FR FieldReady Academy
Patient monitors

Agilent M1205: troubleshooting and error codes

The ServiceForge knowledge base holds 117 documented symptoms for the Agilent M1205, with 300 ranked causes, 173 diagnostic checks with test points and expected values, and 202 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

BIS module INOP with specific error messages patient safety

Monitor displays INOP message and/or alarm indicator for BIS module with specific fault codes

Ranked causes

  1. 1. BIS module unplugged (common)
  2. 2. BIS module hardware malfunction or overcurrent (common)
  3. 3. BIS Engine not connected (common)
  4. 4. BIS Engine software incompatible (occasional)
  5. 5. BIS Engine hardware malfunction (occasional)
  6. 6. DSC not properly connected (occasional)
  7. 7. DSC hardware malfunction or PIC faulty (occasional)
  8. 8. DSC incompatible with BIS Engine (occasional)
  9. 9. BIS Sensor hardware malfunction (occasional)
  10. 10. BIS Sensor not properly connected (occasional)
  11. 11. Unsupported or unknown Sensor type connected (occasional)
  12. 12. Sensor expired due to overuse (occasional)

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

CO2 module INOP messages displayed

CO2 parameter displayed but one or more INOP alarm messages appear; examples include CO2 UNPLUGGED, CO2 EQUIPM MALF, CO2 NO TRANSDUCER, CO2 FAILED CAL, CO2 SENSOR WARM UP, etc.

Ranked causes

  1. 1. Transducer malfunction or module failure (common)
  2. 2. No transducer connected (common)
  3. 3. Calibration failed or aborted (common)
  4. 4. Transducer warming up (occasional)
  5. 5. Calibration in progress (occasional)
  6. 6. Calibration mode set but not started (occasional)
  7. 7. CO2 value out of calibration range (occasional)
  8. 8. ETCO2 value exceeds display scale (occasional)
  9. 9. Sidestream flow too low (occasional)
  10. 10. Sidestream tubing occlusion (occasional)
  11. 11. Sidestream pump malfunction (rare)
  12. 12. Sidestream pump auto-shutdown after apnea detection (occasional)
First check

Run CO2 module self-test

Test point
Self-test menu or diagnostics
Expected
Test numerics read exactly as listed; no failures

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

SpO2/Pleth INOP with waveform display issue patient safety

Module shows INOP message but waveform may appear; specific fault codes indicate transducer, signal, or measurement issues

Ranked causes

  1. 1. No transducer connected (common)
  2. 2. Malfunction in transducer or module (common)
  3. 3. Module unplugged from rack (occasional)
  4. 4. Erratic SpO2 measurements (common)
  5. 5. Noisy signal from patient movement or EMI (occasional)
  6. 6. Ambient light or cable-induced EMI interference (occasional)
  7. 7. Pulse too weak or non-pulsatile (occasional)
  8. 8. Transducer displaced during auto wave fixing (occasional)
  9. 9. SpO2 or PLETH transducer defective (occasional)
First check

Perform SpO2/Pleth Module Self-Test

Test point
Module self-test procedure
Expected
Test numerics match listed values exactly

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

Temperature module not displaying or shows repeated INOPS patient safety

TEMP module fails to display readings or generates repeated INOP status messages on patient monitor

Ranked causes

  1. 1. Temperature probe not connected to module (common)
  2. 2. TEMP parameter disabled (common)
  3. 3. TEMP numeric display disabled (common)
  4. 4. Too many TEMP modules installed (occasional)
  5. 5. Poor module-to-rack connection (occasional)
  6. 6. Faulty rack slot connector (occasional)
  7. 7. Faulty satellite rack-to-function box cable (occasional)
  8. 8. Defective TEMP module (occasional)
  9. 9. Faulty rack or rack interface card (occasional)
First check

Verify temperature probe is physically connected

Test point
TEMP module connector
Expected
Probe connected

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

C.O. module not responding or displaying error indicators

Visual indications or repeated INOP messages displayed for the Cardiac Output module; no response from module.

Ranked causes

  1. 1. C.O. Interface Cable or catheter not connected (common)
  2. 2. C.O. parameter or numeric display not enabled (common)
  3. 3. Multiple C.O. modules plugged in simultaneously (occasional)
  4. 4. Loose connection on module or rack interface (common)
  5. 5. Module not properly seated or faulty module slot connector (occasional)
  6. 6. Faulty Satellite Rack to function box cable (occasional)
  7. 7. Defective C.O. module (occasional)
  8. 8. Defective rack or rack interface card (occasional)
First check

Verify C.O. Interface Cable connection

Test point
C.O. Interface Cable connector
Expected
Cable fully seated to module

9 more checks with pass and fail actions, 12 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

CO2 module not recognized

CO2 parameter or numeric display missing or module shows no signs of operation; LED does not light up when module plugged in

Ranked causes

  1. 1. No transducer connected to module (common)
  2. 2. CO2 parameter or numeric turned off (common)
  3. 3. Multiple CO2 modules plugged in (occasional)
  4. 4. Module-rack connection loose (occasional)
  5. 5. Rack slot connector faulty (rare)
  6. 6. Satellite Rack to function box cable defective (rare)
  7. 7. CO2 module defective (rare)
  8. 8. Rack or rack interface card defective (rare)
First check

Verify transducer connected to module

Test point
CO2 module transducer connector
Expected
Transducer physically present and seated

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

Pressure module unresponsive or missing parameters

Pressure parameters or numerics not displayed; module shows no status indication or LED not lit

Ranked causes

  1. 1. No transducer connected to module (common)
  2. 2. Pressure parameter or numeric is turned off (common)
  3. 3. Too many pressure modules connected (occasional)
  4. 4. Module connection intermittent or loose (common)
  5. 5. Rack slot connector faulty (occasional)
  6. 6. Satellite Rack to function box cable faulty (rare)
  7. 7. Pressure module hardware defective (occasional)
  8. 8. Rack or rack interface card defective (rare)
First check

Verify transducer presence

Test point
Module inlet port
Expected
Transducer physically connected

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

ECG/RESP module INOP status lights or module unresponsive

Module fails to light green LED on insertion or shows INOP messages for ECG/RESP parameters; module not functional in rack.

