Blood gas analyzers · Stat Profile family

Nova Biomedical Stat Profile Prime Plus: troubleshooting and error codes

The ServiceForge knowledge base holds 30 documented symptoms for the Nova Biomedical Stat Profile Prime Plus, with 36 ranked causes, 35 diagnostic checks with test points and expected values, and 177 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Dye calibration absorbance value outside valid range

CO-Ox calibration fails because measured absorbance of calibration dye (Standard B) at 563 nm does not fall within 0.5 to 1.5 mAbs

Ranked causes

1. Air bubbles in the cuvette (common)
2. Air leaks in the flowpath (common)
3. Contamination on inside surface of cuvette gradually dissolving (occasional)
4. Change in sensor card and/or calibration pack (occasional)

First check

Verify dye absorbance value is within acceptable range

Test point: Calibration dye absorbance at 563 nm
Expected: 0.5 to 1.5 mAbs, 0.5 to 1.5

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

Printer door open

Analyzer's thermal printer door sensor indicates printer door is open

Ranked causes

1. Printer door not closed (common)
2. Door sensor malfunction (occasional)

First check

Inspect printer door and close securely

Test point: Printer door
Expected: Door fully closed and latched

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

Printer out of paper

Analyzer's thermal printer paper sensor does not detect available roll of paper

Ranked causes

1. Printer paper depleted (common)
2. Paper sensor malfunction (occasional)

First check

Verify printer paper is installed and available

Test point: Printer paper slot
Expected: Paper roll loaded and sensor detects it

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

Probe failed to home

Sampler unable to move sample probe to required position

Ranked causes

1. Sampler obstruction or mechanical jam (occasional)
2. Sampler control electronics failure (occasional)

First check

Visually inspect sampler path for obstructions

Test point: Sampler probe and housing
Expected: No obstructions visible

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

Air detector voltage reading abnormal

Real-time air detector voltage readings do not fall within expected range or status indicates malfunction

Ranked causes

1. Air detector sensor malfunction or calibration drift (unknown)

First check

Monitor air detector voltage in real time

Test point: AD-50, AD-130, AD-145, AD-REF, AD-Hemo
Expected: Voltage within normal operating range and status indicates functional

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

Analyte A-to-A drift

During last analysis sequence, indicated analyte's performance changed significantly from previous analysis

Ranked causes

1. Sensor cartridge degradation (common)

First check

Compare current analysis result to previous analysis for same analyte

Test point: Analyte result from consecutive samples
Expected: Result variance within normal limits

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

Analyte slope drift

During last calibration, indicated analyte's performance changed significantly from previous calibration

Ranked causes

1. Sensor cartridge degradation (common)

First check

Monitor sensor slope response during calibration

Test point: Sensor slope during 2-point calibration
Expected: Slope within acceptable range, consistent with previous calibrations

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

Analyte zero drift after calibration

During last analysis sequence, indicated analyte's performance changed significantly from successful 2-point calibration

Ranked causes

1. Sensor cartridge degradation or contamination (common)

First check

Run calibration sequence and monitor analyte drift

Test point: Analyte response during 2-point calibration
Expected: Analyte performance within acceptable range after successful calibration

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

Calibration lamp not producing signal to spectrometer

Calibration lamp test shows no peaks or incorrect peak position on spectrometer graph

Ranked causes

1. Calibration lamp light source malfunction (unknown)

First check

Read calibration lamp pixel output to spectrometer

Test point: Spectrometer graph display
Expected: 2 tall peaks on right side of graph, rightmost peak within ±10 pixels of 800th pixel, ±10 pixels

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

Calibrator days expiration

Indicated cartridge has exceeded its use life expiration date

Ranked causes

1. Calibrator use life exceeded (common)

First check

Verify calibrator days-in-use expiration

Test point: Calibrator installation date and use days
Expected: Days in use has not exceeded maximum allowed

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

Calibrator invalid part number

Indicated cartridge programmed with part number not intended for use with analyzer

