Patient monitors · CARESCAPE family

GE Healthcare CARESCAPE ONE: troubleshooting and error codes

The ServiceForge knowledge base holds 35 documented symptoms for the GE Healthcare CARESCAPE ONE, with 73 ranked causes, 60 diagnostic checks with test points and expected values, and 151 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

No parameter data displayed

CARESCAPE parameters not shown on monitor screen

Ranked causes

1. Parameter not configured for display (common)
2. Parameter cable disconnected or loose (common)
3. Parameter device faulty (occasional)
4. Parameter cable damaged (occasional)
5. Parameter device physically damaged (occasional)
6. Patient block connector damaged (rare)

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

No temperature displayed

Temperature measurement not showing on monitor screen

Ranked causes

1. Temperature channel not configured for display (common)
2. Incompatible temperature probe (occasional)
3. Faulty temperature probe (occasional)
4. Faulty CARESCAPE Parameter cable (occasional)
5. Faulty CARESCAPE Temperature module (occasional)
6. Temperature out of measurement range (rare)

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

No invasive pressure displayed patient safety

Invasive pressure measurement not showing on screen

Ranked causes

1. Defective transducer (occasional)
2. Module not connected (common)
3. Transducer adapter cable not connected (common)
4. Invasive pressure channel not configured (common)
5. Invasive pressure channel not zeroed (common)

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

Troubleshooting CO2 calibration issues

Diagnostics for specific error messages and conditions encountered during Microstream CO2 calibration check or calibration procedure.

Ranked causes

1. Wrong gas message displayed (occasional)
2. Unstable gas flow message displayed (occasional)
3. Device is not ready message displayed (occasional)
4. Zero error message displayed during calibration (rare)
5. Calibration error message displayed (occasional)

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

Ground leakage current exceeds limit high voltage

Ground leakage current measured greater than 1000 µA with NEUTRAL switch CLOSED or OPEN

Ranked causes

1. Defective power cord (common)
2. Incorrectly wired power outlet (occasional)
3. Incorrect test setup configuration (occasional)
4. Internal device leakage fault (rare)

First check

Verify power cord integrity

Test point: Power cord surface and connectors
Expected: No wear or damage

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

Unable to turn on monitor when connected to CARESCAPE Dock F0

Monitor does not power on when connected to AC-powered CARESCAPE Dock F0

Ranked causes

1. Power cord is loose (common)
2. Power cord is faulty (occasional)
3. Power outlet does not meet specified requirements (occasional)
4. AC/DC power supply is faulty (rare)

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

Audible alarms do not work patient safety

Monitor does not produce audible alarm sounds

Ranked causes

1. Audible alarms turned off (common)
2. Alarm volume too low (common)
3. Defective speaker (occasional)

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

Chassis leakage current to ePort exceeds limit high voltage

Chassis leakage current measured at ePort connection greater than 100 µA (NEUTRAL CLOSED/GND CLOSED or OPEN) or 500 µA (NEUTRAL OPEN)

Ranked causes

1. Defective power cord (common)
2. Incorrectly wired power outlet (occasional)
3. Internal device leakage fault (rare)

First check

Perform chassis leakage test to ePort with NEUTRAL CLOSED and GND CLOSED

Test point: Chassis to ePort connection via safety test cable
Expected: Less than 100 µA, < 100 µA
Tools: Fluke 612/615/620 or equivalent; ePort safety test cable P/N per manual

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

Touchscreen inoperative

Touchscreen does not respond to touch input

Ranked causes

1. Touchscreen cable loose (common)
2. Faulty touchscreen sensor (occasional)
3. Touchscreen dirty (common)

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

Battery not charging caution

Battery does not charge when inserted in monitor

Ranked causes

1. Battery connector damaged (occasional)
2. Battery defective (common)

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

Calibration: Analog output caution

Analog output calibration adjusts ECG and invasive pressure analog outputs using a calibrated digital voltmeter after main board replacement or out-of-spec measurements.

Ranked causes

1. Main Board Assembly replaced (common)
2. Measured value not within specification limits (occasional)

First check

Turn on CARESCAPE ONE and wait for normal screen

Expected: Normal screen appears

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

Calibration: Microstream CO2 gas caution

CO2 calibration adjusts measured CO2 value to show exactly 5% using reference calibration gas. Required after 1200 hours or 1 year post-installation, then every 4000 hours or annually.

