Patient monitors · IntelliVue family

Philips MX800: troubleshooting and error codes

The ServiceForge knowledge base holds 153 documented symptoms for the Philips MX800, with 327 ranked causes, 129 diagnostic checks with test points and expected values, and 16 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 high voltage

AC Power LED on front panel does not illuminate when AC mains connected and power switch pressed

Ranked causes

1. AC Connection not OK (common)
2. LED defective (occasional)
3. Power Switch board not connected (occasional)
4. Power supply defective (occasional)
5. iPC defective (rare)
6. I/O board defective (rare)
7. Connector board defective (rare)
8. Panel adapter board defective (rare)
9. Mixer board defective (rare)
10. Main Board defective (rare)

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

iPC does not power up or shows PC HW Malfunction

Unit fails to boot or displays PC HW Malfunction message during power-on test

Ranked causes

1. Power is off or embedded controller failed (common)
2. System holds off due to over temperature or other error (common)
3. Voltage error (blink code 1) (occasional)
4. Temperature error (blink code 2) (occasional)
5. Fan error (blink code 3) (occasional)
6. CMOS battery low (blink code 4) (occasional)
7. Abnormal reset (blink code 5) (occasional)
8. Input voltage error (blink code 6) (occasional)
9. Embedded controller internal error (blink code 7) (rare)

First check

Observe status LED color and blink pattern

Test point: Status LED behind monitor rear housing
Expected: Off = power off or embedded controller failed; Red = system holds off or error; Orange = Sleep/Hibernate/Soft Off; Green = fully functional

Green Power On LED and Red Error LED remain off high voltage

After pressing power on button, neither the green Power On/Standby LED nor the red Error LED illuminates

Ranked causes

1. Power Switch Micro Controller hung (common)
2. Power switch board not connected to main board (occasional)
3. Power Switch Board defective (occasional)
4. I/O Board defective (occasional)
5. Connector board defective (rare)
6. Mixer, MSL2, WLAN, Panel adapter or Alarm LED board defective (rare)
7. Main board defective (rare)

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

Integrated display is blank or brightness reduced caution

Built-in LCD display shows no image or brightness is noticeably reduced

Ranked causes

1. Thermal issue - room temperature too high or instrument nearby (common)
2. Backlight Inverter Cable not connected (occasional)
3. Backlight tubes defective (occasional)
4. Backlight Inverter board defective (occasional)
5. Panel Adapter board defective (rare)
6. LCD Flat panel defective (rare)
7. Main board defective (rare)

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

Touchscreen not functioning

Touch input does not respond to user interaction

Ranked causes

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

First check

Touch calibration

Test point: touchscreen surface
Expected: calibration performed successfully

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

External device not receiving data from monitor

Connected external equipment receiving no data from monitor; data export or transmission fails

Ranked causes

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

First check

Verify MIB/RS232 port is configured for data export

Test point: Monitor configuration menu
Expected: Data export enabled on target port

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

Touch screen not functioning caution

Touchscreen input does not respond to touch input or calibration is invalid

Ranked causes

1. Touchscreen temporarily disabled (common)
2. Touchscreen permanently disabled in service mode (occasional)
3. Touch screen not connected (occasional)
4. Panel adapter board defective (occasional)
5. Touch screen defective (occasional)
6. Main board defective (rare)

First check

Check if touchscreen disabled

Test point: Main Screen key
Expected: Padlock symbol visible on Main Screen key if disabled
Tools: Visual inspection

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 barcode reads fail

Ranked causes

1. Scanner held too close or too far 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

External display connected to Independent Display Interface is blank caution

Display connected to Independent Display Interface port shows no video output

Ranked causes

1. Check integrated display first (common)
2. Video cable to external display not connected (common)
3. External display has no power (common)
4. External display is defective (occasional)
5. Independent Display Interface defective (occasional)

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

Red Error LED stays on continuously high voltage

After power-on, the red Error LED remains illuminated and does not change to green