Ranked causes

1. Wrong calibrator installed (occasional)

First check

Verify calibrator cartridge part number

Test point: Calibrator cartridge part number
Expected: Part number matches analyzer specifications

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

Calibrator lot expiration

Indicated cartridge has exceeded its shelf life expiration date

Ranked causes

1. Expired calibrator (common)

First check

Check calibrator lot expiration date

Test point: Calibrator lot code and expiration date
Expected: Expiration date has not been reached

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

Calibrator sample use expiration

Indicated cartridge has exceeded maximum number of cycles (samples)

Ranked causes

1. Sample cycle limit reached (common)

First check

Check calibrator sample count versus maximum

Test point: Calibrator sample counter
Expected: Sample count below maximum allowable

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

Clamp positioning failure

Peristaltic pump clamp assembly failed to open or close correctly

Ranked causes

1. Clamp actuator control failure (occasional)

First check

Power cycle analyzer to reset clamp control

Test point: Analyzer power and clamp response
Expected: Clamp opens and closes properly after power on

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

Component temperature out of specification during diagnostics

Real-time temperature readings of ABG plate, nest, coil, preheater, spectrometer, BUN/Creat plate, or LED heater do not match expected 37°C

Ranked causes

1. Heater malfunction or thermal sensor drift (unknown)

First check

Measure real-time component temperature

Test point: ABG Plate, Nest, Coil, Preheater, Spectrometer, BUN/Creat Plate
Expected: 37°C for all components (Ambient temperature per specifications)

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

Conditional calibration flagged

Dye absorbance value is within 0.5-1.5 mAbs range but differs from 5-value average by more than tolerance, marked with C flag

Ranked causes

1. Absorbance variation exceeds ±1.5% from 5-value average (common)

First check

Review CO-Ox Sequence Execution menu for conditional calibrations

Test point: CO-Ox Sequence Execution menu
Expected: List showing valid (V) and conditional (C) calibrations

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

Contamination detected in sensor card cuvette caution

During last light scan, debris was detected in sensor card cuvette

Ranked causes

1. Cuvette contamination or debris (occasional)

First check

Perform Flush procedure

Test point: Flowpath during flush
Expected: Debris cleared from cuvette

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

COOX Calibration drift with existing card/pack

During last calibration, CO-Ox dye absorbance value fell outside expected range or did not agree within certain percentage of average from earlier calibrations

Ranked causes

1. Sensor card or calibrator pack degradation (occasional)

First check

Review dye calibration validity conditions per section 5.4.2

Test point: Dye absorbance value during calibration
Expected: Absorbance within expected range and consistent with previous calibrations

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

Failed to X-Calibrate Spectrometer

CO-Oximeter module unable to initiate or complete X-Axis Optical Calibration

Ranked causes

1. Spectrometer optical calibration failure (occasional)

First check

Run manual X Calibration from CO-Ox menu

Test point: X Calibration sequence in CO-Ox Sequence Execution Menu
Expected: X Calibration completes successfully

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

I2C communication failure caution

During last sequence, inter-integrated circuit (I2C) channel unable to communicate with module or component

Ranked causes

1. Fluid contamination on EEPROM or sensor card microchip pins (occasional)

First check

Visually inspect SC Nest, Preheater, and sensor card connectors for fluid

Test point: EEPROM pins and sensor card microchip contacts
Expected: No fluid or corrosion on pins

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

LED light not responding to brightness adjustment

LED in sensor module does not change brightness when DAC value is adjusted during diagnostics

Ranked causes

1. LED illumination optics malfunction (unknown)

First check

Observe LED brightness response to DAC adjustment

Test point: LED in Sensor Module Door
Expected: Light brightness changes proportionally to DAC value adjustment

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

pCO2 slope drop or time check failure

During last 2-point calibration, PCO2 sensor did not meet minimum specifications for properly performing sensor