Ranked causes

1. Calibration required per operating hour schedule (common)
2. Calibration required message displayed on screen (common)

First check

Verify correct date and time on monitor

Test point: Monitor system clock
Expected: Current date and time displayed

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

Calibration: NIBP patient safety

NIBP calibration must be performed when calibration check fails or measured values are outside specification limits.

Ranked causes

1. NIBP calibration check failed (common)
2. Measured value not within specification limits (occasional)

First check

Turn on CARESCAPE ONE and wait for normal screen

Expected: Normal screen appears

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

Dock power supply or cord damaged high voltage

Power cord shows wear, damage, or continuity failure; external power supply not properly mounted or secured

Ranked causes

1. Power cord wear or physical damage (occasional)
2. Power supply not properly mounted or secured (occasional)

First check

Inspect power cord for wear or damage

Test point: Power cord surface and connectors
Expected: No visible wear or damage

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

Monitor starts but display remains white

Monitor powers on but LCD display backlight illuminates without showing any content, no error messages

Ranked causes

1. Display cable is damaged or loose (common)
2. LCD display is faulty (occasional)

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

NIBP not functioning patient safety

Non-invasive blood pressure measurement not working

Ranked causes

1. NIBP not calibrated (common)
2. Cuff pressure not maintained (common)

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

SpO2 reading not appearing on screen

SpO2 parameter value and plethysmographic waveform do not display after connecting sensor

Ranked causes

1. SpO2 sensor not detecting pulse (common)
2. SpO2 interconnect cable not connected (occasional)

First check

SpO2 reading appears in parameter window

Test point: CARESCAPE ONE display
Expected: SpO2 value displayed

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

Abnormally low invasive pressure reading patient safety

Pressure measurement lower than expected in invasive pressure monitoring

Ranked causes

1. Transducer wrongly positioned (common)

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

Cannot view feature despite enabled license

Feature not accessible on monitor even though license is enabled

Ranked causes

1. Software package does not include feature (common)

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

CARESCAPE SpO2-Masimo measurement values inaccurate patient safety

SpO2 measurement readings do not match expected values

Ranked causes

1. CARESCAPE SpO2-Masimo device faulty (occasional)

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

Dock fasteners loose or insecure caution

Mounting solution fasteners not properly tightened or correctly secured on CARESCAPE Dock F0

Ranked causes

1. Fasteners not properly tightened (occasional)

First check

Inspect mounting fasteners

Test point: All dock mounting fasteners
Expected: Intact, properly tightened, and correctly secured

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

LoFlo CO2 accuracy test failed

CO2 value displayed does not match expected calibration gas concentration during accuracy check

Ranked causes

1. LoFlo Sidestream Module calibration drift (occasional)

First check

Wait for LoFlo Sidestream Module warm-up

Test point: LoFlo Sidestream Module
Expected: Warm up time exceeded minutes

5 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

LoFlo CO2 sample flow rate out of specification

Measured sample flow rate does not meet 50 ml/min ± 10 ml specification during functional check

Ranked causes

1. LoFlo Sidestream Module malfunction (common)

First check

Wait for LoFlo Sidestream Module warm-up

Test point: LoFlo Sidestream Module
Expected: Warm up messages cleared minutes

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

Low audio volume or no audio

Speaker output is quiet or silent

Ranked causes

1. Speaker covers blocked by dust or debris (common)

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

Masimo rainbow measurements not displayed on CARESCAPE

Masimo rainbow measurement data not visible on CARESCAPE ONE screen

Ranked causes

1. Measurement only visible on host monitor when used as acquisition platform (common)

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

Masimo rainbow measurements not displayed on host monitor

Masimo rainbow measurement data not visible on host monitor

Ranked causes

1. Masimo rainbow measurement licenses not activated (common)

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

Monitor starts with FRU software display

Monitor displays Field Replacement Unit, SW version, and IP address at startup instead of CARESCAPE software

Ranked causes

1. CARESCAPE software not installed after main board FRU replacement (common)

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

Parameter cables or strain reliefs damaged caution

Abrasion or damage observed on CARESCAPE Parameter cables or cable strain reliefs

Ranked causes

1. Cable wear or environmental abrasion (occasional)

First check

Inspect all Parameter cables and strain reliefs

Test point: All cable lengths and connector areas
Expected: No abrasion or damage visible

