Patient monitors · Carescape Canvas family

GE Healthcare Carescape Canvas 1000: troubleshooting and error codes

The ServiceForge knowledge base holds 319 documented symptoms for the GE Healthcare Carescape Canvas 1000, with 527 ranked causes, 414 diagnostic checks with test points and expected values, and 63 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Acquisition module data not displayed on monitor patient safety

Module data not shown on monitor display; parameter or waveform missing from screen

Ranked causes

1. Acquisition module incompatible with system (occasional)
2. Module not inserted properly into rails (common)
3. Monitor not configured to display parameter (common)
4. Faulty or improperly connected frame-to-host cable (occasional)
5. Internal frame or EMBC connector defective or loose (occasional)
6. Module connector or EMBC board defective (occasional)
7. DC/DC board defective (rare)
8. Module defective (see module troubleshooting) (occasional)

First check

Verify module compatibility

Test point: Module and system documentation
Expected: Module listed as compatible with Carescape Canvas 1000

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

Acquisition module data not shown on monitor display

Parameter data from acquisition module (CARESCAPE ONE or E-module) does not appear on host monitor screen

Ranked causes

1. Acquisition module incompatible (occasional)
2. Module not connected properly (common)
3. Monitor not configured to display parameter (occasional)
4. Cable connecting F2 Frame to host defective or loose (occasional)
5. F2 Frame internal connectors defective or loose (rare)
6. F2 Frame main board defective (rare)
7. AC/DC module defective (rare)

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

Unit does not power on high voltage

Monitor fails to turn on; no display or indicators active

Ranked causes

1. Power cord is loose (common)
2. Power cord is faulty (occasional)
3. Power outlet does not meet specifications (occasional)
4. Button board is defective or cable is loose (rare)
5. Power supply cable loose or faulty (rare)
6. Power supply is faulty (rare)
7. CPU assembly is faulty (rare)

First check

Verify power cord connection

Test point: Wall outlet and monitor connector
Expected: Cord fully inserted and seated

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

E-module or PDM does not work correctly when connected

Module fails to function or communicate properly after connection to monitor frame

Ranked causes

1. Identical modules connected simultaneously (common)
2. PDM and CS ONE connected simultaneously (common)
3. Configuration issue (occasional)
4. Compatibility issue with module or accessories (occasional)
5. Frame-CPU cable loose or defective (occasional)
6. Defective acquisition module (occasional)

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

Measurement removed from display (XXXX measurement(s) removed) patient safety

One or more measurements removed from display; module or measurement parameters no longer displayed

Ranked causes

1. Module not connected properly (common)
2. Module connector defective (occasional)
3. Frame not properly connected to host (occasional)
4. EMBC board connectors loose or defective (occasional)
5. EMBC board defective (occasional)
6. DC/DC board defective (occasional)

First check

Verify module seating in frame rails

Test point: Module and frame rails
Expected: Module fully inserted; connectors aligned; latches engaged

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

Measurements removed from display

System message shows XXXX measurement(s) removed, where XXXX is module name. Module data not displaying on monitor screen.

Ranked causes

1. Acquisition module not connected properly (common)
2. Module connector defective (occasional)
3. Frame to host cable defective or loose (occasional)
4. EMBC board connectors loose or defective (occasional)
5. EMBC board defective (rare)
6. DC/DC board defective (rare)

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

Nonphysiological VO2 readings patient safety

Oxygen consumption (VO2) measurements display clinically implausible values

Ranked causes

1. Unstable O2 delivery or gas mixer issue (common)
2. Respiratory rate over 35/min (occasional)
3. Reference gas inlet port blocked (occasional)
4. Gas sampling line longer than 2 m (occasional)
5. Dead space of Y-piece exceeds 8 ml (occasional)
6. Gas sampling line connected to HME or D-lite incorrectly placed (occasional)

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

Abnormally low invasive pressure reading patient safety

Pressure measurement is lower than expected or abnormally low

Ranked causes

1. Transducer wrongly positioned (common)
2. Defective transducer (occasional)
3. Module not connected (occasional)
4. Transducer adapter cable not connected to module (occasional)
5. Invasive pressure channel not configured to screen (occasional)

First check

Verify transducer position

Test point: Transducer location
Expected: Transducer at mid-heart level

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

Acquisition platform not recognized by host monitor

CARESCAPE ONE, CARESCAPE Dock F0, or parameters not displayed on host monitor; platform not communicating

Ranked causes

1. PDM and CARESCAPE ONE connected simultaneously (common)
2. CARESCAPE parameters not shown due to configuration issue (occasional)
3. Cable between dock/frame and host monitor is loose or defective (occasional)
4. CARESCAPE Dock F0 or F2 Frame is defective (rare)
5. CPU assembly in host monitor is defective (rare)

First check

Verify CARESCAPE ONE works standalone

Test point: CARESCAPE ONE disconnected from host or F2 Frame
Expected: CARESCAPE ONE operates normally as standalone monitor

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

Audible alarms do not work patient safety

Alarm sounds not activating or not heard during alarm conditions

Ranked causes

1. Audible alarms are turned off (common)
2. Alarm volume is too low (common)
3. Defective speaker (occasional)
4. Speaker cable is loose or faulty (occasional)
5. Tone generator or audio amplifier failure (rare)

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

Loose parts or cable connections inside module caution

Module may have internal loose parts, improperly tightened screws, disconnected cables, pinched or bent tubes, or loose objects rattling inside.