Ranked causes

1. Sensor cartridge failure (common)

First check

Run 2-point calibration and monitor PCO2 slope and time response

Test point: pCO2 sensor during calibration
Expected: pCO2 slope and response time meet minimum specifications

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

Rotary valve positioning failure

Rotary valve unable to move to required position

Ranked causes

1. Rotary valve control failure (occasional)

First check

Power cycle analyzer to reset valve control

Test point: Analyzer power and rotary valve response
Expected: Valve moves to required position after power on

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

Sample contamination in cuvette

Blood debris detected in Sensor Card cuvette; CO-Ox parameters are unusable until cuvette is cleared

Ranked causes

1. Blood debris accumulated in Sensor Card cuvette (common)

First check

Perform Flush Flowpath procedure

Test point: Cuvette
Expected: Clear with no visible blood debris

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

Scanner communications failure

System bar code scanner did not respond or did not respond correctly when expected

Ranked causes

1. Scanner control electronics failure (occasional)

First check

Power cycle analyzer to reset scanner control

Test point: Analyzer power and scanner response
Expected: Scanner responds to bar codes after power on

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

Sensor card invalid part number

Consumable is programmed with part number not intended for use with analyzer

Ranked causes

1. Wrong sensor cartridge installed (occasional)

First check

Verify sensor card part number matches analyzer specifications

Test point: Sensor card part number
Expected: Part number matches analyzer documentation

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

Sensor cartridge days expiration

Consumable has exceeded its use life expiration date

Ranked causes

1. Sensor cartridge use life exceeded (common)

First check

Verify cartridge days-in-use expiration

Test point: Cartridge installation date and use days
Expected: Days in use has not exceeded maximum allowed

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

Sensor cartridge lot expiration

Consumable has exceeded its shelf life expiration date

Ranked causes

1. Expired sensor cartridge (common)

First check

Check sensor cartridge lot expiration date

Test point: Cartridge lot code and expiration date
Expected: Expiration date has not been reached

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

Sensor cartridge sample use expiration

Consumable has reached maximum number of allowable cycles (samples)

Ranked causes

1. Sample cycle limit reached (common)

First check

Check cartridge sample count versus maximum allowed

Test point: Cartridge sample counter
Expected: Sample count below maximum allowable

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

Sensor voltage reading abnormal

Real-time sensor voltage readings appear out of specification during diagnostics

Ranked causes

1. Sensor cartridge malfunction or connector issue (unknown)

First check

Monitor sensor voltage output in real time

Test point: Sensor module connectors
Expected: Voltage within normal operating range for installed sensor cards