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

Parameter mounting bracket or latch damaged caution

CARESCAPE rSO2—INVOS or CO2—LoFlo mounting bracket broken or CARESCAPE SpO2—Nellcor latch damaged or missing

Ranked causes

1. Bracket or latch damaged or broken (occasional)

First check

Inspect Parameter mounting brackets and latches

Test point: rSO2/CO2 mounting brackets and SpO2 Nellcor latch
Expected: Intact and undamaged

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

Parameter not properly connected or mounted caution

CARESCAPE Parameter disconnected from CARESCAPE ONE or not properly mounted to Parameter Docks or mounting solutions

Ranked causes

1. Parameter disconnected or loose (occasional)

First check

Verify Parameter connection to CARESCAPE ONE

Test point: Parameter connector and receptacle
Expected: Properly connected and latched

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

Unable to activate new monitor software

Cannot activate or upgrade monitor software; invalid activation code error

Ranked causes

1. Missing or invalid activation code (common)

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

Unable to complete NIBP calibration

Confirm button inactive during NIBP calibration procedure

Ranked causes

1. Gain correction exceeds ±10% limit (occasional)

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

Unit does not power on

Start-up sequence does not advance beyond GE HealthCare logo screen; error messages may appear; unable to read software from memory

Ranked causes

1. Software not properly installed after main board replacement (common)

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

Visual damage or contamination detected caution

Cracks, breaks, dirt, loose connectors, corroded pins, bent pins, or fluid contamination on enclosure, display misalignment, or battery not fully inserted