Ranked causes

  1. 1. Missing or disconnected trunk cable and lead set (common)
  2. 2. ECG and RESP parameters not enabled (common)
  3. 3. Multiple ECG/RESP modules installed (occasional)
  4. 4. Module or rack connector fault (occasional)
  5. 5. Defective module slot or rack (rare)
  6. 6. Defective ECG/RESP module (occasional)
  7. 7. Defective rack interface card (rare)

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

Module self-test displays abnormal values

Module self-test produces test waveforms or numerics that do not match expected values for the patient category

Ranked causes

  1. 1. ECG module malfunction (rare)
  2. 2. Pressure module malfunction (rare)
  3. 3. SpO2/Pleth module malfunction (rare)
  4. 4. Cardiac Output module malfunction (rare)
  5. 5. tcpO2/tcpCO2 module malfunction (rare)
  6. 6. ETCO2 module malfunction (rare)
  7. 7. Temperature module malfunction (rare)
First check

Verify ECG module test heart rate in ADULT mode

Test point
Monitor display
Expected
100 bpm

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

Pressure module self-test failure with INOP messages

Module displays self-test numerics that do not match specified values; INOP message persists with specific cause code

Ranked causes

  1. 1. <Px> UNPLUGGED (common)
  2. 2. <Px> NO TRANSDUCER (common)
  3. 3. <Px> EQUIP MALF (occasional)
  4. 4. <Px> ZERO + CHECK CAL (occasional)
  5. 5. <Px> OVERRANGE (occasional)
  6. 6. CPP CHECK SOURCES (occasional)
  7. 7. CPP CHECK UNITS (occasional)
First check

Perform module self-test

Test point
Self-test numerics display
Expected
Self-test numerics match exactly the listed specification values

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

Printer not available or malfunction status message

Monitor displays 'No Printer Available' or 'Printer Malfunction' message

Ranked causes

  1. 1. Printer not connected to monitor (common)
  2. 2. Printer out of paper (common)
  3. 3. Printer power off (common)
  4. 4. Printer configured incorrectly (occasional)
  5. 5. Wrong printer setup in Configuration Mode (occasional)
  6. 6. Printer hardware malfunction (rare)
  7. 7. RS232 interface defective (rare)
First check

Verify printer RS232 cable connection

Test point
RS232 connector
Expected
Cable firmly seated and secure

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

SpO2/Pleth module not recognized or offline patient safety

No module indication on display, INOP messages shown, or module LED does not light after insertion

Ranked causes

  1. 1. No transducer connected (common)
  2. 2. SpO2/Pleth parameter or numeric not enabled (common)
  3. 3. Too many SpO2/Pleth modules in same rack (occasional)
  4. 4. Faulty module connector or slot (occasional)
  5. 5. Defective satellite rack cable (occasional)
  6. 6. Defective SpO2/Pleth module (occasional)
  7. 7. Defective rack or rack interface card (rare)
First check

Verify transducer connection

Test point
Module transducer port
Expected
Transducer connected and seated

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

BIS module shows error indicators or repeated INOPS patient safety

BIS module displays fault messages or INOP (inoperative) indicators on monitor screen

Ranked causes

  1. 1. BIS module unplugged or disconnected from rack (common)
  2. 2. BIS Engine not connected or Module Cable defective (common)
  3. 3. Rack connector faulty (occasional)
  4. 4. Satellite Rack cable faulty (occasional)
  5. 5. BIS module hardware defective (occasional)
  6. 6. Rack or rack interface card defective (rare)
First check

Verify BIS Engine, DSC and Sensor connections

Test point
BIS module connectors
Expected
All devices connected

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

Flat Panel backlight fails to light

Display backlight does not illuminate. May indicate cable, converter, or panel assembly failure.

Ranked causes

  1. 1. Cable connecting System Board to CDCI Board or Display Driver Board is defective (occasional)
  2. 2. Cable connecting CDCI Board to Flat Panel Adapter Board is defective (occasional)
  3. 3. Cable connecting Flat Panel Adapter Board to Flat Panel is defective (occasional)
  4. 4. Converter Board is defective (occasional)
  5. 5. Flat Panel assembly is defective (occasional)
  6. 6. Backlight is defective (occasional)

Blood Analysis module not operational

Module fails to operate or displays INOPS message; 2 green LEDs do not light after re-plugging

Ranked causes

  1. 1. Module connector faulty or module not seated (common)
  2. 2. Rack slot connector faulty (occasional)
  3. 3. Cable from Satellite Rack to function box faulty (occasional)
  4. 4. Blood Analysis module defective (occasional)
  5. 5. Rack or rack interface card defective (occasional)
First check

Verify parameter is enabled

Test point
Blood Analysis parameter setting
Expected
Parameter turned on

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

Display contrast or brightness not adjustable

Contrast adjustment knob (V24) or brightness adjustment (V24C/V26C/V24CT/V26CT) fails to change display

Ranked causes

  1. 1. Potentiometer assembly failure (common)
  2. 2. Flat Panel Adapter Board defective (occasional)
  3. 3. Ribbon cable connecting CDCI Board to Flat Panel Adapter Board faulty (occasional)
  4. 4. Flat Panel cabling defective (occasional)
  5. 5. Flat Panel assembly failure (occasional)