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

Error codes

Code	Meaning	Trigger	Severity
`ABG Plate Heater Out Of Tolerance`	ABG plate temperature fell outside tolerances during last sequence	ABG plate heater temperature out of range during operation	warning
`ABG Sensor Card Void Warranty`	ABG sensor cartridge warranty has been voided; warranty error codes no longer generated	Card removed for over 2 hours, reference cartridge over 150 days old, warranty sample/day limits reached	warning
`Air Threshold Out Of Range`	Air detector mV reading did not fall within established air or fluid mV threshold	During last sequence, air detector reading falls outside threshold limits	warning
`Auto QC Days Expiration`	Auto QC use life expired	Auto QC cartridge use life expiration date exceeded	warning
`Auto QC Invalid Part Number`	Auto QC cartridge has invalid part number	Auto QC cartridge detected with invalid part number	error
`Auto QC Lot Expiration`	Auto QC lot shelf life expired	Auto QC cartridge lot expiration date exceeded	warning
`Auto QC Sample Use Expiration`	Auto QC reached maximum sample cycles	Auto QC sample count reached maximum allowed	warning
`BUN Acquisition`	Blood urea nitrogen sensor reading could not be taken during calibration or analysis	BUN sensor fails to produce readable output during calibration or sample analysis	error
`BUN A to A Drift`	BUN sensor drift from previous analysis	During analysis sequence, BUN sensor performance changed significantly from previous analysis	error
`BUN Calculation`	Blood urea nitrogen sensor reading could not be calculated due to sensor or dependent-sensor error	BUN calculation fails during calibration or analysis sequence	error
`BUN/Creat Heater Out Of Tolerance`	BUN/Creatinine plate temperature fell outside tolerances during last sequence	BUN/Creat heater temperature out of range during operation	warning
`BUN/Creat Sensor Card Days Expiration`	BUN/Creatinine sensor use life expired	BUN/Creat sensor cartridge use life expiration exceeded	warning
`BUN/Creat Sensor Card Invalid Part No.`	BUN/Creatinine sensor card has invalid part number	BUN/Creat sensor card detected with invalid part number	error
`BUN/Creat Sensor Card Lot Expiration`	BUN/Creatinine sensor lot shelf life expired	BUN/Creat sensor cartridge lot expiration date exceeded	warning
`BUN/Creat Sensor Card Sample Use Expiration`	BUN/Creatinine sensor reached maximum sample cycles	BUN/Creat sensor sample count reached maximum allowed	warning
`BUN E-zero Drift`	BUN sensor zero point drift from calibration	During analysis sequence, BUN sensor performance changed significantly from successful 2-point calibration	error
`BUN Overload`	Blood urea nitrogen sensor reading exceeded software limits during calibration or analysis	BUN sensor output exceeds maximum threshold during calibration or sample analysis	error
`BUN Sensor Card Void Warranty`	BUN sensor cartridge warranty has been voided; warranty error codes no longer generated	Card removed for over 2 hours, reference cartridge over 150 days old, warranty sample/day limits reached	warning
`BUN Slope`	Blood urea nitrogen calibration standard difference did not meet minimum specifications	During 2-point calibration, BUN sensor response between standards below threshold	error
`BUN Slope Drift`	BUN sensor slope drift from previous calibration	During last calibration, BUN sensor performance changed significantly from previous calibration	error
`BUN Stability`	Blood urea nitrogen sensor reading did not reach stable endpoint during calibration or analysis	BUN sensor reading continues to drift or fluctuate beyond stability threshold	error
`Ca Acquisition`	Calcium sensor reading could not be taken during calibration or analysis	Ca sensor fails to produce readable output during calibration or sample analysis	error
`Ca A to A Drift`	Calcium sensor drift from previous analysis	During analysis sequence, Ca sensor performance changed significantly from previous analysis	error
`Ca Calculation`	Calcium sensor reading could not be calculated due to sensor or dependent-sensor error	Ca calculation fails during calibration or analysis sequence	error
`Ca E-zero Drift`	Calcium sensor zero point drift from calibration	During analysis sequence, Ca sensor performance changed significantly from successful 2-point calibration	error
`Calibrator Days Expiration`	Calibrator use life expired	Calibrator cartridge use life expiration date exceeded	warning
`Calibrator Invalid Part Number`	Calibrator programmed with wrong part number	Calibrator cartridge detected with invalid part number	error
`Calibrator Lot Expiration`	Calibrator shelf life expired	Calibrator cartridge lot expiration date exceeded	warning
`Calibrator Sample Use Expiration`	Calibrator reached maximum sample cycles	Calibrator sample count reached maximum allowed	warning
