Patient monitors · IntelliVue family

Philips IntelliVue: troubleshooting and error codes

The ServiceForge knowledge base holds 153 documented symptoms for the Philips IntelliVue, with 317 ranked causes, 35 diagnostic checks with test points and expected values, and 51 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 LED does not light up

AC power indicator LED remains off after pressing power on button

Ranked causes

1. AC Connection not ok (common)
2. LED defective (occasional)
3. Power Switch board not connected to main board (occasional)
4. Power supply defective (occasional)
5. Secondary main board defective (rare)
6. Primary Video Board defective (rare)
7. Backplane Bottom defective (rare)
8. Primary Main Board defective (rare)

First check

Verify AC mains power available

Test point: AC power inlet
Expected: AC mains powered and connected

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

External device not receiving data

External device does not receive data from monitor export

Ranked causes

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

7 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 on power supply

Both green Power On and red Error LEDs fail to illuminate when power button is pressed on power supply

Ranked causes

1. Remote Devices connected (occasional)
2. Power Switch Micro Controller hung (occasional)
3. Power switch board not connected to main board (occasional)
4. Power Switch Board defective (occasional)
5. I/O Board defective (rare)
6. Primary Video Board defective (rare)
7. Primary Main Board defective (rare)

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

Touch Screen not functioning

Touch screen input is not responsive to touch input

Ranked causes

1. Touchscreen functionality has been temporarily disabled (common)
2. Touchscreen functionality has been permanently disabled (occasional)
3. External Touch cable not connected (occasional)
4. External Touch driver configuration (occasional)
5. Connector board defective (rare)
6. External touch defective (rare)
7. Main board defective (rare)

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

Indep. Dsp. Malfunc. INOP issued

INOP (Inoperative) message Indep. Dsp. Malfunc. displayed, indicating external touch display malfunction

Ranked causes

1. Video cable to external display not connected (common)
2. External display has no power (common)
3. External display is defective (occasional)
4. Video board defective (rare)
5. Main board defective (rare)
6. Second main display defective (rare)

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

Red Error LED stays on continuously

Red Error LED remains illuminated continuously, indicating a persistent system error

Ranked causes

1. External connected device defective (common)
2. I/O Board defective (occasional)
3. Backplane top defective or secondary main board defective (occasional)
4. Primary Video Board defective (rare)
5. Backplane Bottom defective (rare)
6. Primary Main board defective (rare)

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

SpeedPoint not functioning on remote extension

SpeedPoint knob or joystick attached to remote extension device inoperative

Ranked causes

1. Remote extension device not connected to monitor (common)
2. SpeedPoint not connected properly (common)
3. SpeedPoint defective (occasional)
4. Remote extension device defective (occasional)
5. Remote device I/O board in wrong slot (occasional)
6. Remote device I/O board defective (occasional)

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

Barcode scanner cannot read barcodes

Scanner lights and sounds function but cannot decode barcodes

Ranked causes

1. Scanner held at wrong distance from barcode (common)
2. Scanner window dirty or blocked (common)
3. Barcode format not recognized (common)
4. Scanner not recognized by system (occasional)
5. Scanner mechanical problem (occasional)

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

External Display is blank

Connected external display screen shows no video output

Ranked causes

1. Video cable to external display not connected (common)
2. External display has no power (common)
3. External display is defective (occasional)
4. Video board defective (rare)
5. Main board defective (rare)

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

Keyboard or mouse on remote extension box not functioning

Keyboard/mouse attached to remote extension box does not respond

Ranked causes

1. Remote extension box disconnected from monitor (common)
2. Keyboard/mouse defective (common)
3. Remote extension device defective (occasional)
4. Remote device I/O board in wrong slot (occasional)
5. Remote device I/O board defective (occasional)

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

No central monitoring possible

Monitor cannot connect to central station; wireless adapter yellow sync LED not on steady