Ranked causes

1. Physical damage or environmental exposure (unknown)

First check

Inspect product labeling, markings and symbols

Test point: All visible labels
Expected: Intact and readable

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

Wrong software package activated

Incorrect software package enabled on monitor

Ranked causes

1. Wrong software package activated for device (common)

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

Error codes

Code	Meaning	Trigger	Severity
`0x11CF`	CARESCAPE CO2 device surface temperature too high (LoFlo devices)	CARESCAPE CO2 device surface temperature exceeds safe operating limit	warning
`0x11D5`	CARESCAPE CO2 device surface temperature too high (Microstream)	CARESCAPE CO2 Microstream device surface temperature exceeds safe operating limit	warning
`Acquiring signal / rSO2 Acquiring signal`	rSO2 signal acquisition in progress from patient	Measurement startup sequence	info
`Amber LED flashing on, green LED off on CARESCAPE SpO2-Masim`	Software failure or startup failure	Device powered but not starting or running properly	error
`Amber LED off, Green LED on on CARESCAPE SpO2-Masimo`	Device running and operational	Device successfully started and communicating	info
`Amber LED on, Green LED off on CARESCAPE SpO2-Masimo`	Device starting up	Power applied during initial startup sequence	info
`Analog output malfunction`	CARESCAPE ONE analog output voltage failure	Hardware or software fault in analog output circuitry	error
`Apnea deactivated`	Apnea alarm start-up conditions not reached	Apnea alarm conditions not met	info
`Auto detecting source`	Automatic gas measurement source detection is ongoing	CO2 source detection in progress	info
`Battery empty!`	Battery charge critically low, less than 5 minutes remaining	Battery state of charge drops below critical threshold	critical
`Battery failure`	Battery is faulty and cannot hold charge	Battery self-test or charging circuit detects battery fault	error
`Battery low`	Battery charge low, less than 20 minutes remaining	Battery state of charge drops below warning threshold	warning
`Battery temp high`	Battery temperature error	Battery internal temperature exceeds safe operating limit	error
`Both amber and green LEDs off on CARESCAPE SpO2-Masimo`	No power or software failure	Power not applied or critical software failure	critical
`Calibrated`	Channel calibrated successfully	Completion of channel calibration	info
`Calibrating`	Calibration of a channel is in progress	User initiates channel calibration	info
`Calibration error`	Unsuccessful CO2 calibration	Failed calibration attempt	warning
`Calibration error`	Calibration has failed	Unsuccessful calibration attempt	warning
`Calibration fail`	Calibration of temperature channel has failed	Failed temperature calibration	error
`Calibration required`	CARESCAPE CO2 — Microstream needs calibration	Calibration not performed or expired	warning
`Call Service: Text(s) missing`	Software text file missing for current language	Text resource file not found or corrupted during language initialization	error
`Check CO2 adapter`	Obstruction in LoFlo receptacle sample cell or cell not in optimal operating range	Sample cell obstruction or misalignment	warning
`Check device`	CARESCAPE Pressure has malfunctioned	Hardware or communication fault detected	error
`Check device`	Hardware or software fault in CARESCAPE Temperature	Cable fault, no updated data, data sample drift, or data out of range	error
`Check device / ECG malfunction`	Hardware or software fault in CARESCAPE ECG	Cable fault, no updated data, data sample drift, or configuration failure	error
`Check device / Imped. malfunction`	Hardware or software fault in CARESCAPE ECG impedance measurement	Cable fault, configuration failure, no updated data, or data sample drift	error
`Check device / rSO2 malfunction`	Hardware or software fault in CARESCAPE rSO2 — INVOS; no rSO2 detected	Device fault; signal loss	error
`Check device / SpO2 malfunction`	CARESCAPE SpO2 device malfunction; no SpO2 data detected	Device hardware or software fault; no signal detected	error
`Check gas flow`	Sample flow rate is lower or higher than nominal due to obstruction or leak	Abnormal flow rate detected	warning
`Check NIBP`	Systolic and/or diastolic results missing	Incomplete NIBP measurement	warning
`Check probe / Check SpO2 probe`	No detectable SpO2 signal; sensor faulty or detached from patient	Signal loss; sensor disconnection; sensor malfunction; pulse rate lost (Nellcor); saturation update exceeds 30 seconds	error
`Check rSO2 labels`	rSO2 measurement labels need verification after patient transport	Patient transport completed; label verification required	info
`Check sample line`	Sample flow abnormal due to obstruction, cut, split, or saturated filter	Abnormal flow rate detected	warning
`Check SpHb`	No adequate signal for SpHb measurement with CARESCAPE SpO2 — Masimo	Poor sensor connection or defective sensor	warning
`CO2 device failure: Call service`	Front end processor startup failure, incorrect initialization, or no keep alive response	Device startup, initialization, or communication failure	error
`CO2 device malfunction`	CARESCAPE CO2 device startup, runtime failure, or in software download mode	Device startup or runtime failure	error