`Ca Overload`	Calcium sensor reading exceeded software limits during calibration or analysis	Ca sensor output exceeds maximum threshold during calibration or sample analysis	error
`Cartridge Read Failed`	Analyzer unable to read data from consumable cartridge	Read operation from cartridge fails	error
`Cartridge Write Failed`	Analyzer unable to write data to consumable cartridge	Write operation to cartridge fails	error
`Ca Slope`	Calcium calibration standard difference did not meet minimum specifications	During 2-point calibration, Ca sensor response between standards below threshold	error
`Ca Slope Drift`	Calcium sensor slope drift from previous calibration	During last calibration, Ca sensor performance changed significantly from previous calibration	error
`Ca Stability`	Calcium sensor reading did not reach stable endpoint during calibration or analysis	Ca sensor reading continues to drift or fluctuate beyond stability threshold	error
`Cl Acquisition`	Chloride sensor reading could not be taken during calibration or analysis	Cl sensor fails to produce readable output during calibration or sample analysis	error
`Clamp Positioning Failed`	Peristaltic pump clamp assembly positioning failure	Clamp assembly failed to open or close correctly	error
`Cl A to A Drift`	Chloride sensor drift from previous analysis	During analysis sequence, Cl sensor performance changed significantly from previous analysis	error
`Cl Calculation`	Chloride sensor reading could not be calculated due to sensor or dependent-sensor error	Cl calculation fails during calibration or analysis sequence	error
`Cl E-zero Drift`	Chloride sensor zero point drift from calibration	During analysis sequence, Cl sensor performance changed significantly from successful 2-point calibration	error
`Cl Overload`	Chloride sensor reading exceeded software limits during calibration or analysis	Cl sensor output exceeds maximum threshold during calibration or sample analysis	error
`Cl Slope`	Chloride calibration standard difference did not meet minimum specifications	During 2-point calibration, Cl sensor response between standards below threshold	error
`Cl Slope Drift`	Chloride sensor slope drift from previous calibration	During last calibration, Cl sensor performance changed significantly from previous calibration	error
`Cl Stability`	Chloride sensor reading did not reach stable endpoint during calibration or analysis	Cl sensor reading continues to drift or fluctuate beyond stability threshold	error
`Coil Heater Out Of Tolerance`	Coil temperature fell outside tolerances during last sequence	Coil heater temperature out of range during operation	warning
`Contamination Detected`	Debris detected in sensor card cuvette	During last light scan, debris was detected in sensor card cuvette	warning
`COOX Calibration Drift With Existing Card/Pack`	CO-Ox dye absorbance value out of range	During last calibration, CO-Ox dye absorbance fell outside expected range or disagreed with previous average	error
`CO-Ox drift with existing card/pack`	CO-Ox parameters indicate drift or drift in absorbance values with current sensor card or calibration pack installed	One or more conditional calibrations remain in CO-Ox Sequence Execution menu	error
`Creat Acquisition`	Creatinine sensor reading could not be taken during calibration or analysis	Creat sensor fails to produce readable output during calibration or sample analysis	error
`Creat A to A Drift`	Creatinine sensor drift from previous analysis	During analysis sequence, Creat sensor performance changed significantly from previous analysis	error
`Creat Calculation`	Creatinine sensor reading could not be calculated due to sensor or dependent-sensor error	Creat calculation fails during calibration or analysis sequence	error
`Creat E-zero Drift`	Creatinine sensor zero point drift from calibration	During analysis sequence, Creat sensor performance changed significantly from successful 2-point calibration	error
`Creat Overload`	Creatinine sensor reading exceeded software limits during calibration or analysis	Creat sensor output exceeds maximum threshold during calibration or sample analysis	error
`Creat Slope`	Creatinine calibration standard difference did not meet minimum specifications	During 2-point calibration, Creat sensor response between standards below threshold	error
`Creat Slope Drift`	Creatinine sensor slope drift from previous calibration	During last calibration, Creat sensor performance changed significantly from previous calibration	error
`Creat Stability`	Creatinine sensor reading did not reach stable endpoint during calibration or analysis	Creat sensor reading continues to drift or fluctuate beyond stability threshold	error