Ranked causes

1. Screws not tightened properly (common)
2. Cables disconnected or improperly seated (common)
3. Tubes pinched or sharply bent (common)
4. Tubes disconnected (common)
5. Loose objects inside module (occasional)

First check

Verify all screws are tightened

Test point: All screws in module
Expected: Tight, no rotation

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

Module functionality test fails patient safety

BIS module does not function correctly; error messages appear or test DSC fails.

Ranked causes

1. BISx unit defective (common)
2. Incompatible system component (occasional)
3. Identical modules connected (occasional)
4. Defective or incompatible accessories (occasional)
5. Loose keypad cable or module connector problem (rare)

First check

Verify system component compatibility

Test point: Monitor and all connected modules
Expected: All components listed in supplemental information

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

No IX network traffic

Monitor has no network communication on IX port; unable to transmit or receive data

Ranked causes

1. Incorrect configuration (common)
2. Cable connections do not match network type (common)
3. IX network traffic overload detected (rare)
4. IX port authentication enabled but monitor misconfigured (rare)
5. CA certificate has expired (rare)

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

No MC network traffic

Monitor has no network communication on MC port; unable to transmit or receive data

Ranked causes

1. Incorrect configuration (common)
2. Cable connections do not match network type (common)
3. MC network traffic overload detected (rare)
4. MC port authentication enabled but monitor misconfigured (rare)
5. CA certificate has expired (rare)

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

Sample gas outflow blocked caution

Gas exhaust line or sample output path is obstructed; measurements may be affected.

Ranked causes

1. Sample gas out connector or exhaust line blocked (common)
2. Patient circuit tubing occluded (occasional)
3. Scavenging system improperly configured (occasional)
4. Internal tubing blocked (occasional)
5. Pump failure (rare)

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

Calibration error

Gas sensor calibration failed; measurements are unavailable until recalibration succeeds.

Ranked causes

1. Calibration gas not fed within one minute (common)
2. CO2 trapped in sensor during transport (occasional)
3. Calibration gain adjustment too large (rare)
4. Wrong calibration gas used (occasional)

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

Continuous gas sampling line blockage caution

Gas sampling line or water trap is persistently blocked; continuous message shown.

Ranked causes

1. Gas sampling line blocked (common)
2. Water trap container full (common)
3. Water trap occluded (occasional)
4. Internal tubing blocked (occasional)

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

Electrical safety verification high voltage

Comprehensive electrical safety testing including power outlet, power cord, ground integrity, earth leakage, and touch current measurements under normal and single fault conditions.

Ranked causes

1. Power outlet improperly wired or damaged power cord (common)
2. Inadequate ground continuity or impedance (occasional)
3. Excessive earth leakage current (occasional)
4. Excessive touch current (occasional)

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

Gas sampling system leaks or blockages patient safety

Faults in gas sampling system including leaks, blockages, pump failure, valve failure, reduced flow rates, or sensor issues

Ranked causes

1. Leaks in tubing or blockages (occasional)
2. Sampling pump or magnetic valve failure (occasional)
3. Dirt or matter accumulation in tubing reducing flow (occasional)
4. Pressure sensor failure (occasional)

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

Inspiratory TV greater than expiratory TV patient safety

Spirometry measurement shows inspiratory tidal volume larger than expiratory, indicating system leak

Ranked causes

1. Leak in lungs or ET tube cuff (common)
2. Spirometry tube leak (common)
3. Water inside D-lite or tubings (occasional)
4. D-fend Pro leaks (occasional)

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

MiniOM oxygen measuring unit malfunction patient safety

No response to O2 signal or strong signal drift; incorrect oxygen readings or unstable measurements

Ranked causes

1. Loose tubing connections (common)
2. Tubing blockage or occlusion (common)
3. Reference gas filter assembly contaminated or clogged (occasional)
4. Internal measurement unit fault (rare)

First check

Inspect all tubing connections on oxygen measuring unit

Test point: Tubing connectors
Expected: All connections seated firmly with no visible gaps

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

Module physical damage or contamination

Front cover cracked, connectors dirty or loose, casing damaged, latch broken, patient cables worn or dirty

Ranked causes

1. Front cover not intact (unknown)
2. Connectors dirty, damaged or loose (unknown)
3. Module casing or latch damaged (unknown)
4. Patient cables compromised (unknown)

First check

Inspect front cover for cracks, breaks or damage

Test point: Front cover exterior
Expected: Intact, no cracks or breaks

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

Module physical inspection before troubleshooting

Visual inspection procedure to verify module structural integrity, connectors, latch mechanism, and D-fend connector condition before detailed diagnostics.