`CO2 device overheated. Shutting down`	CARESCAPE CO2 device surface temperature too high, measurement turned off. Error codes: 0x120F, 0x1215	Temperature threshold exceeded	error
`CO2 inaccurate`	Measured values outside range or inaccurate due to high respiration rate	High respiration rate or out-of-range measurements	warning
`CO2 measurement purging`	CARESCAPE CO2 — Microstream self-cleaning blockage in sample line	Blockage detected in sample line	info
`CO2 measurement removed`	CARESCAPE CO2 device has been disconnected from CARESCAPE ONE	Device disconnection	warning
`CO2 sensor overheated. Shutting down`	CARESCAPE CO2 — Microstream sensor temperature too high, measurement off	Sensor temperature threshold exceeded	error
`CO2 sensor removed`	LoFlo Sidestream Module disconnected from CARESCAPE CO2 — LoFlo	Module disconnection detected	warning
`CO2 zero required`	CARESCAPE CO2 — LoFlo needs zeroing	Zeroing not performed or expired	warning
`Condition battery`	Battery needs conditioning before use	Battery detected that requires initial conditioning cycle	warning
`Configuration error(s)`	One or more configuration errors detected	Configuration validation failure at startup or during operation	error
`Continuous blockage. Check sample line.`	CARESCAPE CO2 — Microstream sampling line is blocked	Sustained blockage detected	warning
`CS ONE Faulty Device Connected`	Connected CARESCAPE Parameter has communication failure	Communication error detected between monitor and parameter	error
`CS ONE Faulty Device in Port #x`	CARESCAPE Parameter in port x has detected failure	Over current condition, repeated over temperature faults, or repeated communication failures	error
`CS ONE Speaker Failure`	Alarm speaker is inoperative	Speaker hardware failure or audio output circuit fault	error
`CS ONE Unknown Device in Port #x`	Unauthorized device connected to CARESCAPE ONE USB port	Unrecognized USB device detected on one of eight ports	warning
`Cuff loose`	Loose cuff or cuff hose	Loose connection detected	warning
`Cuff occlusion`	Occlusion during measurement or overpressured cuff	Obstruction detected during NIBP measurement	warning
`Cuff overpressure`	NIBP cuff exceeded pressure safety limits	Cuff squeezed during measurement exceeding limits	warning
`Demo mode / SpO2 Demo mode`	CARESCAPE SpO2 — Masimo is operating in demonstration mode	Demo mode enabled	info
`Device not ready`	Device is still warming up or there is a technical condition	Device startup or initialization in progress	info
`Device overheating`	CARESCAPE ECG surface temperature is too high	Inadequate ventilation or obstruction of ECG device	warning
`ECG analog output malfunction`	Hardware or software fault in CARESCAPE ECG analog output	ECG analog output circuit failure or data communication error	error
`ECG device failure: Call service`	CARESCAPE ECG startup or initialization failure	Device unable to initialize or start up	critical
`ECG device overheated. Shutting down`	CARESCAPE ECG surface temperature exceeded safe operating limits; device is being disabled	Surface temperature too high; monitor automatically shuts down ECG to prevent damage	error
`ECG measurements removed`	CARESCAPE ECG has been disconnected or removed from system	ECG device physically removed or connection lost	warning
`Expiring cable`	CARESCAPE SpO2 — Masimo interconnect cable approaching expiration date	Cable near end of service life	warning
`Expiring probe`	CARESCAPE SpO2 — Masimo sensor or adhesive sensor approaching expiration date	Sensor near end of service life	warning
`Faulty cable / SpO2 faulty cable`	CARESCAPE SpO2 — Masimo interconnect cable is defective	Cable malfunction detected by device	error
`Faulty probe / SpO2 faulty probe / Faulty adhesive SpO2 prob`	SpO2 sensor or adhesive sensor has failed	Sensor malfunction detected	error
`Identical CO2 device`	More than one CARESCAPE CO2 device in the system. Error codes: 0x110F, 0x1115	Multiple CO2 devices detected	warning
`Identical ECG device`	Two CARESCAPE ECG devices are connected to the system	Multiple ECG modules detected	warning
`Identical pressure devices`	Three or more CARESCAPE Pressures connected	Multiple pressure devices detected	warning
`Identical rSO2 devices`	Two or more CARESCAPE rSO2 — INVOS devices are connected	Multiple rSO2 devices detected	warning
`Identical SpO2 device`	Multiple CARESCAPE SpO2 devices are connected	More than one SpO2 device detected	warning
`Identical Temp device`	Two CARESCAPE Temperatures connected. Error code: 0x110D	Multiple temperature devices detected	warning
`Incompatible cable / Incompatible SpO2 cable`	Incompatible or unrecognized interconnect cable connected to CARESCAPE SpO2 — Masimo	Unrecognized cable detected	error
`Incompatible probe / Incompatible SpO2 probe / Incompatible`	Sensor is not compatible or not recognized by CARESCAPE SpO2 — Masimo	Incompatible or unrecognized sensor detected	error
`Incompatible rSO2 device`	CARESCAPE rSO2 — INVOS is not compatible with system	Device compatibility check failed	error
`Incompatible SpO2 device`	CARESCAPE SpO2 device startup, initialization failure, or hardware fault	Device incompatibility or initialization failure detected	error