Ranked causes

1. External connected device defective (common)
2. I/O Board defective (occasional)
3. Connector board defective (rare)
4. Mixer, MSL2, WLAN, Panel adapter or Alarm LED board defective (rare)
5. Main board defective (occasional)

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

802.11 Bedside Adapter configuration problem (WPA/WPA2 Enterprise) caution

Wireless adapter configuration issue with WPA or WPA2 Enterprise security authentication

Ranked causes

1. SSID, Mode, Country, or Security settings incorrect (common)
2. Authentication server or WLAN controller error (occasional)
3. Certificate validation failure or invalid configuration (occasional)
4. Invalid or incompatible CA certificate installed (rare)

First check

Check connection status and SSID/Mode settings

Test point: Main Setup > Network > WLAN Diagnostics > Conn.Status
Expected: State shows 'Authenticating' or 'Connected'; Mode/SSID/Country match infrastructure

4 more checks with pass and fail actions, 8 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Alarm occurs but no alarm sound is issued patient safety

Alarm condition triggered but no audible alarm tone produced by speaker

Ranked causes

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

First check

Verify audible alarm indicators are enabled

Test point: System settings menu
Expected: Audible alarm indicators enabled

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

Alarm occurs but no LED lights up caution

Alarm is triggered and audible but no LED indication is visible

Ranked causes

1. Environmental lighting too bright (occasional)
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 LED or sound on alarm device patient safety

Alarm displays on monitor but remote alarm device silent and dark

Ranked causes

1. Cabling not connected (common)
2. Cabling defective (occasional)
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

External display is blank caution

Video output to external slave display is not visible

Ranked causes

1. Check integrated display first (common)
2. Video cable not connected (common)
5. Connector Board defective (occasional)
6. Main board defective (rare)

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

INOP message Bad MSL issued

Monitor displays Bad MSL connection INOP message

Ranked causes

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

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

INOP message MSL Device Unsupp issued

Monitor displays unsupported MSL device INOP message

Ranked causes

1. Wrong software revision (common)
2. Too many Multi-Measurement Modules connected (common)
3. Unsupported type of Multi-Measurement Module connected (e.g. M3000A) (occasional)
4. Module Rack connected to incompatible monitor (e.g. MX400-550) (occasional)

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

Leakage between calibration line inlet and pump inlet detected

Flowmeter reading exceeds 4 ml/min or cell pressure does not drop to 300-500 mmHg when calibration line inlet is blocked during leakage check part 2

Ranked causes

1. Poor calibration line connections (common)
2. Poor tubing connections at pump inlet or mCO2 gas inlet (common)
3. Defective calibration line (occasional)
4. Leakage in tubing of M3015A or mCO2 assembly (occasional)

First check

Inspect calibration line connections

Test point: calibration line connection points
Expected: all connections tight with no visible damage

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

Local printer unavailable caution

Status message issued; printer job stalled; device not responding

Ranked causes

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

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

Monitor lost connection to Information Center

Central icon shown as outline only with broken connection line; monitor was being monitored but lost connection to Information Center

Ranked causes

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

First check

Check LAN cable connection

Test point: Network cable at monitor
Expected: Cable firmly seated and intact

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 caution

Print output quality or format incorrect; document appearance wrong

Ranked causes

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

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

Recorder M1116C not communicating caution

Recorder not responding; connection issue; no printing occurring

Ranked causes

1. Poor connection to rack (common)
2. Only one recorder module may be used (occasional)
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 caution

Recorder not responding to monitor commands; connection issue

Ranked causes

1. Poor connection to module rack (common)
2. Only one recorder module may be used (occasional)
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

Unsupported LAN message displayed

Monitor displays 'Unsupported LAN' message after 1 minute, indicating LAN connection exists but no IP address assigned

Ranked causes

1. Network failure (common)
2. Monitor connected to wrong network (occasional)
3. IP address conflict after infrastructure reinstallation (occasional)
4. IIT enabled but no infrastructure found (occasional)