`Delta mV Check`	Minimum mV delta between flush solution and calibration standards not achieved	During last sequence, calibration standard voltage delta below minimum threshold	error
`Dye calibration`	CO-Ox calibration failure due to absorbance value outside acceptable range or variance	Absorbance value outside 0.5-1.5 mAbs or conditional calibration exceeds ±1.5% variance	error
`EEPROM Read Failed`	EEPROM on consumable cartridge could not be read by analyzer	Analyzer unable to read EEPROM data during cartridge validation	error
`Failed to XCalibrate Spectrometer`	CO-Oximeter X-Axis Optical Calibration failed	CO-Oximeter module unable to successfully initiate or complete X-Axis Optical Calibration	error
`Fluid Threshold Out Of Range`	Air detector mV reading did not fall within established air or fluid mV threshold	During last sequence, air detector reading falls outside threshold limits	warning
`Glu Acquisition`	Glucose sensor reading could not be taken during calibration or analysis	Glu sensor fails to produce readable output during calibration or sample analysis	error
`Glu A to A Drift`	Glucose sensor drift from previous analysis	During analysis sequence, Glu sensor performance changed significantly from previous analysis	error
`Glu Calculation`	Glucose sensor reading could not be calculated due to sensor or dependent-sensor error	Glu calculation fails during calibration or analysis sequence	error
`Glu E-zero Drift`	Glucose sensor zero point drift from calibration	During analysis sequence, Glu sensor performance changed significantly from successful 2-point calibration	error
`Glu Overload`	Glucose sensor reading exceeded software limits during calibration or analysis	Glu sensor output exceeds maximum threshold during calibration or sample analysis	error
`Glu Slope`	Glucose calibration standard difference did not meet minimum specifications	During 2-point calibration, Glu sensor response between standards below threshold	error
`Glu Slope Drift`	Glucose sensor slope drift from previous calibration	During last calibration, Glu sensor performance changed significantly from previous calibration	error
`Glu Stability`	Glucose sensor reading did not reach stable endpoint during calibration or analysis	Glu sensor reading continues to drift or fluctuate beyond stability threshold	error
`Hct Acquisition`	Hematocrit sensor reading could not be taken during calibration or analysis	Hct sensor fails to produce readable output during calibration or sample analysis	error
`Hct A to A Drift`	Hematocrit sensor drift from previous analysis	During analysis sequence, Hct sensor performance changed significantly from previous analysis	error
`Hct Calculation`	Hematocrit sensor reading could not be calculated due to sensor or dependent-sensor error	Hct calculation fails during calibration or analysis sequence	error
`Hct E-zero Drift`	Hematocrit sensor zero point drift from calibration	During analysis sequence, Hct sensor performance changed significantly from successful 2-point calibration	error
`Hct Overload`	Hematocrit sensor reading exceeded software limits during calibration or analysis	Hct sensor output exceeds maximum threshold during calibration or sample analysis	error
`Hct Slope`	Hematocrit calibration standard difference did not meet minimum specifications	During 2-point calibration, Hct sensor response between standards below threshold	error
`Hct Slope Drift`	Hematocrit sensor slope drift from previous calibration	During last calibration, Hct sensor performance changed significantly from previous calibration	error
`Hct Stability`	Hematocrit sensor reading did not reach stable endpoint during calibration or analysis	Hct sensor reading continues to drift or fluctuate beyond stability threshold	error
`I2C in Progress`	I2C communication channel failure	During last sequence, I2C channel unable to communicate with module or component	error
`Insufficient Sample`	Leading edge of aspirated sample was not detected by AD-Ref air detector	During last sequence, sample leading edge not detected by reference air detector	error
`Invalid Auto QC Pack`	Auto QC cartridge was deemed invalid by software	QC cartridge fails validation check	error
`Invalid BUN Card`	BUN sensor cartridge was deemed invalid by software	BUN card fails validation check	error
`Invalid Calibrator`	Calibrator cartridge was deemed invalid by software	Calibrator cartridge fails validation check	error
`Invalid Reference`	Reference cartridge was deemed invalid by software	Reference cartridge fails validation check	error
`Invalid Rotary Valve Position`	Rotary valve in invalid position	Rotary valve unable to move to required position	error
`Invalid Sensor Card`	ABG sensor cartridge was deemed invalid by software	Sensor card fails validation check	error