Ranked causes

1. Damaged front cover or housing (unknown)
2. Connector damage, contamination, or improper seating (unknown)
3. Latch mechanism damage or contamination (unknown)
4. Mini D-fend latch or connector problems (unknown)

First check

Remove module from system

Test point: Module mounting
Expected: Module removed without damage

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

Response too weak message

Parameter window shows 'Response too weak'; maximum gain insufficient to measure response signal amplitude

Ranked causes

1. Stimulus electrodes are loose (common)
2. Response electrodes attached to wrong place (common)
3. Electrodes are dry (occasional)
4. Skin at electrode site not properly prepared (occasional)

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

Sample line blocked message displayed

Alarm area, parameter window, and waveform area display 'Sample line blocked' message indicating continuous blockage in the CO2 sampling pathway.

Ranked causes

1. Gas sampling line is blocked (common)
2. Water trap container is full (common)
3. Water trap is occluded (occasional)
4. Internal tubing is blocked (occasional)

First check

Inspect external gas sampling line for blockages

Test point: External gas sampling line
Expected: Clear, unobstructed pathway

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

Sampling system leaks or blockages

Gas sampling system may have leaks in tubing, blockages, or flow rate diminishing due to dirt or contamination.

Ranked causes

1. Leaks in sampling system tubing (common)
2. Blockages in tubing or internal passages (common)
3. Sampling pump failure or wear (occasional)
4. Magnetic valve failure (occasional)

First check

Listen for sampling pump noise

Test point: Sampling pump
Expected: Quiet operation, no grinding or rattling

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

Unable to send or retrieve MUSE 12SL reports

Cannot send or retrieve ECG reports to/from MUSE Web Server

Ranked causes

1. Incorrect MUSE Web Server username or password (common)
2. Incorrect MUSE Web Server address (common)
3. AMSE certificate not installed (occasional)
4. MUSE certificate not installed or invalid (occasional)

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

Visual inspection for frame and module condition

Routine inspection of physical frame integrity, connectors, and attached modules before troubleshooting

Ranked causes

1. Damaged cover or module rails (occasional)
2. Loose or dirty connectors (occasional)
3. Loose or damaged cables (occasional)
4. Modules not properly locked to frame (occasional)

First check

Inspect frame cover and module rails

Test point: Frame exterior
Expected: Cover and rails intact, no visible damage

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

BIS sensor module degradation or malfunction

Cover stickers peeling, panel damaged, cables loose, internal components dirty or corroded

Ranked causes

1. Cover or panel stickers not intact (unknown)
2. Cables or connections not intact on BISx unit (unknown)
3. Module or applied parts not clean (unknown)

First check

Inspect BISx unit cover and panel stickers for damage or peeling

Test point: BISx unit cover and sticker areas
Expected: Intact, not peeling or damaged

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

BIS sensor not responding or failing electrode check patient safety

Sensor checking message appears but green checkmarks not shown for electrodes; sensor test fails

Ranked causes

1. BIS sensor simulator not connected or faulty (common)
2. PIC Plus cable not intact or poorly seated (occasional)
3. BISx unit internal test failing (occasional)

First check

Connect BIS sensor simulator to PIC Plus cable and wait for electrode checking to start

Test point: BIS sensor simulator and PIC Plus cable connection
Expected: Checking sensor message appears in BIS parameter window

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

Calibration error message displayed

Parameter window and calibration menu display 'Calibration error' message indicating calibration procedure failed due to timing, gain, or gas issues.

Ranked causes

1. Calibration gas not started within 1 minute of autozero completion (common)
2. Calibration failed due to too large gain adjustment (occasional)
3. Wrong calibration gas used (occasional)

First check

Verify calibration gas was started within 1 minute of autozero completion

Test point: Calibration gas inlet
Expected: Gas flow initiated within 1 minute of zero completion

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

Calibration error on invasive pressure channel patient safety

Message displayed as Calibration error in parameter window during channel calibration

Ranked causes

1. Pressure calibration failure due to time-out (common)
2. Pulsating waveform detected during calibration (occasional)
3. Gain beyond limits (±20% of default gain) (occasional)

First check

Start calibration within time window

Test point: pressure calibration timer
Expected: Inflation starts within 45 seconds of auto-zeroing completion

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

Calibration: Invasive pressure patient safety

Invasive pressure measurement requires calibration when transducer is replaced, calibration check fails, or measured values exceed specification limits

Ranked causes

1. Pressure transducer replaced (common)
2. Invasive pressure calibration check failed (occasional)
3. Measured value outside specification limits (occasional)

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

Check sample gas out message displayed

Alarm area and waveform area display 'Check sample gas out' message indicating blockage in the sample gas outflow path.