First check

Verify network connectivity

Test point: LAN port, network cable
Expected: Active network connection detected

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

Barcode scanner does not function

Scanner produces no lights, sound, or barcode reads

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

Check Monitor Temp INOP message caution

Internal monitor temperature exceeds safe operating limits

Ranked causes

1. Temperature inside monitor too high (common)
2. Monitor ventilation obstructed (common)
3. Main Board defective (rare)

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

ECG OUT signal missing to defibrillator patient safety

No ECG output signal transmitted to external defibrillator; ECG data not available to defib unit

Ranked causes

1. ECG OUT cable defective or disconnected; MSL cable/connectors defective (common)
2. Power Switch/ECG OUT board defective (occasional)
3. Main board defective (rare)

First check

Verify ECG OUT cable and MSL connections integrity

Test point: ECG OUT cable to defib and MSL cable/connectors
Expected: Cables properly connected and not defective

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

Flow rate out of tolerance

Measured pump flow not within 50 +15/-7.5 ml/min range during flow rate check

Ranked causes

1. Flow setting requires adjustment (common)
2. Defective pump (occasional)
3. Fault in measurement extension (occasional)

First check

Measure pump flow and adjust if needed

Test point: flowmeter display
Expected: 50 +15/-7.5 ml/min (i.e., 42.5 to 65 ml/min), +15/-7.5 ml/min
Tools: Electronic flowmeter M1026-60144 or 453564178121 Mass Flowmeter

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

INOP Bad Server Link issued caution

Monitor displays Bad Server Link alert indicating unexpected data on MSL

Ranked causes

1. Unexpected data detected on MSL (common)
2. Module Rack or Multi-Measurement 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 message Check Alarm Lamps issued caution

Monitor displays INOP alert for alarm lamp system

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 Msmt Ext. Unsupp issued

Monitor displays unsupported measurement extension INOP message

Ranked causes

1. Unsupported Measurement Extension connected (common)
2. Measurement Extension is defective (occasional)
3. Multi-Measurement Module defective (occasional)

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

INOP Message Speaker Malfunction displayed

Speaker malfunction indicator shown on display without specific audio issue described

Ranked causes

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

First check

Verify speaker cable connection

Test point: Speaker cable connector
Expected: Cable fully seated and connected

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

Internal Comm.Malf. INOP message

I2C bus communication failure in monitor

Ranked causes

1. Problem with I2C Bus communication (occasional)
2. Connector board defective (occasional)
3. Main board defective (rare)

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

iPC does not show on monitor after start

iPC boots but output not visible on patient monitor screen

Ranked causes

1. Power cable/connection defective (common)
2. iPC to Video Mixer Board cable not working (occasional)
3. Video Mixer Board defective (occasional)

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

Keyboard/Mouse attached to monitor not functioning

Keyboard or mouse connected directly to monitor not responding

Ranked causes

1. Keyboard/Mouse not connected properly (common)
2. Keyboard/Mouse defective (occasional)
3. Connector board defective (rare)

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

Keyboard/Mouse connected to iPC not functioning

Keyboard or mouse connected to iPC not responding

Ranked causes

1. Keyboard/Mouse not connected properly (common)
2. Keyboard/Mouse defective (occasional)
3. iPC defective (occasional)

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

Measurement module not recognized at front end caution

Module Rack LEDs ok but measurement module not recognized; no prompt or INOP

Ranked causes

1. Measurement module or connector defective (common)
2. MSL voltage out of range (occasional)
3. Motherboard or motherboard connector defective (occasional)

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

Module Rack red error LED stays on caution

Red error LED continuously lit; unrecoverable hardware selftest error

Ranked causes

1. MSL cable defective (common)
2. Flex connector main board to MSL defective (occasional)
3. CPU module defective (occasional)

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

Monitor alarmed but Nurse Call did not activate patient safety

Monitor generates alarm condition but Nurse Call system is not triggered or activated by the alarm