Ranked causes

1. Monitor out of range of access point (common)
2. Wireless adapter has no power (common)
3. Firmware revision in adapter is wrong (occasional)
4. Wireless adapter defective (occasional)
5. Wrong configuration in wireless adapter or access point (common)

First check

Verify monitor is within coverage area

Test point: Wireless adapter yellow sync LED
Expected: LED on steady

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

Third main display not functioning properly (D80 Intelligent Display)

Third display (D80) is not working properly; INOP messages issued such as Intell Dsp Malf, Intell Dsp Missing, or Intell Dsp Unsupp

Ranked causes

1. D80 not connected properly or defective (common)
2. Monitor software incompatible with D80 (occasional)
3. Monitor cannot communicate with D80 (Check MCC) (occasional)
4. MSL Coupling cable is reversed (occasional)
5. MSL coupling cable connected to unsupported device (rare)

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

AGM connected to RS232 port not functioning

AGM device connected to MIB/RS232 port does not operate

Ranked causes

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

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

Alarm occurs but no alarm sound issued

Alarm condition triggered but no audible alarm tone is heard

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 LED lights up

Alarm is triggered but alarm LED board does not illuminate

Ranked causes

1. Environmental lighting too bright (common)
2. Alarm LED board cable disconnected (common)
3. Alarm LED board defective (occasional)
4. Main Board defective (occasional)

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

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

Alarm message displayed on monitor but remote alarm device inactive

Ranked causes

1. Alarm device cabling not connected (common)
2. Alarm device cabling defective (common)
3. I/O board defective (occasional)
4. Remote alarm device defective (occasional)

4 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 on remote extension device

Both green Power On and red Error LEDs fail to illuminate when power button is pressed on remote extension or alarm device

Ranked causes

1. Cable to remote device defective or disconnected (common)
2. Remote device defective (occasional)
3. Power switch board not connected to main board (occasional)
4. Remote device interface board defective (occasional)

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

Keyboard or mouse directly attached not functioning

USB or PS/2 keyboard/mouse connected directly to monitor not responding

Ranked causes

1. Keyboard/mouse not connected properly (common)
2. Keyboard/mouse defective (common)
3. PS/2 or USB I/O board in wrong slot (occasional)
4. PS/2 or USB I/O board defective (occasional)

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

Monitor alarmed but Nurse Call did not activate patient safety

System alarmed but Nurse Call Relay did not function

Ranked causes

1. Incorrect configuration of relay latency or trigger (common)
2. Cable connection incorrect (common)
3. Nurse Call Relay board in wrong slot (occasional)
4. Nurse Call Relay board defective (occasional)

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

Monitor lost connection to information center patient safety

Monitor disconnected from central information center system

Ranked causes

1. LAN cable disconnected (common)
2. Information center disconnected (occasional)
3. Network infrastructure failure (occasional)
4. Wireless monitor out of range (occasional)

No connectivity to PIC without error message patient safety

Monitor has no connection to Philips Information Center with no error message displayed

Ranked causes

1. Hardware defect (LAN cable or connector) (common)
2. NGN connector board defective (occasional)
3. Switch defective (occasional)
4. Network configuration problem (occasional)

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

No ECG-OUT signal to defibrillator patient safety

ECG OUT board not sending signal to defibrillator; red LED behavior diagnostic indicator

Ranked causes

1. Cabling not connected (common)
2. MSL cable or connectors defective (occasional)
3. Device not connected to first MSL port (occasional)
4. ECG OUT board defective (occasional)

First check

Observe red LED in ECG OUT section after power cycle

Test point: ECG OUT section red LED (visible when housing bottom removed)
Expected: Red LED switches on for about 1 second at power on
Tools: Housing bottom removal

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

Print device local unavailable

Status message indicates Local 1 or Local 2 printer unavailable; printer job stalled

Ranked causes

1. Printer not switched on (common)
2. Printer paper tray empty (common)
3. Cabling not connected correctly (occasional)
4. Connector board defective (rare)