`Insufficient power for ECG device`	Not enough power available to operate CARESCAPE ECG	Power supply insufficient for ECG operation	error
`Insufficient power for rSO2 device`	Not enough power available for CARESCAPE rSO2 — INVOS operation	Insufficient power supply	error
`Insufficient power for SpO2 device`	Not enough power available for CARESCAPE SpO2 device operation	Insufficient power supply	error
`IP analog output malfunction`	Hardware or software fault in CARESCAPE Pressure analog output	Pressure analog output circuit failure or data communication error	error
`Long meas. time`	The measurement time is long	Measurement duration exceeds threshold	warning
`Measurement error`	Technical fault in monitor measurement circuitry	Hardware fault detected in measurement subsystem	error
`Measurement off / OFF`	Impedance respiration measurement is disabled or not active	ECG leads not connected to patient or measurement turned off from setup menu	info
`Move SpO2 device to a cooler location`	CARESCAPE SpO2 device surface temperature is too high	Excessive device temperature detected	warning
`NIBP auto stopped`	NIBP Auto mode stopped due to loose cuff, hose, communication failure, or cuff size change	Detection of loose cuff, hose, module communication failure, or cuff size change	warning
`NIBP cuff loose`	Loose cuff or cuff hose	Loose connection detected	warning
`NIBP cuff occlusion`	Occlusion during measurement or overpressured cuff	Obstruction detected during NIBP measurement	warning
`NIBP hardware fault in CARESCAPE ONE`	NIBP hardware fault detected	Hardware malfunction in NIBP module	error
`NIBP malfunction`	NIBP hardware fault in CARESCAPE ONE	Hardware malfunction detected	error
`NIBP STAT stopped`	STAT mode stopped due to loose cuff, hose, communication failure, or cuff size change	Detection of loose cuff, hose, module communication failure, or cuff size change	warning
`No battery backup`	No battery installed in CARESCAPE ONE	Battery compartment empty or battery not detected on startup	warning
`No cable / No SpO2 cable`	Interconnect cable not connected to CARESCAPE SpO2 — Masimo	Missing or disconnected cable	error
`No probe / No SpO2 probe / No adhesive SpO2 probe`	Sensor not connected to CARESCAPE SpO2 device	Sensor disconnection	error
`Over range`	CO2 value outside measurable range	CO2 concentration exceeds measurement capability	error
`Over scale`	Gas signal exceeds maximum waveform area	Gas concentration signal exceeds upper limit of current waveform scale	warning
`P1 standby to P4 standby`	Invasive pressure channel set to standby	IP channel standby mode activated	info
`P1 zeroing failed to P4 zeroing failed`	Channel zeroing not successful	Failed zeroing attempt	warning
`Powering down!`	Battery charge critically low, less than 1 minute remaining	Battery state of charge at critically low level	critical
`Pressure device failure: Call service`	Faulty CARESCAPE Pressure detected	Hardware failure detected	error
`Pressure device initializing`	New software being downloaded to CARESCAPE Pressure	Software download in progress	info
`Pressure device overheated. Shutting it down`	CARESCAPE Pressure turned off due to excessive temperature	Surface temperature threshold exceeded	error
`Pressure measurement removed`	CARESCAPE Pressure removed or active pressure channel became inactive	Pressure device disconnected or channel deactivated	warning
`Pressure Sensed`	Pressure has been sensed during zeroing	Pressure detected during zeroing procedure	warning
`Probe initializing`	CARESCAPE SpO2 — Masimo sensor is initializing	Sensor initialization in progress	info
`PX not zeroed`	Invasive pressure channel not zeroed	Invasive pressure channel not zeroed before measurement	warning
`Replace battery`	Battery capacity degraded below acceptable threshold	Battery full capacity less than 60% of new battery capacity	warning
`Replace cable / Replace SpO2 cable`	CARESCAPE SpO2 — Masimo interconnect cable has expired	Cable expiration date reached	error
`Replace probe / Replace SpO2 probe / Replace adhesive SpO2 p`	CARESCAPE SpO2 — Masimo sensor or adhesive sensor has expired	Sensor expiration date reached	error
`Replace X / rSO2 X replace sensor`	rSO2 sensor is defective or not compatible	Sensor malfunction or incompatibility detected	error
`rSO2 device failure: Call service`	CARESCAPE rSO2 — INVOS startup or initialization failure	Device initialization failure; startup error	critical
`rSO2 measurement disconnected`	CARESCAPE ONE disconnected from host monitor while rSO2 — INVOS connected to acquisition platform	Host monitor connection lost	warning
`rSO2 measurement removed`	CARESCAPE rSO2 — INVOS has been disconnected from acquisition platform	rSO2 device disconnection	warning
`Sample line blocked`	CARESCAPE CO2 Microstream sampling line is blocked	Obstruction detected in sampling line preventing gas flow	error
`Sample line disconnected`	Sample line is disconnected from device	Disconnection of sampling line from sensor or monitor port	error
`Select age`	Patient age must be selected before CO2 measurement	Attempt to start CARESCAPE CO2 Microstream measurement without age selection	info