Ranked causes

1. The sample gas outflow is blocked (common)
2. Internal tubing is blocked (occasional)
3. Pump failure (occasional)

First check

Inspect sample gas out connector and exhaust line

Test point: Front panel sample gas out connector, exhaust/scavenging line
Expected: No blockages, clear pathway for gas return or scavenging

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

CO2 waveform and values not updating patient safety

CO2 waveform does not appear or EtCO2/FiCO2 values do not update when breathing into sampling line

Ranked causes

1. Gas sensor warm-up not complete (common)
2. Gas calibration required (common)
3. CO2 measurement source not configured (occasional)

First check

Gas sensor warm-up status

Test point: Parameter window message display
Expected: No 'Calibrating Gas Sensor' message; waveform field shows CO2 waveform

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

ePort pod to host cable connection issue

PDM module connected via ePort connector not communicating or recognized

Ranked causes

1. ePort cable loose or defective (common)
2. Defective PDM or accessories (occasional)
3. Defective CPU assembly (rare)

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

Expired volume much smaller than inspired volume

MVexp << MVinsp; Ppeak - PEEP < 2 cmH2O; TVinsp and TVexp are DATA_INVALID. Leak in spirometry system causing expired volume 70% or less of inspired volume.

Ranked causes

1. Leaking spirometry tube (common)
2. Water in tubing (common)
3. MiniPVX sensor failure (occasional)

First check

Perform spirometry leak test

Test point: Spirometry system
Expected: No leaks detected

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

Invalid or unreachable monitor address

Monitor cannot be contacted due to incorrect IP address, hostname, or network connectivity issues

Ranked causes

1. Incorrect IP address or hostname (common)
2. Monitor turned off or not connected to IX network (common)
3. Network configuration error or network failure (occasional)

First check

Verify IP address or hostname

Test point: Monitor Addresses field
Expected: Valid IP address or hostname matching target monitor

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

Invasive pressure measurement over range patient safety

Pressure reading displayed as >320 mmHg or >43 kPa in parameter window

Ranked causes

1. Measurement is over range or sensor/cable faulty (common)
2. Transducer not zeroed correctly (common)
3. Pre-zero with stopcock closed (occasional)

First check

Verify measurement value

Test point: parameter window
Expected: >320 mmHg or >43 kPa

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

Loop overscale in spirometry patient safety

Spirometry waveform display exceeds the selected vertical scale limits

Ranked causes

1. Wrong scale selected (common)
2. Wrong TV base selected (occasional)
3. Leak between ventilator and D-lite (occasional)

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

Low gas sample flow detected patient safety

Sample flow drops below 80% of module nominal specification

Ranked causes

1. Gas sampling line or tubing blocked (common)
2. Water trap blocked or full (common)
3. Pump failure (rare)

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

Measurement unit failure or malfunction caution

CPU board, MiniOM measuring unit, or MiniTPX measuring unit malfunction; these units are not field serviceable.

Ranked causes

1. CPU board failure (rare)
2. MiniOM measuring unit failure (rare)
3. MiniTPX measuring unit failure (rare)

First check

Identify failed component

Test point: Affected measurement unit or circuit board
Expected: Normal operation or no error codes

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

NMT measurement output incorrect or waveforms not displaying

TOF% value not within 95-105, Count not equal to 4, T1% not within 95-105, or stimulus pulses/responses not visible on waveform

Ranked causes

1. Incorrect monitor configuration settings (common)
2. Simulator not transmitting proper response signal (occasional)
3. Module hardware malfunction (rare)

First check

Verify monitor software version and apply correct configuration

Test point: Monitor software version display
Expected: Settings match software version (3.1 or earlier: Start with New patient, Current Supra, TOF, Volume 6, Cycle 20s; 3.2+: AUTO, Supramax Selected, TOF, Volume 6, Cycle 20s)

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

No response to breathing patient safety

Module does not detect or display respiratory activity when patient breathes

Ranked causes

1. Gas sample line disconnected (common)
2. Sampling line or water trap loose or blocked (common)
3. Sample gas out blocked (occasional)

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

PDM data not displayed on monitor

Cardiac output, invasive pressure, or other PDM measurements missing from monitor screen

Ranked causes

1. Missing cardiac output license (common)
2. Missing PDM license (common)
3. Configuration issue with parameter priority (occasional)

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

Recorder does not work

B1X5-REC recorder unit non-functional

Ranked causes

1. Recorder connect cable loose or faulty (common)
2. Recorder unit failure (occasional)
3. Host or frame issue (unknown)

First check

Verify recorder connect cable integrity and connection

Test point: Recorder connector
Expected: Cable intact and properly seated

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

Sensor check failed patient safety

BIS sensor impedance check fails; one or more electrode impedances exceed acceptable threshold.