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

Printouts not as expected

Print output does not match expected quality 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 (common)
4. Printer not compatible (rare)

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

Recorder M1116C: not printing or communicating

Recorder M1116C does not print or communicate with system

Ranked causes

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

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

Recorder not communicating with system

Recorder module does not communicate with monitor system

Ranked causes

1. Poor connection to front-end FMS (common)
2. Only one recorder module may be used per monitor (common)
3. System not configured properly (occasional)
4. Too many modules connected (occasional)

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

Alarm LEDs illuminate but no sound patient safety

Remote alarm device shows LED indication without audio output

Ranked causes

1. Wrong I/O slot assignment (common)
2. Speaker defective (common)
3. Remote device interface defective (occasional)

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

Barcode scanner not functioning

Scanner completely inactive with no lights, sounds or barcode reading capability

Ranked causes

1. Scanner not plugged into USB port (common)
2. Scanner not recognized by system (common)
3. Scanner mechanical problem (occasional)

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

Calibration: Gas flow performance

Annual verification that gas flow rate from 15210B calibration unit meets specification

Ranked causes

1. Gas flow outside specification (unknown)
2. Gas flow less than minimum specification (occasional)
3. Gas flow greater than maximum specification (occasional)

First check

Pressure indicator reading

Test point: Front panel pressure indicator
Expected: Not in black zone

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

Configuration problem with WPA Enterprise or WPA2 Enterprise security

Monitor cannot authenticate with WPA Enterprise or WPA2 Enterprise security

Ranked causes

1. Connection status shows 'Scanning'; Mode, SSID, Country or Security settings incorrect (common)
2. Connection status shows 'Authenticating'; device fails to authenticate despite correct settings (occasional)
3. Device on exclude list of WLAN Controller due to wrong credentials (rare)

First check

Check connection status

Test point: Main Setup -> Network -> WLAN Diagnostics -> Conn.Status
Expected: Status shows 'Connected' or 'Authenticating'

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

ECG Out/Marker In function not operating patient safety

ECG Out or Marker In function not working; hardware problem affecting data flow

Ranked causes

1. MSL cable defect (occasional)
2. ECG Out hardware malfunction in monitor (occasional)
3. MSL connector in measurement server defective (occasional)

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

Frequent dropouts and network disconnects

Monitor loses network connection intermittently

Ranked causes

1. Excessive interference by radio equipment or microwave ovens (common)
2. System capacity exceeded in coverage area (occasional)
3. Configuration problem (common)

First check

Read wireless adapter statistics

Test point: Wireless adapter RS232 or PIC logging
Expected: Normal signal strength and interference levels

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

INOP Bad Server Link issued

Unexpected data detected on MSL or incompatible MMS software revision connected to monitor

Ranked causes

1. Unexpected data on MSL (unknown)
2. Incompatible MMS software revision (unknown)
3. Communication between components not functioning (unknown)

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

INOP Message 'MsmtSrv not Supp' issued

System displays INOP message indicating Measurement Server not supported

Ranked causes

1. Wrong Software Revision (common)
2. Too many measurement servers connected (common)
3. Unsupported type of measurement server connected (occasional)

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

INOP Message Check Alarm Lamps issued

Alarm LED lamp check message displayed, alarm LEDs not functioning properly

Ranked causes

1. Alarm LED board cable disconnected (common)
2. Alarm LED board defective (occasional)
3. Main board defective (occasional)

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

INOP Message Speaker Malfunction displayed

Speaker malfunction message displayed; alarm speaker not functioning

Ranked causes

1. Speaker cable disconnected (common)
2. Speaker defective (occasional)
3. Sound amplifier on main board defective (occasional)

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

Internal communication failure caution

I2C bus communication malfunction in monitor

Ranked causes

1. External display defective or incompatible (common)
2. Video board defective (occasional)
3. Main board defective (occasional)