60V LED off or flashing

The 60V power supply LED indicator on the power supply is not illuminated or is flashing

Ranked causes

  1. 1. Power supply failure (common)
  2. 2. Internal 60V cable faulty or disconnected (occasional)
  3. 3. Internal 60V connector problem (occasional)
  4. 4. Short circuit in plug-in rack or parameter modules (occasional)
First check

Unplug rack from monitor

Test point
Plug-in rack connector
Expected
60V LED should go off or stop flashing if short is in rack

1 more check with pass and fail actions are in ServiceForge. Connect ServiceForge to your AI

Backlight fails to light

Flat Panel display backlight does not illuminate when power is applied

Ranked causes

  1. 1. Cable connecting System Board to Flat Panel Adapter Board faulty or disconnected (common)
  2. 2. Flat Panel Adapter Board failure (occasional)
  3. 3. Cable connecting Flat Panel Adapter Board to Flat Panel faulty (occasional)
  4. 4. Backlight failure (occasional)
First check

Check 12V LED on power supply

Test point
Power supply LED indicator
Expected
12V LED light is on

Blank display screen

Display shows no output or content

Ranked causes

  1. 1. Display brightness reduced by overheating from room temperature or nearby equipment (occasional)
  2. 2. Flat Panel Data Cable to System Board broken or disconnected (common)
  3. 3. Backlight inverter power supply fails (occasional)
  4. 4. Contrast or Brightness Control Assembly fails (occasional)

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

Display is blank

Display screen shows no image or information

Ranked causes

  1. 1. No 12 volts present in instrument, contrast control not adjusted correctly, or backlight failed (common)
  2. 2. Flat Panel Data Cable disconnected or broken (occasional)
  3. 3. Backlight inverter power supply fails (occasional)
  4. 4. Contrast or Brightness Control Assembly fails (occasional)

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

Flat Panel display shows no image (blank or black screen)

Screen appears totally black or blank despite power-on. Backlight may or may not be on.

Ranked causes

  1. 1. Backlight is off (common)
  2. 2. Power supply (+5V), System Board, DSPC Board, or Display Driver Board is defective (occasional)
  3. 3. Flat Panel assembly is defective (occasional)
  4. 4. Cables between boards are defective (occasional)

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

Module does not power on or LED does not light

After unplugging and re-plugging tcpO2/tcpCO2 module, green LED does not light up or parameter displays are absent.

Ranked causes

  1. 1. Faulty module slot connector (occasional)
  2. 2. Defective satellite rack to function box cable (occasional)
  3. 3. Defective tcpO2/tcpCO2 module (occasional)
  4. 4. Faulty rack or rack interface card (occasional)
First check

Green LED lights after module re-plug

Test point
Module LED indicator
Expected
LED lights

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

NBP module not responding

No LED indication on NBP module after insertion or green LED not lighting

Ranked causes

  1. 1. Module connector contact failure (occasional)
  2. 2. Faulty satellite rack to function box cable (occasional)
  3. 3. NBP module is defective (occasional)
  4. 4. Rack or rack interface card failure (occasional)
First check

Ensure NBP parameter and numeric are enabled

Test point
Monitor display
Expected
NBP parameter and numeric display enabled

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

Power supply LED status indicators extinguished or abnormal caution

One or more LEDs on power supply assembly (visible through LEFT air vent) are not illuminated when they should be, or fuse blown suspected.

Ranked causes

  1. 1. LEFTMOST (AC Power) LED extinguished - Fuses F1, F2 (AC fuses) or F6 (18V fuse) blown (common)
  2. 2. MIDDLE (+5Vdc logic) and RIGHTMOST (12V) LEDs extinguished (occasional)
  3. 3. Only RIGHTMOST LED (+12V/60V) extinguished, MIDDLE LED on (occasional)
  4. 4. Only MIDDLE LED extinguished (occasional)
First check

Turn off power and remove front housing

Test point
Power supply assembly
Expected
Access to power supply and fuses

1 more check with pass and fail actions, 18 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

System Board fault indicators abnormal

Status LEDs on System Board indicate fault in Application Processor, Utility Processor, or SDN subsystem

Ranked causes

  1. 1. SDN subsystem reset error (occasional)
  2. 2. Application Processor system error (occasional)
  3. 3. Utility Processor system error (occasional)
  4. 4. System Board power loss (occasional)
First check

Observe SDN LED status

Test point
SDN Indicator LED on System Board
Expected
Should be OFF during normal operation

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

Temperature module INOP with specific error code patient safety

TEMP module generates specific INOP messages indicating the nature of the malfunction

Ranked causes

  1. 1. TEMP module unplugged from rack (common)
  2. 2. Temperature probe disconnected from module (common)
  3. 3. Temperature out of measurement range (occasional)
  4. 4. TEMP module hardware malfunction (rare)
First check

Perform temperature module self-test

Test point
TEMP module self-test numeric output
Expected
Exactly matches listed value in self-test procedure

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

5V/12V LEDs off or flashing caution

The 5V and/or 12V power supply LED indicators are not illuminated or are flashing, indicating overload or short circuit

Ranked causes

  1. 1. Power supply failure (common)
  2. 2. Short circuit on System Board or after power supply (common)
  3. 3. Short circuit on Flat Panel circuitry (occasional)
First check

Disconnect power supply to System Board 5V/12V ribbon cable

Test point
5V/12V ribbon cable connector
Expected
5V and 12V LEDs should remain off if power supply problem, or turn on if short is downstream

Battery or battery charger circuit suspected as faulty patient safety

Battery charging issue suspected; battery voltage measurement needed. For battery-backed operation troubleshooting.