Ranked causes

1. Sensor improperly attached to patient (common)
2. Faulty sensor (occasional)
3. PIC+ cable or BISx unit faulty (occasional)

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

Supramaximal current search fails or value exceeds limit

Detected supramaximal current is greater than 70 mA, or search does not complete

Ranked causes

1. Incorrect simulator response knob setting (common)
2. Simulator Fade setting not correct (common)
3. Sensor cable or ElectroSensor defective (occasional)

First check

Verify simulator response knob position

Test point: NMT Simulator response control
Expected: Response knob set to maximum

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

Too high EtCO2 value patient safety

End-tidal carbon dioxide concentration above expected for patient

Ranked causes

1. Water trap contamination or malfunction (common)
2. Calibration error (common)
3. Incorrect humidity compensation setting (occasional)

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

Unable to perform function or feature not available

Feature or function is unavailable or grayed out in menu

Ranked causes

1. License not purchased for feature (common)
2. Trial license expired (occasional)
3. License not installed properly (occasional)

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

Zero error message displayed

Message appears in parameter window indicating autozero failure during measurement or gas calibration startup

Ranked causes

1. Zero valve operation failure (common)
2. Defective zero absorber or dehumidification tube (common)
3. Module internal failure (rare)

First check

Verify zero valve operation

Test point: Zero valve
Expected: Valve opens and closes properly

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

Artifacts message on entropy measurement patient safety

Entropy parameter display shows Artifacts; signals contain noise or artifact

Ranked causes

1. Patient movement, eye blinks, shivering (common)
2. Deep breathing or arrhythmia (common)

First check

Wait for signal to stabilize

Test point: Entropy parameter display
Expected: Artifacts message clears and measurement proceeds

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

Barcode reader does not read multi-field barcode correctly

Multi-field barcode information not populated correctly to fields in Admit menu

Ranked causes

1. Parser configuration is incorrect (common)
2. Parser configuration is incompatible with barcode format (occasional)

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

BIS waveform not appearing on screen

BIS parameter and waveform missing from monitor display; No sensor message shown instead

Ranked causes

1. BISx unit not connected to BIS module (common)
2. BIS EEG waveform not configured on monitor screen (occasional)

First check

Verify BISx unit is connected to BIS module with patient interface cable

Test point: BIS module connection port and BISx cable
Expected: Cable firmly connected, connection secure

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

Calibration: Gas sampling system and CO2 functional check

Functional verification of gas sampling system and CO2 measurement after visual inspection, O-ring replacement, or module case opening

Ranked causes

1. Routine calibration and functional verification required (common)
2. Gas sampling system leakage or flow anomaly (occasional)

First check

Visually inspect front cover

Test point: Module front cover
Expected: Front cover is intact

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

CARESCAPE ONE works but E-modules data not displayed

CARESCAPE ONE acquisition module operates normally but connected E-modules do not send data to monitor

Ranked causes

1. E-module defective (occasional)
2. Module connector defective (rare)

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

Check electrodes message displayed

Parameter window shows 'Check electrodes' message; measuring electrodes are off or stimulus electrode connection is broken

Ranked causes

1. Measuring electrodes are off (common)
2. Broken connection of stimulating electrode or cable (common)

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

Check Water Trap message displayed

Alarm area and waveform area display 'Check Water Trap' message. Water trap connection or internal tubing issue.

Ranked causes

1. Water trap is not connected (common)
2. Air leak inside the internal tubing (occasional)

First check

Verify water trap is physically connected to the module

Test point: Water trap connector
Expected: Water trap firmly connected

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

Communication LED off (Ethernet Activity)

Communication (Ethernet Activity) LED is off, indicating loss of communication between frame and host or module malfunction.

Ranked causes

1. EMBC (Frame) faulty and not communicating (common)
2. PDM module faulty and not communicating (common)

First check

Verify EMBC and host communication from service interface

Test point: Service interface communication status
Expected: EMBC communicating with host

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

Communication LED off or not blinking

Ethernet Activity LED is off, indicating no communication between frame (EMBC) and host, or PDM module and host