First check

Test with alternative external display

Test point: Display connector
Expected: Monitor communicates with replacement display

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

Measurement module not recognized at front end

LEDs OK but measurement module or connector not recognized, no prompt or INOP message

Ranked causes

1. Measurement module or connector defective (common)
2. MSL voltage from monitor too high or too low (occasional)
3. Mother board or connector on mother board defective (occasional)

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

Other bed overview not available

Bed overview function for other beds not accessible

Ranked causes

1. Configuration problem in PIC (common)
2. Switch multicast filter configuration (occasional)
3. Wireless configuration limitation (occasional)

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

Power not applied or LEDs not illuminated high voltage

No lights on front panel when monitor is switched on and AC power connected.

Ranked causes

1. AC power cord not connected or plugged in (common)
2. Power switch not turned on (common)
3. AC Power LED should be green when powered (occasional)

First check

Verify AC power cord connection

Test point: AC outlet and instrument connector
Expected: AC power cord firmly connected

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

Prompt 'Measurement Server Configuration not supported' message

System displays prompt message about unsupported MMS Extension configuration

Ranked causes

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

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

Remote control not recognized

Wired remote control not detected by monitor

Ranked causes

1. Remote control not plugged according to USB rules (common)
2. Connector board defective (occasional)
3. Remote control defective (occasional)

First check

Verify remote control USB connection

Test point: USB connector on monitor
Expected: Remote control recognized by monitor

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

Unsupported LAN INOP message patient safety

Unsupported LAN INOP message issued; network connectivity problem

Ranked causes

1. Network infrastructure failure (common)
2. Monitor connected to wrong network (occasional)
3. IP address conflict after reconfig (occasional)

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

USB device LED off

LED next to USB port with connected device is off

Ranked causes

1. Device connected to port is not supported (common)
2. Printer connected to port not switched on (common)
3. Short-circuit condition (occasional)

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

All USB board LEDs off

All LEDs on USB board are off even though devices are connected

Ranked causes

1. Connected devices drawing too much power (common)
2. Unsupported combination of devices (occasional)

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

INOP EcgOut EQUIP MALF error patient safety

ECG OUT equipment malfunction alarm; communication problem or board defect

Ranked causes

1. Communication problem or ECG OUT board defective (common)
2. Main Board defective (rare)

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

Measurement malfunction INOP patient safety

Measurement system inoperative after measurement block or cable reassembly

Ranked causes

1. Measurement ribbon cable inserted incorrectly (common)
2. Measurement block inserted with gap (common)

First check

Verify measurement ribbon cable orientation and connection

Test point: Measurement ribbon cable connector
Expected: Cable inserted in correct orientation per picture, fully seated

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

Measurement Server does not start; LEDs are normal

Measurement Server not starting up despite normal LED illumination

Ranked causes

1. Communication lines in MSL cable or MSL connector broken (common)
2. MSL connector board defective (occasional)

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

MMS or parameter modules not recognized

MMS Extension or parameter modules not communicating with monitor after insertion.

Ranked causes

1. MMS or MMS Extension not inserted correctly (common)
2. Parameter modules not plugged in correctly to FMS (common)

First check

Verify MMS/MMS Extension insertion

Test point: MMS and MMS Extension connectors
Expected: Modules fully seated with no gaps

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

Monitor internal voltage too low caution

Alarm lamps, display or interfaces not functioning correctly due to low 5V or 12V supply voltages

Ranked causes

1. Defective I/O board (common)
2. Main board defective (occasional)

First check

Remove and reinsert I/O boards one at a time

Test point: I/O board slots
Expected: Monitor functions restored

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

Monitor overheating caution

Temperature inside monitor exceeds safe operating limits

Ranked causes

1. Monitor ventilation obstructed (common)
2. Main board defective (occasional)

First check

Check environment and monitor ventilation

Test point: Monitor vents and surrounding area
Expected: Ventilation clear of obstructions