Ranked causes

  1. 1. Battery over-discharged (voltage below 9 Vdc) (occasional)
  2. 2. Battery voltage between 9 and 14.7 Vdc (occasional)
  3. 3. Battery voltage absent; fuse F7 or F8 blown (occasional)
First check

Connect monitor to AC power and observe leftmost LED is illuminated

Test point
Power supply AC input
Expected
Leftmost LED illuminated

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

Display shows all white or deep blue without contrast control response

Monochrome screen is either all white or deep blue and does not change with movement of contrast control thumbwheel

Ranked causes

  1. 1. Flat Panel contrast circuit on Flat Panel Adapter Board failure (common)
  2. 2. Contrast control potentiometer failure (occasional)
  3. 3. Contrast circuit cabling defective (occasional)

Display shows no image with adjustable contrast

Monochrome screen can be adjusted in brightness via contrast control but no display appears

Ranked causes

  1. 1. System Board failure (occasional)
  2. 2. Flat Panel assembly failure (occasional)
  3. 3. Display cabling defective (occasional)

Equipment malfunction with INOP messages patient safety

Task window displays 'TC Equip Malf' error with one or more INOP messages and incorrect self-test readings.

Ranked causes

  1. 1. Module malfunction (common)
  2. 2. Transducer insertion wear causing intermittent microswitch (occasional)
  3. 3. Polarization or supply voltage out of range, or transducer heating malfunction (common)
First check

Module self-test readings

Test point
tcpO2 and tcpCO2 self-test numerics
Expected
tcpO2 exactly 60 mmHg (8.0 kPa); tcpCO2 exactly 40 mmHg (5.3 kPa)

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

Invalid or expired CLEW

Message 'Invalid or Expired CLEW, See Manual' displayed; error codes 12 or 13 for BLOODANL CONFIG

Ranked causes

  1. 1. Invalid date code in V24/V26 (occasional)
  2. 2. CLEW version expired (occasional)
  3. 3. CLEW update not successfully finished (occasional)

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

LEADS OFF or LEADS OFF XX or LEADS OFF (EL.X) message with INOP displayed

One or more ECG electrodes are disconnected, missing, or incorrectly attached; lead integrity check failed.

Ranked causes

  1. 1. Electrode not attached or displaced (common)
  2. 2. Wrong lead set used with EASI option enabled (occasional)
  3. 3. Lead set or ECG module defective (rare)
First check

Verify all ECG electrodes attached

Test point
Patient skin contact points (standard or EASI configuration)
Expected
All electrodes seated without air gaps

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

LEDs on Keypad fail to work

Keypad indicator LEDs do not illuminate

Ranked causes

  1. 1. Keypad fails (common)
  2. 2. Cable, Keypad to System Board disconnected or broken (common)
  3. 3. Defective System Board (occasional)

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

Module not detected or transducer not connected

Parameter displayed as OFF or missing from display; no transducer detected; prompts to insert or change transducer; or site timer expired.

Ranked causes

  1. 1. No transducer connected (common)
  2. 2. Module not fully plugged in (common)
  3. 3. Site timer expired (occasional)

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

Module rack configuration error or LED flashing

Error message 'only 6 slots may be occupied by modules' displayed, or RIGHTMOST LED on power supply flashing continuously.

Ranked causes

  1. 1. Rack has too many parameter modules plugged in (more than 6 slots occupied) (common)
  2. 2. Faulty parameter module causing configuration error (occasional)
  3. 3. Faulty rack assembly (rare)

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

NBP EQUIP MALF message displayed patient safety

Hardware problem in NBP module or tubing system; pressure transducers report different values

Ranked causes

  1. 1. Faulty tubing or cuff connection (common)
  2. 2. Pressure transducer calibration drift or mismatch (occasional)
  3. 3. NBP module hardware failure (occasional)
First check

Inspect and replace tubing

Test point
NBP tubing from module to cuff connector
Expected
New tubing installed without kinks or blockages

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

No audio alarms patient safety

Audible alarm sounds do not occur

Ranked causes

  1. 1. Speaker has failed or broken wire to speaker (common)
  2. 2. Defective Audio Circuit (common)
  3. 3. Power supply 12-volt source fails (occasional)

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

SDN daughter board fault detected

Model V24 system shows fault in SDN portion when SDN Daughter Board configuration is present. Troubleshooting procedures in Chapter 3 indicate SDN circuitry problem.

Ranked causes

  1. 1. SDN Daughter Board failure (common)
  2. 2. System board failure (occasional)
  3. 3. SDN Daughter Board to System Board cables failure (occasional)

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

Zero and gain check verification

Perform tcpO2 zero check and tcpCO2 gain check on transducer to verify correct operation.

Ranked causes

  1. 1. Calibration unit or gases not ready (occasional)
  2. 2. Transducer unacceptable drift after Cal 1 test (occasional)
  3. 3. Cal 2 test out of range (occasional)
First check

Calibration unit function and Service mode status

Test point
Calibration unit operation and software mode
Expected
Calibration unit operational; not in Service mode

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

BIS high impedance detected patient safety

Monitor displays BIS HIGH IMPEDANCE indicating electrode impedance above valid range

Ranked causes

  1. 1. Poor skin preparation (common)
  2. 2. PIC or DSC cable faulty (occasional)

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

BIS signal quality below 15% patient safety

Monitor displays SQI < 15% indicating poor BIS waveform quality from motion, electrocautery, or sensor placement

Ranked causes

  1. 1. Sensor not properly attached to patient (common)
  2. 2. Patient motion or muscle activity (common)

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

Blood Analysis parameter or results missing

Expected parameter or measurement results do not display

Ranked causes

  1. 1. Parameter not enabled in Results Selection Task Window (common)
  2. 2. Measurement not confirmed or not updated (common)
First check

Verify parameter display setting

Test point
Results Selection Task Window
Expected
Parameter switched on

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

Buzzing noise in instrument

Audible buzzing or buzzing sound from instrument

Ranked causes

  1. 1. Defective Audio Circuit (common)
  2. 2. Defective Power Supply (common)

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

Calibration failed or required patient safety

Calibration fails to complete or is required before transducer application; message 'tc CAL FAILED' or 'tc CAL REQUIRD' displayed.