Ranked causes

1. EMBC (Frame) faulty or not communicating (occasional)
2. PDM module faulty or not communicating (occasional)

First check

Verify Communication LED blinking when EMBC and host are connected

Test point: Communication LED (Ethernet Activity LED)
Expected: Blinking

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

More symptoms

Connected device software activation fails or shows update failed message
Contact Monitors button is inactive
CPU board malfunction
Erroneous gas readings after maintenance
EtCO2 over scale >15%
EtCO2 over scale above 20 percent
Expiratory TV greater than inspiratory TV
F2 Frame is not recognized by monitor
Fluctuating airway resistance (Raw)
Gas sampling system leakage suspected
Incompatible or duplicate modules connected
Invasive pressure channel zeroing failed
Invasive pressure measurement under range
Loose parts or internal cable connections
Low gas sample flow
Low volumes message displayed
MiniOM oxygen signal noisy or unstable
Modules cannot be placed properly in F2 Frame
NMT module not recognized or not communicating
No Entropy waveform or parameter on screen
No picture on screen despite monitor powered on
On/Standby LED off when monitor powered on
On/Standby LED off while monitor is on
PDM module works but E-module data not visible
Recorder works but nothing appears on paper
Reference not stable message
Replace Water Trap message displayed
Sensor impedance check not available in menus
Sensor INOP (inoperative)
Settings file password incorrect or file corrupted
Startup procedure does not advance beyond welcome screen
Strange or nonphysiological gas exchange values
Strongly vibrating spirometry loop
System time is incorrect without network connection
Testing DSC message displayed
Too high airway resistance (Raw)
UAC disconnect message appears
Unable to activate new monitor software
Unable to perform gas calibration
Unable to upload license file
Water trap connection issue
Water trap filter failure
Wrong character displayed when barcode is read
Abnormally high or low CO2 response
Absolute pressure sensor error
Accessory failure or degradation
Apnea alarm not activated
Apnea detection not working
Apply sensor
Arterial invasive pressure disconnected
Artifact
Artifact message
Automatic check off
BIS cable off
BIS DSC error
BIS measurement removed
BIS module error
BIS sensor check failed
BIS sensor expired
Bypass flow high
Cable off
Cable off message on entropy measurement
Calibrating gas sensor (warm-up in progress)
Calibrating message appears
Calibrating message displayed
Calibration: Agent identification
Calibration: Air leak detection
Calibration: Airway gases measurement
Calibration: Ambient pressure verification
Calibration: Apnea detection
Calibration: BIS module functional check
Calibration: CO2 waveform and FiO2 level setup
Calibration: D19 display maintenance check
Calibration: E-NSATX module maintenance check
Calibration: E-PiCCO module functional check
Calibration: Entropy module functional check
Calibration: Fan operation
Calibration: Flow waveform measurement
Calibration: Frame F5-01 and F7-01 maintenance check
Calibration: Gas calibration
Calibration: Gas exhaust blockage detection
Calibration: Gas sampling system leak test
Calibration: Module keys operation
Calibration: NMT module functional check
Calibration: Occlusion detection
Calibration: Pulse contour cardiac output
Calibration: Reference gas flow rate check
Calibration: Respiratory module functional check
Calibration: Sample flow rate check
Calibration: Spirometry system leak test
Calibration: Visual inspection before functional check
Calibration: Zero valve operation
CCO Calibration fail message
CCO meas. fail message
Checking sensor
Checking sensor message on entropy measurement
Checking sensor message stays longer than 2 minutes
CO measurement removed message
Complete functional check and reset monitor
Compliance value invalid
Confirm calibration message
Confirm electrode contact issue on entropy measurement
Demo data
Demo data message on entropy measurement
Device authentication failed
DSC error
Duplicate monitor addresses detected
E-module cannot be placed properly in frame
E-module showing erroneous readings
E-musb and CARESCAPE ONE simultaneously connected
Electrical safety test
Electromagnetic interference detected
EMG electrodes off message
Entropy cable off alarm on entropy measurement
Entropy measurement removed message
Entropy module not connected
Entropy sensor check failed
Entropy sensor off
Erroneous readings after maintenance
Erroneous readings after module cover reassembly