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

MSL Flex creasing or damage during reassembly caution

MSL Flex cable creased or damaged during installation

Ranked causes

1. MSL Flex cable creased during 180-degree bending (occasional)
2. MSL Flex damaged when inserting frame connector (occasional)

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

No central assigned to bed prompt message patient safety

Prompt message no central assigned to this bed displayed on monitor

Ranked causes

1. Monitor label not set (label-based bed assignment) (common)
2. PIC to switch communication problem (port-mapped) (occasional)

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

No central monitoring active patient safety

Monitor connected to LAN with IP address but bed not monitored at central station

Ranked causes

1. Monitor not assigned to sector (common)
2. Duplicate equipment label on network (occasional)

No network LAN connection

Monitor has no wireless or wired network connection; unable to communicate

Ranked causes

1. Wireless monitor cannot find access point (common)
2. Wired monitor no LAN traffic detected (common)

No Test Sound issued

Test sound (beep) is not heard during boot sequence when expected

Ranked causes

1. Speaker defective (common)
2. Main board defective (rare)

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

Print device remote unavailable

Status message indicates Remote 1, 2 or 3 printer unavailable; printer job stalled

Ranked causes

1. Print error on Philips Information Center (occasional)
2. Network connection to Philips Information Center not functioning (occasional)

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

Print job could not be queued

Prompt message issued indicating no print device found

Ranked causes

1. Printer disabled in Setup Printers menu (common)
2. Printer paper size does not match report setting (common)

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

Prompt 'Measurement Server not supported' and INOP 'Bad Measurement Server'

System displays prompt message and INOP error for unsupported or defective measurement server

Ranked causes

1. M3000A Measurement Server Revision A plugged; not compatible with IntelliVue (rare)
2. Parameter board defective (occasional)

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

Recorder M1116C: paper not feeding properly

Recorder M1116C paper does not advance correctly

Ranked causes

1. Paper roll off center (common)
2. Defective roller (occasional)

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

More symptoms

Recorder M1116C: poor print quality
Recorder: paper not feeding properly
Recorder: poor print quality
Red Error LED blinks (indicating cyclic reboots)
Settings malfunction
Touchscreen calibration required
Touchscreen operation disabled
Tympanic Thermometer does not function
Unit does not calibrate accurately
Unsupported LAN network detected
A measurement supported by server does not appear on monitor
Agent Calculating INOP message
Agent Change Scale message
Agent Mixture detected
Agent Overrange INOP
Agent Unable To Meas INOP
AGT Meas Malfunct INOP
Alarm occurs on VueLink device but no sound on monitor
Alarm sound issued but no remote LEDs light
awRR Overrange INOP
Check Watertrap INOP
CO2 Change Scale message
CO2 Overrange INOP
CO2 Unable To Meas INOP
Configuration problem with WEP/WPA/WPA2 security
Connected USB devices not functioning
Detailed protocol problem
ECG Out/Marker In function does not work
FMS cable connection problem
GM Accuracy? INOP message
GM Alarm Suppress message
GM Align Watertrap message
GM Component Malf INOP
GM Incompatible INOP
GM Malfunction INOP
GM No Breath message
GM Occlusion INOP
GM Standby message
GM Switched Off message
GM Unplugged message
GM Warmup message
GM Zero Failed INOP
GM Zero Running message
Image sticking on LCD display
Indep DSP. NotSupp. INOP issued
INOP Message Serverlink Malf displayed
INOP message: check Nurse Call Relay
INOP SpO2 label Unkn. Sensor issued
INOP SpO2 label Upgrade issued
Input devices INOP message issued
IntelliVue 802.11 Bedside Adapter not yet operational
LEDs on IntelliVue 802.11 Bedside Adapter are off and remain off
MAC Check Sources INOP
MAC Correction? message
Measurement malfunction INOP after main board refitting
Measurement module ignored in slot
Measurement Server does not start up; no LEDs active
MSL coupling cable unsupported
MSL Power High INOP issued
MSL Power Off INOP issued
MSL Power Overload INOP issued
N2O Change Scale message
N2O Overrange INOP
N2O Unable To Meas INOP
NBP pump malfunction after replacement
No connectivity in multi-access point coverage area
No marker pulse displayed on monitor
No network icon or flashing network icon
O2 Overrange INOP
O2 Unable To Meas INOP
O2 wave clipped on display
O2 Zero Failed INOP
Other bed alarms not appearing
Printing does not work on wireless network
Printing on remote device but no output
Prompt message 'Too many modules connected'
Recorder M1116C: content not as expected
Recorder M1116C: does not lock into rack
Recorder M1116C: door open prompt when not open
Recorder M1116C: out of paper prompt when not empty
Recorder module does not lock into FMS
Recorder won't run
Recorder: system thinks door is open
Recorder: system thinks out of paper
Red error LED flashes
Remote extension device buttons not functioning
Remote input device not functioning
SpeedPoint rotation or joystick not functioning
Temperature reading unusually high
Temperature reading unusually low
Touch position invalid (D80 Intelligent Display)
Unrecognized measurement module in slot
Wireless monitor out of range