Ranked causes

  1. 1. Out of range or unstable signal during calibration (occasional)
  2. 2. Calibration not yet performed (common)

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

Cannot send data on SDN or to Central Station

Failure to transmit data on SDN; failure message displayed on Central Station

Ranked causes

  1. 1. Defective SDN circuitry (common)
  2. 2. SDN cable assembly disconnected or broken (common)

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

Cartridge not inserted properly

Message 'Cartridge Not Inserted Properly' displayed; error code 47 for blood analysis failed

Ranked causes

  1. 1. Cartridge not fully inserted (common)
  2. 2. Cartridge removed after measurement started (occasional)

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

Contrast control does not adjust display properly

Turning contrast knob does not produce expected voltage variation or does not control display.

Ranked causes

  1. 1. Flat Panel Adapter Board is defective (common)
  2. 2. Contrast control assembly is defective (common)
First check

Attach voltmeter to test points and measure voltage while adjusting contrast knob

Test point
TP4 Flat Panel GND, TP5 VLCD
Expected
-12 to -21 volts DC (approximate) V, -12 to -21
Tools
Voltmeter

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

Contrast or Brightness control knob does not adjust display

Contrast or brightness control knob fails to change display appearance or intensity

Ranked causes

  1. 1. Voltage control in Flat Panel Assembly fails (common)
  2. 2. Contrast or Brightness Control Assembly fails (common)

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

Flat Panel display dies when AC power cord removed patient safety

Display goes blank immediately when AC power is disconnected in battery model

Ranked causes

  1. 1. Batteries not installed (common)
  2. 2. Batteries discharged (common)
First check

Check for battery presence

Test point
Battery compartment
Expected
Batteries should be present

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

Module does not respond to key press

Pressing the ECG key does not bring up the task window, waveform, or numeric display on the monitor

Ranked causes

  1. 1. Plug-in module not turned ON (common)
  2. 2. System board or integral rack not communicating with module (occasional)
First check

Verify module is powered ON

Test point
Module front panel key
Expected
Module powers on when key is pressed

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

NBP CUF NOT DEFLATED message displayed patient safety

Cuff remains inflated after measurement cycle; fails to deflate properly

Ranked causes

  1. 1. Tubing blockage or cuff malfunction (occasional)
  2. 2. NBP module pneumatic control failure (occasional)
First check

Replace NBP tubing and cuff

Test point
Tubing patency and cuff condition
Expected
New tubing and cuff installed; tubing patent without blockages

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

NBP CUFF OVERPRESS message displayed patient safety

Cuff pressure exceeded normal range during inflation cycle

Ranked causes

  1. 1. Strong patient movement during inflation (common)
  2. 2. Pneumatic control defect in module (occasional)
First check

Restart measurement with patient immobilized

Test point
Patient position and movement
Expected
Patient quiet without strong movement during cuff cycle

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

NBP INTERRUPTED message displayed patient safety

Measurement interrupted due to patient movement or pump inflation/deflation timeout

Ranked causes

  1. 1. Strong patient movement during measurement (common)
  2. 2. Cuff not connected or tubing/cuff leakage (occasional)
First check

Ensure patient remains still during measurement

Test point
Patient movement observation
Expected
Patient quiet and immobilized during cuff inflation/deflation cycle

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

No marker pulse on screen

Marker pulse absent from ECG display

Ranked causes

  1. 1. ECG Analog Output is defective (common)
  2. 2. Defib sync input circuit is defective (common)

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

no Tinj transducer connected (Injectate Temperature Probe problem)

INOP message indicates Injectate Temperature Probe cable is not connected, broken, or module is faulty. Displayed when setting up or during C.O. measurement.

Ranked causes

  1. 1. Injectate Temperature Probe cable not connected or dirty connectors (common)
  2. 2. Faulty C.O. Interface Cable or module (occasional)
First check

Visually inspect Injectate Temperature Probe cable connection

Test point
Probe cable connector on C.O. Interface Cable
Expected
Cable fully seated; connectors clean and free of dirt

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

RESP LEAD OFF or RESP EQUIP MALF message displayed

Respiration measurement not functioning; RESP electrode disconnected or RESP hardware malfunction detected.

Ranked causes

  1. 1. RESP electrode not attached or patient cable unplugged (common)
  2. 2. RESP hardware malfunction (rare)
First check

Verify RESP electrode attachment and patient cable connection

Test point
RESP electrode on patient; patient cable connector on module
Expected
Electrode in contact with skin; cable fully seated in connector

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

Temperature out of range caution

BLOODANL ROOM TEMP? message displayed indicating module environment outside operating limits

Ranked causes

  1. 1. Ambient temperature outside operating range (common)
  2. 2. Blocked filter or malfunctioning ventilator fan (occasional)
First check

Verify ambient temperature

Test point
Module environment
Expected
16 to 30°C (64 to 86°F), 16-30°C

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

"sync output not available" message displayed patient safety

Message "sync output not available" shown on screen; unable to monitor patient

Ranked causes

  1. 1. No +60V from Power Supply (common)
First check

Verify Green LED for 60 V on power supply is lit

Test point
Power supply 60V indicator LED
Expected
Green LED lit

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

Analysis interrupted, cartridge ejected patient safety

Message 'Analysis Interrupted, Use Other Cartridge' displayed after module removal during measurement

