement Server INOP`	Incompatible or malfunctioning measurement server detected	M3000A Revision A connected or parameter board failure	error
`Batt Empty INOP`	Battery depleted to critical level with approximately 10 minutes remaining	Battery charge depleted below safe operating threshold	critical
`Battery Malfunct INOP`	Monitor unable to determine battery status or communication failure with battery circuit	Battery communication failure or battery status unknown	error
`Batt Incompat INOP`	Battery installed is not compatible with this monitor model	Wrong battery type connected	error
`Batt Low INOP`	Battery charge low, less than 20 minutes of estimated operating time remaining	Battery charge depleted to low threshold	warning
`Charger Malfunct INOP`	Fault detected in monitor battery charging circuit	Battery charger hardware failure	error
`Check Alarm Lamps INOP`	Alarm LED display system fault detected	LED board disconnected, defective, or main board failure	error
`Check Batt Temp INOP`	Battery temperature exceeded safe operating limit	Battery temperature too high	warning
`Check internal voltage / Check Monitor Func`	Low voltage detected in 5V or -6V supplies affecting monitor functions	Monitor voltage levels too low causing improper function	error
`Check Monitor Func`	Problem with too low voltages affecting alarm lamps, display or interfaces	5V or -6V voltage levels below normal range	error
`Check Monitor Temp`	Temperature inside monitor is too high	Internal temperature exceeds safe operating range	warning
`Check Monitor Temp`	Temperature inside monitor exceeds safe operating limits	Monitor internal temperature too high	warning
`Check Passwords`	Password settings lost or corrupted	Technical or network defect	warning
`Check Watertrap`	Water trap requires attention	Water trap full or disconnected	warning
`CO2 Change Scale`	CO2 waveform clipped on display	CO2 waveform exceeds current scale range	warning
`CO2 Equip Malf`	CO2 measurement module malfunction	CO2 equipment module failure or disconnection	error
`CO2 Overrange`	Carbon dioxide measurement exceeds range	Measured CO2 concentration higher than maximum range	warning
`CO2 Unable To Meas`	Carbon dioxide measurement unavailable	CO2 measurement failed or cannot be performed	error
`ECG Equip Malf`	ECG equipment module malfunction	ECG equipment module failure or disconnection	error
`Gas Analyzer Occlusion`	Gas analyzer sample path occluded	Sample line, exhaust line, or airway adapter blocked	error
`Gas Analyzer Zero Failed`	Zero calibration attempt failed	Automatic zero calibration unsuccessful	error
`GM Accuracy?`	Gas analyzer measurement accuracy may be reduced	Measurement accuracy concern detected	warning
`GM Alarm Suppress`	Gas analyzer alarms suppressed until breath detected	Gas analyzer in alarm suppression mode awaiting breathing activity	info
`GM Align Watertrap`	Water trap not in correct vertical position	Water trap detected in non-vertical orientation	warning
`GM Component Malf`	Gas analyzer component malfunction	Internal gas analyzer component failure detected	error
`GM Incompatible`	Gas analyzer version not supported	Unsupported gas analyzer firmware or hardware version detected	error
`GM Malfunction`	Gas analyzer hardware malfunction	Gas analyzer hardware fault detected	critical
`GM No Breath`	No breathing detected	No patient breathing activity detected	warning
`GM Standby`	Gas analyzer in standby mode	Gas analyzer placed in standby operation	info
`GM Switched Off`	Gas analyzer shut down due to overheating	Gas analyzer internal temperature exceeds safe operating limit	critical
`GM Unplugged`	Gas analyzer module unplugged	Gas analyzer module physically disconnected from monitor	info
`GM Warmup`	Gas analyzer warming up; reduced accuracy possible	Gas analyzer starting up and reaching operating temperature	info
`GM Zero Running`	Automatic zero calibration in progress	Zero calibration cycle running automatically	info
`INOP Bad Server Link`	Communication link to measurement server failed or corrupted	Unexpected data, incompatible software, or communication failure	error
`Internal Comm.Malf.`	Internal communication failure between boards	Standard system interface board or main board defect	error
`Internal Comm. Malf.`	Internal communication failure detected	Board-to-board communication failure	error
`MAC Check Sources`	Minimum alveolar concentration calculation check failed	Required MAC calculation data incomplete or questionable	warning