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

Error codes

Code	Meaning	Trigger	Severity
`16400`	Monitor spontaneously reboots without user interaction	Unexpected system reboot	error
`16505`	Loss of configuration after system reboot	Monitor reboots; configuration data lost	error
`17345`	MMS reboots unexpectedly; no waves or numerics from MMS	Unexpected MMS reboot during monitoring	error
`32750`	Modules not recognized or monitor reboots upon module removal	Module removal or system boot with module not detected	error
`Agent Calculating`	Gas analyzer calculating agent concentration; measurement in progress	Gas analyzer performing agent concentration calculation	info
`Agent Mixture`	Multiple anesthetic agents detected in sample	Gas analyzer detects two or more anesthetic agents	warning
`Agent Overrange`	Agent gas value exceeds maximum measurement range	Agent concentration reading above sensor maximum range	warning
`Agent Unable To Meas`	Gas analyzer cannot measure agent gas	Sensor failure, occlusion, or calibration failure	error
`AGT Meas Malfunct`	Agent measurement hardware malfunction	Agent sensor or measurement circuit failure	error
`awRR Overrange`	Automatic respiration rate exceeds maximum measurable range	Measured respiratory rate above sensor maximum	warning
`Check Watertrap`	Gas analyzer water trap full or disconnected	Water trap level high or sample line/water trap connection lost	warning
`CO2 Overrange`	CO2 value exceeds maximum measurement range	CO2 concentration reading above sensor maximum range	warning
`CO2 Unable To Meas`	Gas analyzer cannot measure CO2	CO2 sensor failure or measurement circuit failure	error
`GM Accuracy?`	Gas analyzer measurement accuracy may be reduced	Obstruction detected in gas inlet, outlet, or water trap tubing	warning
`GM Alarm Suppress`	Gas analyzer alarms paused pending breath detection	Gas analyzer configured to suppress alarms until breathing detected	info
`GM Align Watertrap`	Water trap not in correct vertical position	Water trap orientation incorrect	critical
`GM Component Malf`	Gas analyzer internal component malfunction	Component hardware failure detected during operation	error
`GM Incompatible`	Gas analyzer software version not supported by monitor	Incompatible gas analyzer firmware detected	critical
`GM Malfunction`	Gas analyzer hardware malfunction detected	Gas analyzer hardware failure during operation	critical
`GM No Breath`	No breathing activity detected by gas analyzer	No inspiratory or expiratory gas flow detected	warning
`GM Occlusion`	Sample or exhaust line kinked or blocked	Obstruction detected in sample or exhaust gas flow path	error
`GM Standby`	Gas analyzer in standby mode; monitoring suspended	Gas analyzer placed in standby by user or monitor	info
`GM Switched Off`	Gas analyzer shut down due to overheating; all internal components disabled	Gas analyzer internal temperature exceeds safe operating limit	critical
`GM Unplugged`	Gas analyzer module removed from monitor	Gas analyzer module physically disconnected	warning
`GM Warmup`	Gas analyzer warming up; measurement accuracy not yet at specification	Gas analyzer power-on; sensor not yet stabilized	info
`GM Zero Failed`	Gas analyzer zero calibration failed	Automatic or manual zero calibration did not complete successfully	error
`GM Zero Running`	Gas analyzer automatic zero calibration in progress	Gas analyzer performing automatic zero calibration routine	info