Ranked causes

  1. 1. Module pulled from rack during measurement (occasional)
First check

Wait for locked LED indicator

Test point
Module locked LED
Expected
LED off

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

More symptoms

  • Battery discharges much faster than expected
  • Battery indicator does not appear on display
  • BIS impedance check in progress
  • BIS isoelectric EEG detected
  • BIS lead off or electrode disconnected
  • BIS signal quality below 50%
  • Blood Analysis module INOPS displayed
  • Blood Analysis Module self-test fails
  • Buzzing noise accompanying alarm, INOP, or QRS sound
  • C.O. equipment malfunction
  • Calibration: tcpO2/tcpCO2 chamber installation
  • Calibration: Temperature module
  • Calibration: VueLink module setup after test
  • Cannot reprogram time and date correctly
  • Cartridge error
  • Cartridge preburst
  • Cartridge type not recognized
  • CO2 module not plugged in
  • Color printing not supported
  • Decrease in light intensity on display
  • Display goes blank with Front End Link protocol problem message
  • Display waves are noisy or not showing smooth QRS wave
  • ECG EQUIP MALF message displayed
  • Fluid dripping or appearing below instrument
  • Incompatible language
  • Incorrect Time and Date displayed
  • Insufficient sample
  • Invalid customization data
  • Invalid date error
  • Invalid software detected
  • Keypad or mainframe housing discolored, cracked or deformed
  • Loose handles on 8-Slot Plug-in Rack
  • Module error - see manual
  • Module error or blood analysis failed
  • Monitor does not power on or screen blank on startup
  • NBP INCORRECT CUFF message displayed
  • NBP UNPLUGGED message displayed
  • New software or CLEW installed
  • No ECG data or waveform displayed with both defib sync and balloon pump
  • No numeric display when transducer unplugged from calibration chamber
  • Nurse-call relay not functioning
  • Out of sync ECG Analog Output
  • Patient data corrupted after power failure
  • Plug-in Rack falls from wall mount
  • Readings fluctuate excessively after calibration
  • Recorder Module self-test fails
  • Sample positioned beyond fill mark
  • Sample positioned short of fill mark
  • Speaker will not work
  • SVR missing CVP (no valid CVP measurement available)
  • Tblood no transducer (interface cable or catheter problem)
  • Unable to position sample
  • Unable to upgrade instrument using CPC Programming Tool
  • Uneven brightness on display
  • Unit does not power on
  • Unknown catheter (catheter, cable, or module problem)
  • VueLink module test procedure