Error messages displayed in message field
EtCO2 exceeds PaCO2 arterial value
EtCO2 greater than PaCO2
Ethernet Link LED blinking
Ethernet Link LED on (solid green)
F2 Frame communication failure with host monitor
F5/F7 Frame is not recognized by monitor
F7 Frame used standalone causing ventilation blockage
Failure in Agent ID
Femoral invasive pressure disconnected
Flow or Paw waveform exceeds scale
Gas exhaust blockage not detected
Gas flow out of measurement range
Gas measurement failed
Gas measurement source detection ongoing
Gas measurements removed
Gas module disconnected
Gas module in standby mode
Gas sensor calibration in progress
High BIS impedance
Host software activation completes but monitor does not restart
Host software activation takes longer than expected
Host software upgrade activation code rejected or not accepted
Identical BIS modules
Identical C.O. modules message
Identical Entropy modules
Identical frame detected
Identical frame detected in monitoring system
Identical gas modules installed
Identical IP8 modules detected
Identical modules causing patient safety risk
Identical NMT modules message
Incompatible device: BIS module
Incompatible DSC
Incompatible gas module detected
Incompatible sensor
Invalid software image file
Invasive pressure calibration required
Invasive pressure channel in standby
Invasive pressure channels not zeroed
Invasive pressure sensor disconnected
Isoelectric EEG detected
Loop is being saved
Low EEG signal
Low perfusion at measurement site
Measurement off message
Measurement parameters not displaying correctly
MiniPVX measuring unit malfunction
MiniTPX measuring unit malfunction
Module box loose parts or cable connections
Module error
Module frame in wrong position causing malfunction
Module frame not properly grounded
Module not identified correctly
Module not responding
Monitor authentication failed
Monitor displays Field Replacement Unit startup message
Monitor not connected to mains power during activation
Multiple electrodes poor contact on entropy measurement
Multiple identical gas modules detected
Multiple identical SpO2 modules in system
Multiple identical SpO2 sources detected
N2O detected
NMT cable removed message
NMT measurement removed message
NMT sensor removed or Sensor off message
No BIS sensor
No BIS waveform displayed on screen
No CCO catheter message
No Entropy sensor detected
No invasive pressure displayed
No license for F5/F7 frame
No module message
No SpO2 signal or sensor problem
No uploaded software version available to activate
Noise interference detected
Not calibrated message
Occlusion detection not working
Over range FiO2 measurement
Over scale waveform
Over Scale waveform clipping
Parameter not displayed or not active
PDM not working when connected to ePort
Perform electrical safety tests
Perform SpO2 functional check
Perform visual inspection after service
Performing visual inspection
Poor signal
Pressure pulsation sensed during zeroing
Pulse rate high or low alarm
Re-calibrate CCO required
Recorder is printing but nothing appears on paper
Reference set message
Regional Block message
Replace sensor message displayed
Sample flow rate out of specification
Scale changed
Sensor impedance check fails during operation
Service CO module required
Setting reference message
Settings cannot be activated on older software versions
Software activation does not start after upload
Software activation requires base license
Software upload cannot be initiated
Software upload fails or does not complete
SpO2 acquisition module malfunction
SpO2 measurement module disconnected
SpO2 measurement searching for pulse
SpO2 sensor has failed
SpO2 sensor not compatible
SpO2 sensor not connected
SpO2 sensor off patient
SpO2 value high or low alarm
Start measurement message
Supramax not found message
Supramax search message
System time is incorrect with network connection
TETANIC message
Too high peak inspiratory pressure (Ppeak)
Too low EtCO2 value
Tubing contamination detected
Unable to view feature despite enabled license
Verify measuring equipment is calibrated
Verify network device connectivity
VO2 not measurable, high FiO2
VO2 value invalid or no VO2 with high FiO2
Wait to continue message
Water trap not detected
Wrong character displayed when keyboard key is pressed
Wrong software package is activated
Zero adj >100 mmHg message
Zero ICP separately message
Zero valve not functioning
Zeroed message appears
Zeroing error
Zeroing in progress
Zeroing in progress message displayed
Zeroing message appears
Zeroing message displayed