`Service CO2 sensor`	Problem detected with CARESCAPE CO2 device	Internal fault detected in CO2 measurement device	error
`Service CS ONE 0xHOST 3001`	Internal temperature of CARESCAPE ONE out of specification	One of internal temperature sensors indicates out-of-range temperature	error
`Service CS ONE 0xHOST 3002`	Internal supply voltage out of specification	One or more internal power supply voltages exceed specification limits	error
`Service CS ONE 0xHOST 3004`	Disk utilization exceeded 90%	Storage partition usage exceeds 90% capacity	warning
`Service CS ONE 0xHOST 3100`	Main board battery voltage out of specification	Battery backup voltage on main board below or above acceptable range	error
`Service CS ONE 0xPDM1000`	Data in secure storage corrupt	Checksum or validation failure of stored configuration data	error
`Service CS ONE 0xPDM1002`	Error occurred writing data to secured storage	Write operation to secure storage failed	error
`Service CS ONE 0xPDM1200`	Initialization of platform security library returned invalid directory error	Security library initialization failure during startup	error
`Service CS ONE activation failed`	Settings activation failed	Configuration or settings activation process encountered error	error
`Service CS ONE Calibrate NIBP`	NIBP calibration values could not be read from secure storage	NIBP calibration data missing or unreadable from storage	error
`Service CS ONE ECG Analog Out`	ECG calibration values could not be read from secure storage	ECG analog output calibration data missing or unreadable	error
`Service CS ONE Faulty Port #x`	Fault detected on CARESCAPE Parameter port	Hardware failure detected on monitor port	error
`Service CS ONE IP Analog Out`	Invasive pressure calibration values could not be read from storage	IP calibration data missing or unreadable from storage	error
`Service CS ONE Power Failure`	Lost communication with power management controller	Communication failure between main CPU and power management module	error
`SpO2 device failure: Call service`	CARESCAPE SpO2 device startup or initialization failure	Device unable to start or initialize; possible hardware failure	critical
`SpO2 device overheated Shutting down`	CARESCAPE SpO2 surface temperature too high; CARESCAPE ONE is disabling the device	Excessive surface temperature detected; monitor auto-shutoff activated	error
`SpO2 measurement removed`	CARESCAPE SpO2 device has been disconnected from system	SpO2 device disconnection	warning
`SW download failed on CS ONE port x`	Software update to CARESCAPE Parameter failed	Software transfer to connected parameter failed or was interrupted	error
`SW update in progress on CS ONE port x`	Software update in progress to connected CARESCAPE Parameter	Firmware update transfer from CARESCAPE ONE to parameter active	info
`Temp device failure: Call service`	CARESCAPE Temperature startup or initialization failure. Error codes: 0x108D, 0x124D	Device startup or initialization failure	error
`Temp device overheated. Shutting down`	CARESCAPE Temperature turned off due to excessive temperature. Error code: 0x120D	Surface temperature threshold exceeded	error
`Temp measurement removed`	CARESCAPE Temperature removed or active temperature channel became inactive	Temperature device disconnected or channel deactivated	warning
`Unable to read licenses`	License file could not be read	License file not found, corrupted, or unreadable	error
`Unstable gas flow`	Gas flow is unstable during calibration	Variation or instability detected in calibration gas flow	warning
`Unsupported X / rSO2 X unsupported sensor`	rSO2 sensor type is not supported by system	Unsupported sensor detected	error
`Warming up`	CARESCAPE CO2 device is in warm-up phase	Device startup or power-on initialization sequence	info
`Wrong gas`	Incorrect calibration gas in use	Detected gas composition does not match expected calibration gas	error
`X excess light / rSO2 excess light`	Excessive light detected on rSO2 sensor	High ambient light conditions detected at sensor	warning
`X interference / rSO2 interference`	rSO2 measurement is disturbed by electromagnetic interference	Electromagnetic noise or interference detected	warning
`X no sensor / rSO2 X sensor disconnected`	rSO2 sensor has been disconnected from system	Sensor disconnection detected	error
`X poor signal / rSO2 poor signal`	rSO2 measurement cannot be performed due to poor signal quality	Insufficient signal quality detected	warning
`X sensor off / rSO2 X sensor off`	rSO2 sensor is not connected to patient	Sensor not in contact with patient	warning
`Zeroed`	Zeroing was successful	Completion of zeroing procedure	info
`Zero ICP separately`	ICP channel must be zeroed separately from other invasive pressures	Attempt to zero ICP with other invasive pressures	warning
`Zeroing`	Invasive pressure channel currently being zeroed	Zeroing procedure in progress	info
`Zeroing`	Zeroing procedure in progress	Zeroing calibration sequence active	info
`Zeroing error`	Zeroing failed during calibration check process	Zeroing procedure unable to complete successfully	error
`Zero OK`	Zeroing was successful	Completion of zeroing procedure	info

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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.