`INOP Bad Server Link`	Unexpected data on MSL or incompatible MMS software revision	Unexpected data detected on MSL line or incompatible MMS connected	error
`INOP Message Check Alarm Lamps`	Alarm LED lamp monitoring circuit has failed	Alarm LED board communication loss or board failure	error
`INOP Message Serverlink Malf`	Multi-Measurement Server communication hardware is faulty	Hardware failure in MSL communication path	critical
`INOP Message Speaker Malfunction`	Speaker or speaker amplifier is not functioning	Speaker hardware failure or connection loss	error
`MAC Check Sources`	Not all required measurements available for MAC calculation	One or more measurement sources missing, invalid, or questionable	warning
`MAC Correction?`	Enhanced MAC correction enabled but required patient data not available	Enhanced MAC correction active but patient age and/or temperature not entered	warning
`N2O Overrange`	Problem with N2O measurement; value may exceed range	N2O sensor or measurement circuit malfunction	error
`N2O Unable To Meas`	Gas analyzer cannot measure N2O	N2O sensor failure or measurement circuit failure	error
`Noninvasive Blood Pressure Accuracy Test`	Verify blood pressure reading accuracy within tolerance	During performance testing	warning
`Noninvasive Blood Pressure Leakage Test`	Verify blood pressure cuff leakage within limits	During performance testing	warning
`Noninvasive Blood Pressure Linearity Test`	Verify linear response across blood pressure measurement range	During performance testing	warning
`Noninvasive Blood Pressure Valve Test`	Verify blood pressure valve performance	During performance testing	warning
`O2 Overrange`	Problem with O2 measurement; value may exceed range	O2 sensor or measurement circuit malfunction	error
`O2 Unable To Meas`	Gas analyzer cannot measure O2	O2 sensor failure or measurement circuit failure	error
`O2 Zero Failed`	O2 zero calibration failed	O2 sensor zero calibration did not complete successfully	error
`Power On Test`	Device self-test completion verification	Power on the unit	error
`Safety Test (1): Protective Earth Resistance`	Verify protective earth connection integrity	During safety testing	critical
`Safety Test (2): Equipment Leakage Current - Normal Conditio`	Verify equipment leakage current within safe limits during normal operation	During safety testing	critical
`Safety Test (3): Equipment Leakage Current - Single Fault Co`	Verify equipment leakage current within safe limits when protective earth is open	During safety testing with earth disconnected	critical
`Safety Test (4): Applied Part Leakage Current - Single Fault`	Verify applied part leakage current within safe limits when mains is on applied part	During safety testing with simulated fault	critical
`System Test (Sys 1-2): Equipment Leakage Current`	Verify system equipment leakage current in normal and single fault conditions	During system testing per IEC/EN 60601-1-1 or IEC/EN 60601-1+A1 Ed.3 clause 16	critical
`System Test (Sys 3): Protective Earth Leakage Current`	Verify protective earth leakage current in multi-component systems	When medical electrical system components connected to same Multiple Portable Socket Outlet	critical
`Temperature Performance Test`	Verify temperature measurement accuracy at specified temperature	During performance testing	warning
`Visual Inspection`	Initial device inspection for physical damage or defects	Test before putting into service, recurrent test, or after repair	warning

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