`MAC Correction?`	MAC correction enabled but patient data missing	Enhanced MAC correction mode active but age and/or temperature values unavailable	warning
`MCC Unsupported`	MSL coupling cable used with unsupported device	MSL coupling cable connected to incompatible device	warning
`MCC Unsupported`	MSL coupling cable connected to incompatible device	MSL coupling cable connected to device not supporting MSL coupling	warning
`Measurement Server Configuration not supported`	Monitor firmware does not recognize configuration of attached measurement extension	Unsupported MMS Extension connected or defective component	error
`MSL Power High INOP`	MSL power supply voltage exceeding safe operating range	Attached devices drawing too much current	warning
`MSL Power Off INOP`	MSL power supply shut down due to prolonged overvoltage condition	Extended overvoltage lasting more than 15 minutes	error
`MSL Power Overload INOP`	Short circuit or critical overload detected in MSL system	Short circuit in MSL wiring or connection	critical
`MsmtSrv not Supp`	Connected measurement server not supported by monitor software	Incompatible or wrong measurement server connected	error
`N2O Change Scale`	N2O waveform clipped on display	N2O waveform exceeds current scale range	warning
`N2O Overrange`	Nitrous oxide concentration exceeds measurement range	Measured N2O concentration higher than maximum range	warning
`N2O Unable To Meas`	Nitrous oxide measurement unavailable	N2O measurement failed or cannot be performed	error
`NBP Equip Malf`	Non-invasive blood pressure equipment module malfunction	NBP equipment module failure or disconnection	error
`NMT Cal Failed`	Neuromuscular transmission monitor calibration failed	NMT module calibration check or adjustment procedure failed	warning
`NMT Equip Malfunct`	Neuromuscular transmission monitor equipment malfunction	NMT equipment module failure or disconnection	error
`NMT Incompatible`	Neuromuscular transmission monitor incompatible or unsupported version	Incompatible NMT module or unsupported firmware version detected	error
`O2 Change Scale`	O2 waveform clipped on display	O2 waveform exceeds current scale range	warning
`O2 Overrange`	Oxygen concentration exceeds measurement range	Measured O2 concentration higher than maximum range	warning
`O2 Unable To Meas`	Oxygen measurement unavailable	O2 measurement failed or cannot be performed	error
`O2 Zero Failed`	Oxygen zero calibration failed	O2 zero calibration attempt unsuccessful	error
`Pressure Label Equip Malf`	Pressure measurement equipment module malfunction	Pressure equipment module failure or disconnection	error
`Print device Local unavailable`	Local printer not available; print job stalled	Local printer offline or unreachable	error
`Print device Remote unavailable`	Remote network printer not available; print job stalled	Remote printer on Philips Information Center unreachable	error
`Print job could not be queued`	Print device not found or not available	Print system cannot locate or access configured printer	error
`RESP Equip Malf`	Respiration equipment module malfunction	RESP equipment module failure or disconnection	error
`Serverlink Malf`	Hardware failure in monitor communication with Multi-Measurement Server	MSL hardware fault or cable failure	error
`Settings Malfunction`	Memory space storing settings has been corrupted	Problem during cloning process or memory corruption	error
`Settings Malfunction`	Settings storage or configuration corrupted	Configuration cloning failure or memory corruption	error
`Speaker Malfunction INOP`	Audible alarm speaker system fault detected	Speaker cable disconnected or defective, speaker or amplifier failure	error
`SpO2 Equip Malf`	Pulse oximetry equipment module malfunction	SpO2 equipment module failure or disconnection	error
`SpO2 Transduc Malf`	Pulse oximetry transducer malfunction	SpO2 transducer sensor failure or disconnection	error
`SRR Interference INOP`	Short Range Radio system detected RF interference and shut down	RF interference detected in environment	error
`SRR Invalid Chan INOP`	Short Range Radio system received invalid channel configuration	Misconfigured SRR channel or communication failure	error
`Temp Label Equip Malf`	Temperature measurement equipment module malfunction	Temperature equipment module failure or disconnection	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.