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

Error codes

CodeMeaningTriggerSeverity
10000–10999Software internal warningsInternal software conditioninfo
1000-1031Missing mandatory cardRequired card not installed or not detectederror
100-199Microprocessor interrupts due to hardware or software problemCPU interrupt generationcritical
1032-1063Wrong boot firmwareIncorrect firmware loaded at booterror
1064-1095Insufficient MPB RAM on CPURAM capacity insufficient for operationerror
1096–1127No Extended Test result due to Hardware problemExtended test cannot completeerror
11Invalid Date, Check clockImplausible date detected in systemerror
11000–11999Buffered data either lost or corruptedData loss or corruption detectederror
1128–1159Extended Test failedExtended test execution failureerror
1160–1191RAM Card size not compatible with backplane configurationRAM card incompatibility detectedwarning
1192–1223EEPROM configuration not compatible to Hardware configurationEEPROM/Hardware mismatchwarning
12Invalid or Expired CLEW, See ManualInvalid or expired CLEW detectederror
12000–12999EEPROM access failureEEPROM read/write errorerror
1224–1255Wrong CPUCPU identification failureerror
1256–1287CPU is too slowCPU speed inadequateerror
13Invalid or Expired CLEW, See ManualInvalid or expired CLEW detectederror
13000–13999System internal configuration related errorsSoftware module structure errorerror
14Invalid Customization DataCustomization data is invaliderror
18995 (4A33H)SDN communication problemSDN link failure or temporary SCC power losserror
1-99Hardware test failure in first boot stageRAM problem during bootcritical
2Temperature out of rangeRoom temperature outside 16 to 30°C operating rangewarning
20Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
200MPB chip errorsDefects on CPU or other MPB participantcritical
201-202System configuration problem or invalid EEPROM contentsInvalid Util CPU EEPROM data or misconfigurationerror
20120–20128 (4E98H–4EADH)Data Transfer Module errorData Transfer Module failureerror
20300 (4F4CH)Rack_IF communication problemRack interface communication failureerror
203-239MPB chip errors same as error 200Defects on CPU or MPB participantscritical
21Cartridge Preburst, Use Other CartridgeFluid detected on sensors prematurely during measurementerror
21035, 21107, 24138 (522BH, 5273H, 5E4AH)Internal time handling problemTime handling errorinfo
2110–2152Unreleased Software installed (non-fatal error)Non-released software detectedwarning
2170–3300Hardware problemHardware failure detectedcritical
22Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
22300 (571CH)Monitor reboots intermittentlyIntermittent rebooterror
23Module Error, See ManualModule malfunction during operationcritical
24Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
240Message transmission problemSystem communication failurewarning
241Same as errors 203-239 (MPB chip errors)Hardware or software failurecritical
242Message transmission problemSystem communication failurewarning
243-299Same as errors 203-239 (MPB chip errors)Hardware or software failurecritical
25Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
256Module Error, See ManualModule malfunction during operationcritical
257Module Error, See ManualModule malfunction during operationcritical
258Module Error, See ManualModule malfunction during operationcritical
259Module Error, See ManualModule malfunction during operationcritical
26Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
260Module Error, See ManualModule malfunction during operationcritical
261Module Error, See ManualModule malfunction during operationcritical
262Module Error, See ManualModule malfunction during operationcritical
263Module Error, See ManualModule malfunction during operationcritical
264Module Error, See ManualModule malfunction during operationcritical
265Module Error, See ManualModule malfunction during operationcritical
266Module Error, See ManualModule malfunction during operationcritical
267Module Error, See ManualModule malfunction during operationcritical
268Module Error, See ManualModule malfunction during operationcritical
269Module Error, See ManualModule malfunction during operationcritical
27Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
270Module Error, See ManualModule malfunction during operationcritical
271Module Error, See ManualModule malfunction during operationcritical
272Module Error, See ManualModule malfunction during operationcritical
273Module Error, See ManualModule malfunction during operationcritical
274Module Error, See ManualModule malfunction during operationcritical
275Module Error, See ManualModule malfunction during operationcritical
276Module Error, See ManualModule malfunction during operationcritical
277Module Error, See ManualModule malfunction during operationcritical
278Module Error, See ManualModule malfunction during operationcritical
279Module Error, See ManualModule malfunction during operationcritical
28Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
280Module Error, See ManualModule malfunction during operationcritical
281Module Error, See ManualModule malfunction during operationcritical
282Module Error, See ManualModule malfunction during operationcritical
283Module Error, See ManualModule malfunction during operationcritical
284Module Error, See ManualModule malfunction during operationcritical
285Module Error, See ManualModule malfunction during operationcritical
286Module Error, See ManualModule malfunction during operationcritical
287Module Error, See ManualModule malfunction during operationcritical
288Module Error, See ManualModule malfunction during operationcritical
289Module Error, See ManualModule malfunction during operationcritical
29Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
290Module Error, See ManualModule malfunction during operationcritical
291Module Error, See ManualModule malfunction during operationcritical
292Module Error, See ManualModule malfunction during operationcritical
293Module Error, See ManualModule malfunction during operationcritical
294Module Error, See ManualModule malfunction during operationcritical
295Module Error, See ManualModule malfunction during operationcritical
296Module Error, See ManualModule malfunction during operationcritical
297Incompatible LanguageLanguage mismatch between V24/V26 and moduleerror
298Module Error, See ManualModule malfunction during operationcritical
299Module Error, See ManualModule malfunction during operationcritical
3New Software Installed, Use SimulatorSoftware or CLEW recently updatedinfo
30Sample Positioned Beyond Fill MarkSample level exceeds fill mark during measurementerror
300-301EPROM checksum incorrectEPROM data corruption or mismatcherror
305-307Boot errors - software upgrade problemFlash card corruption or upgrade tool issueerror
31Unable to Position SampleNo sample movement detected during positioning phaseerror
310-315EPROM version and EEPROM version not compatibleVersion mismatch between EPROM and EEPROMerror
32Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
3212 (0C8CH)Out of memoryMemory exhaustion conditioncritical
33Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
330,335System Board does not boot up as requiredBoot failure on system boardcritical
34Unable to Position SampleNo sample movement detected during positioning phaseerror
340,356,370Communication problems between APP_CPU and MPB participantInter-CPU communication failureerror
35Sample Positioned Short of Fill MarkSample level below fill mark during measurementerror
35841, 36353 (8C01H, 8E01H)Monitor reboots intermittentlyIntermittent rebooterror
36Sample Positioned Short of Fill MarkSample level below fill mark during measurementerror
37Sample Positioned Beyond Fill MarkSample level exceeds fill mark during measurementerror
3733, 11200, 20004, 20133 (0E95H, 2BC0H, 4E24H, 4EA5H)Internal time handling problemTime handling errorinfo
38Insufficient sampleInadequate sample volume or air bubbles detectederror
380Firmware revision incompatible with software revisionVersion mismatch between firmware and softwareerror
39Insufficient sampleInadequate sample volume or air bubbles detectederror
390Communication problem between CPU and MPB participantInter-CPU communication failureerror
391,392Out of memoryMemory exhaustion on systemerror
4Analysis Interrupted, Use Other CartridgeModule pulled from rack during measurement and replacederror
40Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
400-409Out of memoryMemory exhaustion on systemerror
41Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
410-419Missing file errorsRequired files not found on systemerror
42Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
420-449Utility CPU / EEPROM errorUtility CPU or EEPROM hardware failureerror
43Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
45Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
450VUF version incompatible with application BOOT ROMUtility processor firmware incompatibilityerror
450No response from utility CPU to VUF revision requestUtility CPU communication failureerror
46Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
46146 (B442H)Non-fatal error reported by the recorder moduleRecorder module error conditionwarning
47Cartridge Not Inserted ProperlyCartridge or simulator not fully inserted into moduleerror
48Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
50Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
500-699Software problemSoftware error or corruptionerror
50497 (C541H)SDN communication problemSDN link failure or temporary SCC power losserror
51Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
52Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
53Invalid Software DetectedWrong software type detected during initializationcritical
58Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
59Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
60Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
61Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
62Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
63Module Error, See ManualModule malfunction during operationcritical
64026 (FA1AH)Monitor reboots intermittentlyIntermittent reboot conditionerror
65Module Error, See ManualModule malfunction during operationcritical
66Module Error, See ManualModule malfunction during operationcritical
67Module Error, See ManualModule malfunction during operationcritical
68Module Error, See ManualModule malfunction during operationcritical
69Cartridge Type Not RecognizedCartridge type not compatible or module faulterror
70Module Error, Use Electronic SimulatorCartridge or simulator inserted at angle or malfunctioningerror
700-799Communication problem between two CPUsInter-CPU communication failureerror
72Module Error, See ManualModule malfunction during operationcritical
73Module Error, See ManualModule malfunction during operationcritical
74Module Error, See ManualModule malfunction during operationcritical
76Module Error, See ManualModule malfunction during operationcritical
77Module Error, See ManualModule malfunction during operationcritical
78Module Error, See ManualModule malfunction during operationcritical
79Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
8Analysis Interrupted, Use Other CartridgeModule pulled from rack during measurement and replacederror
80Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
800-899Configuration problemSystem misconfigurationwarning
81Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
82Module Error, See ManualModule malfunction during operationcritical
85Module Error, See ManualModule malfunction during operationcritical
86Module Error, See ManualModule malfunction during operationcritical
87Cartridge Error, Use Other CartridgeCartridge or sample problem detected during analysiswarning
89Module Error, See ManualModule malfunction during operationcritical
90Module Error, See ManualModule malfunction during operationcritical
90 (005AH)Internal Software problemSoftware error conditioninfo
900-914Unexpected memory change (usually RAM problem)RAM content corruptioncritical
91Module Error, See ManualModule malfunction during operationcritical
915CPU failed to send test message to next CPUInter-CPU test communication failurecritical
916-919Unexpected memory change (RAM problem)RAM content corruptioncritical
92Module Error, See ManualModule malfunction during operationcritical
920Missing 32 ms interrupt on CPUPoor connection or Util CPU failurecritical
921-999Unexpected memory change (RAM problem)RAM content corruptioncritical
93Module Error, See ManualModule malfunction during operationcritical
94Module Error, See ManualModule malfunction during operationcritical
BLOODANL CONFIGA configuration problem has been detectedConfiguration mismatch or errorerror
BLOODANL EQU. MALFPermanent malfunction in the moduleModule hardware failure detectedcritical
BLOODANL ROOM TEMP?Module environment is too warm or too cold - operating range 16 to 30°CAmbient temperature outside safe operating rangewarning
BLOODANL UNPLUGGEDBlood Analysis module has been unplugged from the rackModule removed from rack interfacewarning
C.O. EQUIP MALFMalfunction in the C.O. hardwareInternal C.O. module or interface hardware failure detected during self-test or operationerror
C.O. UNPLUGGEDC.O. module is unplugged from the rackC.O. module disconnected from module sloterror
CUF NOT DEFLATEDCuff remains inflated; deflation valve stuck or blockedCuff pressure not released after measurement cycle completionerror
NBP CUFF OVERPRESSCuff pressure exceeded maximum during inflationExcessive pressure generated during cuff inflation cyclewarning
NBP EQUIP MALFNBP module hardware malfunction or tubing faultModule self-test failure or transducer pressure mismatch detectederror
NBP INCORRECT CUFFCuff size setting does not match applied cuff typeNeonatal or pediatric cuff used with adult setting or vice versawarning
NBP INTERRUPTEDNBP measurement cycle interrupted before completionPatient movement during inflation/deflation or pump inflation/deflation timeoutwarning
NBP UNPLUGGEDNBP module not detected by monitorNBP module disconnected, unplugged, or not properly seated in rackwarning
no Tinj transducer connectedInjectate Temperature Probe cable is not connected, broken, or module is faultyInjectate Temperature Probe cable missing or disconnected when entering Measure C.O. Task Window or during measurementwarning
SVR MISSING CVPNo valid CVP (Central Venous Pressure) available; CVP automatically set to 0 mmHg for continuous SVR calculationCVP measurement not performed, invalid CVP value, or CVP pressure not properly labeled in monitorwarning
Tblood NO TRANSDUCNo C.O. Interface Cable attached to module; catheter not connected or cable brokenC.O. Interface Cable missing, disconnected, or catheter not connected during measurement setuperror
tc CAL FAILEDCalibration procedure failed to complete due to signal out of range or instabilityCalibration attempt with unstable transducer output or out-of-range signalerror
tc CAL REQUIRDCalibration required before clinical measurement; transducer not yet calibratedModule powered on or transducer changed without completing calibration cyclewarning
tc CAL RUNNINGCalibration procedure is actively runningCalibration cycle initiated and in progressinfo
tc CHANGE SITESite timer has expired; transducer location change neededSite timer countdown reached zeroinfo
tc CHECK TIMESite timer about to expire; site change needed within 15 minutesSite timer countdown approaching zerowarning
tc EQUIP MALF (equipment malfunction)Polarization voltage, supply voltage out of range, or transducer heating malfunction with transducer connectedTransducer plugged in but voltage or heating subsystem failure detectederror
tc EQUIP MALF (module malfunction)Module is defective or transducer malfunction with intermittent microswitch in calibration chamberModule hardware failure or excessive transducer insertion/removal cycleserror
tc NO TRANSDUCNo transducer connected to the moduleTransducer connector unplugged or cable disconnectedwarning
tc STABILIZINGTransducer has not yet reached selected temperature or skin site temperature is unstableTemperature stabilization delay after application or insufficient site warminginfo
tc UN-PLUGGEDParameter is enabled but module is not fully inserted in rackModule removed or partially seated in slotwarning
<Tx> EQUIP MALFMalfunction in TEMP module hardwareInternal hardware failure detectedcritical
<Tx> NO TRANSDUCTemperature probe disconnected from the TEMP moduleTemperature probe connector removed or unseatederror
<Tx> OVERRANGETemperature measurement out of range (below -1°C or above 45°C)Measured temperature exceeds sensor range limitswarning
<Tx> UNPLUGGEDTEMP module is unplugged from the rackTEMP module not fully seated in module rack sloterror
Unknown catheterCatheter type not recognized or invalid catheter connected; values may be questionableUnrecognized catheter inserted into C.O. Interface Cable or catheter barcode not read properlywarning

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.