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

Error codes

Code	Meaning	Trigger	Severity
`0xGAS0001`	Service gas module. CO2, N2O, AA sensor failed	MiniTPX unit failure	error
`0xGAS0010`	Service gas module. O2 sensor failed	MiniOM oxygen sensor failure	error
`0xGAS0011`	Simultaneous MiniTPX and MiniOM oxygen sensor failure	Both CO2/N2O/AA and O2 sensor failures	error
`0xGAS0100`	Service gas module. Spirometry sensor failed	Spirometry sensor failure	error
`0xGAS0101`	Simultaneous MiniTPX and spirometry sensor failure	Both CO2/N2O/AA sensor and spirometry sensor failures	error
`0xGAS0110`	Simultaneous O2 sensor and spirometry sensor failure	Both MiniOM and spirometry sensor failures	error
`0xGAS0111`	Simultaneous MiniTPX, O2, and spirometry sensor failure	All three sensor types failed	error
`0xGAS1000`	Service gas module. Gas measurement failed	General gas measurement failure	error
`0xGAS1001`	Simultaneous MiniTPX unit and general gas measurement failure	MiniTPX and general measurement failure	error
`0xGAS1010`	Simultaneous O2 sensor and general gas measurement failure	MiniOM and general measurement failure	error
`0xGAS1011`	Simultaneous MiniTPX, O2, and general measurement failure	All three component failures with general measurement failure	error
`0xGAS1100`	Simultaneous spirometry sensor and general gas measurement failure	Spirometry sensor and general measurement failure	error
`0xGAS1101`	Simultaneous MiniTPX, spirometry, and general gas measurement failure	All measurement and sensor failures combined	error
`0xGAS1110`	Service gas module gas measurement failed	Simultaneous MiniOM oxygen sensor, spirometry sensor, and general gas measurement failure	error
`0xGAS1111`	Service gas module gas measurement failed	Simultaneous MiniTPX measuring unit, MiniOM oxygen sensor, spirometry sensor, and general gas measurement failure	error
`>320 mmHg or >43 kPa`	Invasive pressure measurement over range	Measurement exceeds maximum range or sensor/cable fault	warning
`<-40 mmHg or <-5 kPa`	Invasive pressure measurement under range	Measurement below minimum range or sensor/cable fault	warning
`Apnea deactivated`	Apnea alarm is not active or has not met activation criteria.	Apnea alarm start-up conditions not reached.	warning
`Art 1-8 disconnect`	Arterial invasive pressure disconnected	No arterial invasive pressure detected	warning
`Auto detecting source`	System is automatically detecting gas measurement source.	Module initialization or gas source change.	info
`Calibrated`	Channel calibrated successfully	Calibration procedure completed without errors	info
`Calibrating`	Gas sensor calibration is in progress.	Manual calibration started or scheduled warm-up calibration.	info
`Calibrating gas sensor`	Module is warming up and gas measurements are not yet available.	Gas module connected or powered on.	info
`Calibration error`	Gas sensor calibration failed and must be repeated.	Calibration gas not fed within one minute; wrong gas used; gain adjustment error; trapped CO2.	error
`CCO Calibration fail`	Unsuccessful calibration	Calibration procedure fails to complete or validate	error
`CCO meas. fail`	Calibration has failed	Previous calibration validation failed	error
`Check sample gas out`	Sample gas output path is blocked or water trap has an issue.	Blockage in sample line or water trap connection failure.	warning
`Check Water Trap`	Water trap is not connected or has internal leakage.	Water trap disconnection or internal tubing leak detected.	warning
`CO measurement removed`	The module is disconnected	C.O./CCO module becomes disconnected from monitor	warning
`Confirm calibration`	Measurement data has not been confirmed before trying to exit Cardiac Output/CCO Calibrate menu	User attempts to exit Calibrate menu without confirming measurement	warning
`Continuous blockage. Check sample line and water trap.`	Persistent blockage in gas sampling path despite previous checks.	Ongoing obstruction in sample line, water trap or internal tubing.	error
`F2 frame not authenticated: Call service`	F2 Frame authentication required	F2 Frame fails authentication check during initialization	error
`Failure in Agent ID`	Anesthetic agent identification system malfunction.	Agent ID sensor or circuit failure.	error
`Fem 1-8 disconnect`	Femoral invasive pressure disconnected	No femoral arterial invasive pressure detected	warning
`Gas measurements removed`	Gas acquisition module has been disconnected.	Module unplugged or removed from system.	info
`Gas module standby`	Gas module pump is shut down and module is in standby mode.	Module pump manually stopped or auto-shutdown triggered.	info
`Identical C.O. modules`	Two or more identical C.O./CCO modules detected in system	Multiple E-COP, E-COPSv, or E-PiCCO modules connected simultaneously	error
`Identical frame detected`	Two or more identical module frames detected in system	Multiple F2, F5, or F7 frames connected simultaneously to monitoring system	error
`Identical gas modules`	System detected two or more identical gas modules installed.	Multiple identical modules connected to system simultaneously.	warning
`Identical IP8 modules`	Duplicate IP modules on same channel	Two or more E-PiCCO or E-COPSv modules map to same channel	error
`IP's not zeroed`	One or more invasive pressure channels not zeroed	System detects unzeroed invasive pressure channels	warning
`Low gas sample flow`	Sample flow rate is below minimum specification (less than 80% of nominal).	Flow rate measurement below 80% of module nominal flow.	warning
`Low volumes`	Tidal volume detection failure or circuit leak	I:E detection failure for 20 seconds without apnea or low measured volumes	warning
`No CCO catheter`	The catheter is disconnected from the cable, or the cable is disconnected from the module	Catheter or cable disconnection detected	warning
`No license for F2 frame`	F2 Frame support license not enabled in configuration	F2 Frame license not purchased or activated in system configuration	warning
`No module`	No C.O. module connected	User accesses C.O. menu without module installed	warning
`Not calibrated`	The module and cable are connected, but the CCO measurement has not been calibrated	User attempts to measure without prior calibration	warning
`Over range`	Measured FiO2 exceeds maximum valid range (>103%).	FiO2 measurement reading above 103%.	error
`Over scale`	Waveform display clipped due to gas concentration exceeding current scale upper limit.	Gas concentration exceeds scale maximum for selected waveform scale.	warning
`P1-8 standby`	Invasive pressure channel in standby mode	User or system placed IP channel in standby	info
`P1-8 zeroing failed`	Invasive pressure channel zeroing failed	Zeroing procedure could not complete successfully	error
`Pressure measurement removed`	Invasive pressure acquisition device removed	IP measurement device physically removed from system	warning
`Pressure Sensed`	Pressure pulsation detected during zeroing	Dynamic pressure detected when static zeroing should occur	warning
`Replace Water Trap`	Water trap is defective, contaminated, or occluded	Water trap assembly failure or contamination detected	warning
`Sample line blocked`	Gas sampling line or water trap system is blocked or full	Blockage detected in sampling line or water trap container full condition	warning
`Sensor disconnected`	Invasive pressure sensor cable disconnected	Transducer detects disconnection or cable removed from module	warning
`UAC 1 disconnect to UAC 4 disconnect`	Invasive pressure line is disconnected	Invasive pressure line becomes disconnected	warning
`Zero adj >100 mmHg`	Offset during zeroing exceeded 100 mmHg	Zeroing process shows offset greater than 100 mmHg	error
`Zeroed`	Zeroing was successful	Zeroing process completed successfully	info
`Zero error`	Autozero calibration has failed	Autozero failure during measurement or at start of gas calibration	error
`Zero ICP separately`	ICP channel must be zeroed separately from other invasive pressures	User attempts to zero all channels together including ICP	warning
`Zeroing`	IP channel is currently being zeroed	Zeroing process in progress	info
`Zeroing`	Zeroing procedure is in progress	System is performing automatic zero calibration	info

Likely causes and actions for each code are in ServiceForge. Connect ServiceForge to your AI

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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.