Ranked causes

1. Incorrect Nurse Call Relay configuration (latency, trigger settings) (common)
2. Cable connection to monitor or nurse call system incorrect (common)
3. Connector board or Flexible Nurse Call Relay I/O board defective (occasional)

First check

Verify Nurse Call Relay configuration settings

Test point: Monitor configuration menu - Relay latency and trigger settings
Expected: Configuration matches Nurse Call system requirements

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

No connectivity to PIC without error message

Monitor has no connection to Philips Information Center; no prompt or error message appears on monitor display

Ranked causes

1. Hardware defect (LAN cable or NGN board) (occasional)
2. Network switch failure (occasional)
3. Configuration problem (occasional)

First check

Inspect LAN cable

Test point: Cable ends, connectors
Expected: No visible damage, corrosion, or loose pins

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

No sounds from PC

iPC produces no audio output to patient monitor

Ranked causes

1. PC sounds disabled (common)
2. Flat ribbon cable not connected correctly (common)
3. Windows audio drivers incorrect or disabled (occasional)

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

No Test Sound issued caution

Audio test tone does not sound during boot sequence when expected

Ranked causes

1. INOPs condition (common)
2. Speaker defective (occasional)
3. Main board defective (occasional)

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

Other bed overview not available

Other bed overview function is not available for remote monitoring of adjacent beds

Ranked causes

1. Configuration problem in PIC (common)
2. Switch multicast filter configuration issue (occasional)
3. Feature incompatible with IntelliVue Instrument Telemetry or legacy WLAN (occasional)

First check

Verify PIC configuration for care groups

Test point: PIC management interface
Expected: Monitor and adjacent monitors assigned to same care group

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

PC does not start automatically or manually

iPC fails to boot or start when powered

Ranked causes

1. HW setting incorrect (common)
2. Flat ribbon cable not connected correctly (common)
3. iPC defective (occasional)

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

PC HW Malfunction prompt issued

Hardware malfunction detected in iPC during operation

Ranked causes

1. Battery empty (common)
2. PC temperature too high (common)
3. PC defective (occasional)

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

Power Loss Alarm Buzzer not working or test fails patient safety

Power loss alarm buzzer does not sound or fails self-test

Ranked causes

1. Power loss sound is disabled (common)
2. Cable connections between power supply and main board loose or disconnected (occasional)
3. Main board defective (occasional)

First check

Verify power loss sound is enabled

Test point: Main Setup -> Global Settings -> Power Loss Sound
Expected: Power loss sound enabled

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

Red Error LED blinks (cyclic reboots) high voltage

Red Error LED blinks repeatedly, indicating the monitor is cycling through reboot attempts

Ranked causes

1. Hardware or Software Failure (common)
2. Software Fault detected by Support Tool (occasional)
3. Hardware Failure (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. Connector Board defective (rare)
2. Remote Control not connected per USB rules (common)
3. Remote Control defective (occasional)

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

Settings Malfunction INOP message

Configuration settings corrupted or cloning process failed

Ranked causes

1. Problem during cloning process (occasional)
2. Memory space corrupted (occasional)
3. Main board defective (rare)

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

Wireless Remote Control not functioning

Wireless remote does not respond or control monitor

Ranked causes

1. SRR option not enabled (common)
2. Low battery (common)
3. Remote Control defective (occasional)

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

AGM connected to RS232 port not functioning

External Alarm Group Module device connected to MIB/RS232 port is not operational or unresponsive

Ranked causes

1. MIB/RS232 board in wrong slot after software configuration change (common)
2. MIB/RS232 board or connector board defective (occasional)

First check

Verify I/O board slot placement matches current software configuration

Test point: MIB/RS232 board position in monitor
Expected: Board in correct slot per current configuration

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

Alarm LEDs illuminate but no alarm sound patient safety

Remote alarm device displays LEDs but produces no audio

Ranked causes

1. Speaker defective (common)
2. Remote device I/F defective (occasional)

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

Alarm LEDs remain off patient safety

Alarm indicator LEDs on front panel do not illuminate during boot sequence

Ranked causes

1. Alarm LED board is defective (common)
2. Main board defective (occasional)

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

Communication dropouts or gaps in parameter waves; SRR Interference INOP may be issued patient safety

Intermittent communication loss or waveform display gaps; possible SRR Interference INOP

Ranked causes

1. RF Interferences present (common)
2. Too many SRR devices allocated to one SRR channel (occasional)

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

INOP message: Check Nurse Call Relay issued patient safety

Monitor displays INOP (inoperable) status message for Nurse Call Relay; relay functionality disabled or flagged as failed

Ranked causes

1. Connector board defective (common)
2. Flexible Nurse Call Relay I/O board defective (common)

First check

Verify Nurse Call Relay board type and check for defects

Test point: Connector board or Flexible Nurse Call Relay I/O board
Expected: Board intact and functional

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

IntelliVue 802.11 Bedside Adapter not yet operational caution

Wireless adapter shows as 'Off' in Wireless LAN menu but WLAN has not been disabled by setting

Ranked causes

1. Adapter initializing or not fully activated (occasional)
2. Wired LAN cable installed, disabling wireless (occasional)

First check

Verify wireless LAN menu status

Test point: Main Setup > Network > WLAN Diagnostic > Wireless LAN
Expected: Status is 'On' (not 'Off')

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

LAN connection not functioning

Network interface on iPC not working

Ranked causes

1. Flat ribbon cable not connected correctly (common)
2. iPC defective (occasional)

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

Leakage between pump outlet and mCO2 outlet detected

Flowmeter reading exceeds 4 ml/min when mCO2 outlet is blocked during leakage check part 1

Ranked causes

1. Poor tubing connections at pump outlet or extension gas outlet (common)
2. Leakage in tubing (occasional)

First check

Inspect tubing connections at pump outlet and extension gas outlet

Test point: pump outlet connection, extension gas outlet connection
Expected: connections tight with no visible damage or disconnection

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

Measurement selection icon changes to SRR but assignment fails; SRR Interference INOP issued

SRR device assignment fails after icon changes to SRR; Interference INOP message displayed

Ranked causes

1. RF Interferences present (common)
2. Too many SRR devices allocated to one SRR channel (occasional)

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

Multi-Measurement Module does not start but LEDs are normal caution

Module powers on with normal LED status but fails to initialize or communicate

Ranked causes

1. Communication lines in MSL cable or MSL connector broken (common)
2. Connector board, MSL2 board or main board defective (common)

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

More symptoms

No Central Monitoring message (monitor not assigned)
No network icon displayed
No network icon or network icon flashes
PC Operating System does not start up
Print job could not be queued
Recorder M1116C paper not feeding
Recorder M1116C poor print quality
Recorder paper not feeding properly
Recorder poor print quality
Remote printer unavailable
SRR communication aborted; SRR Interference or SRR Invalid Chan INOP may be issued
Troubleshooting INOP ECG Out Equipment Malfunction
Windows operating system corrupted
802.11 Bedside Adapter configuration problem (WEP, WPA/WPA2 PSK)
Alarm sound issued but no LEDs light up
Applied part leakage current test and performance testing
Calibration verification: CO2 measurement
Calibration: Cardiac output measurement
Calibration: CO2 gas measurement
Calibration: Spirometry barometer check
Calibration: Spirometry flow measurement
Calibration: Spirometry leak test
Calibration: Touchscreen
Check Monitor Func INOP message
Check Passwords INOP message
ChkAudioSettings INOP issued
Date and Time not displaying correctly
DC/DC board refitting
Display Resolution incorrect
DVI, VGA, DisplayPort or USB not functioning
ECG Out function does not function
Final inspection after reassembly
Front bezel refitting
Gas analyzer module switched off
Gas analyzer warmup in progress
Gas module unplugged
Housing top cover refitting
Incompatible software version message
INOP Message Serverlink Malf displayed; audible indicator beep every two seconds
iPC menu not available
Keypad flexible connection refitting
Keypad rigid connection refitting
MAC correction patient data missing
MAC correction source error
Main board refitting and connection
MCC Unsupported INOP message
Measurement module ignored
Measurement selection icon does not change to SRR
Measurement supported by server does not come up on monitor
Module Rack red error LED flashes
MSL Flex assembly reassembly
MSL Power High INOP issued
MSL Power Off INOP issued
MSL Power Overload INOP issued
Multi-Measurement Module does not start up; no LEDs active, no INOP or prompt displayed
N2O measurement overrange
N2O unable to measure
N2O waveform clipped
NBP pump replacement and reassembly
No Central Monitoring with Management Association available
No network icon or network icon flashes with no central association
No Time Service detected
Noise index exceeds tolerance
O2 measurement overrange
O2 unable to measure
O2 waveform clipped
O2 zero calibration failed
Operating System crashes during startup
Other bed alarms not appearing
PC is unstable or shows colors incorrectly
Prompt message Too many <label> modules connected issued
Re-enable certificate check after troubleshooting
Recorder does not lock into module rack
Recorder M1116C does not lock into rack
Recorder M1116C door open error
Recorder M1116C paper out error
Recorder M1116C recording content unexpected
Recorder thinks door is open
Recorder thinks out of paper
Recorder will not run
Remote Control cannot be assigned to monitor
Remote printer reports but does not print
Support Tool unavailable for remote calibration initiation
Telemetry device using SRR not recognized by monitor
Touch position invalid
Touchscreen calibration initiated on multiple display system
Touchscreen deactivated after power loss during calibration
Touchscreen mis-calibrated due to incorrect point selection
Undesired PC sounds from internal speaker
Unrecognized measurement module
Wireless out of range
Zero calibration failure altitude-dependent error
Zero calibration in progress

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

Error codes

Code	Meaning	Trigger	Severity
`Agent Label> Overrange`	Anesthetic agent concentration exceeds measurement range	Agent concentration higher than maximum measurable value	warning
`Agent Label> Unable To Meas`	Gas analyzer unable to measure anesthetic agent	Agent measurement failure	error
`Check Watertrap`	Water trap requires inspection or emptying	Water trap full or sample/exhaust line disconnected	warning
`CO2 Equip Malf`	CO2 parameter module malfunction	CO2 module failure or disconnection	error
`ECG Equip Malf`	ECG parameter module malfunction	ECG module failure or disconnection	error
`Gas Analyzer> Occlusion`	Gas sample line or exhaust line obstruction	Restricted or blocked gas flow through analyzer	error
`Gas Analyzer> Zero Failed`	Gas analyzer zero calibration failed	Unable to complete zero calibration procedure	warning
`GM Accuracy?`	Gas analyzer measurement accuracy may be reduced	Potential sensor or calibration accuracy degradation	warning
`GM Component Malf`	Gas analyzer component malfunction	Internal gas analyzer component failure	error
`GM Malfunction`	Gas analyzer hardware malfunction	General gas analyzer hardware failure	critical
`INOP Check Nurse Call Relay`	Nurse Call Relay system inoperable; relay not functioning	Relay board defective, connector problem, or configuration error	warning
`INOP EcgOut Equip Malf`	ECG OUT equipment malfunction; ECG output system not operational	ECG OUT cable disconnected, MSL connection failure, or Power Switch/ECG OUT board defective	error
`NBP Equip Malf`	Non-invasive blood pressure module malfunction	NBP module failure or disconnection	error
`RESP Equip Malf`	Respiration parameter module malfunction	Respiration module failure or disconnection	error
`SpO2 Equip Malf`	SpO2 parameter module malfunction	SpO2 module failure or disconnection	error
`SpO2 Transduc Malf`	SpO2 transducer malfunction	SpO2 transducer 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.