`K Acquisition`	Potassium sensor reading could not be taken during calibration or analysis	K sensor fails to produce readable output during calibration or sample analysis	error
`K A to A Drift`	Potassium sensor drift from previous analysis	During analysis sequence, K sensor performance changed significantly from previous analysis	error
`K Calculation`	Potassium sensor reading could not be calculated due to sensor or dependent-sensor error	K calculation fails during calibration or analysis sequence	error
`K E-zero Drift`	Potassium sensor zero point drift from calibration	During analysis sequence, K sensor performance changed significantly from successful 2-point calibration	error
`K Overload`	Potassium sensor reading exceeded software limits during calibration or analysis	K sensor output exceeds maximum threshold during calibration or sample analysis	error
`K Slope`	Potassium calibration standard difference did not meet minimum specifications	During 2-point calibration, K sensor response between standards below threshold	error
`K Slope Drift`	Potassium sensor slope drift from previous calibration	During last calibration, K sensor performance changed significantly from previous calibration	error
`K Stability`	Potassium sensor reading did not reach stable endpoint during calibration or analysis	K sensor reading continues to drift or fluctuate beyond stability threshold	error
`Lac Acquisition`	Lactate sensor reading could not be taken during calibration or analysis	Lac sensor fails to produce readable output during calibration or sample analysis	error
`Lac A to A Drift`	Lactate sensor drift from previous analysis	During analysis sequence, Lac sensor performance changed significantly from previous analysis	error
`Lac Calculation`	Lactate sensor reading could not be calculated due to sensor or dependent-sensor error	Lac calculation fails during calibration or analysis sequence	error
`Lac E-zero Drift`	Lactate sensor zero point drift from calibration	During analysis sequence, Lac sensor performance changed significantly from successful 2-point calibration	error
`Lac Overload`	Lactate sensor reading exceeded software limits during calibration or analysis	Lac sensor output exceeds maximum threshold during calibration or sample analysis	error
`Lac Slope`	Lactate calibration standard difference did not meet minimum specifications	During 2-point calibration, Lac sensor response between standards below threshold	error
`Lac Slope Drift`	Lactate sensor slope drift from previous calibration	During last calibration, Lac sensor performance changed significantly from previous calibration	error
`Lac Stability`	Lactate sensor reading did not reach stable endpoint during calibration or analysis	Lac sensor reading continues to drift or fluctuate beyond stability threshold	error
`LED Heater Out Of Tolerance`	LED module temperature fell outside tolerances during last sequence	LED heater temperature out of range during operation	warning
`Mg Acquisition`	Magnesium sensor reading could not be taken during calibration or analysis	Mg sensor fails to produce readable output during calibration or sample analysis	error
`Mg A to A Drift`	Magnesium sensor drift from previous analysis	During analysis sequence, Mg sensor performance changed significantly from previous analysis	error
`Mg Calculation`	Magnesium sensor reading could not be calculated due to sensor or dependent-sensor error	Mg calculation fails during calibration or analysis sequence	error
`Mg E-zero Drift`	Magnesium sensor zero point drift from calibration	During analysis sequence, Mg sensor performance changed significantly from successful 2-point calibration	error
`Mg Overload`	Magnesium sensor reading exceeded software limits during calibration or analysis	Mg sensor output exceeds maximum threshold during calibration or sample analysis	error
`Mg Slope`	Magnesium calibration standard difference did not meet minimum specifications	During 2-point calibration, Mg sensor response between standards below threshold	error
`Mg Slope Drift`	Magnesium sensor slope drift from previous calibration	During last calibration, Mg sensor performance changed significantly from previous calibration	error
`Mg Stability`	Magnesium sensor reading did not reach stable endpoint during calibration or analysis	Mg sensor reading continues to drift or fluctuate beyond stability threshold	error
`Na Acquisition`	Sodium sensor reading could not be taken during calibration or analysis	Na sensor fails to produce readable output during calibration or sample analysis	error
`Na A to A Drift`	Sodium sensor drift from previous analysis	During analysis sequence, Na sensor performance changed significantly from previous analysis	error
`Na Calculation`	Sodium sensor reading could not be calculated due to sensor or dependent-sensor error	Na calculation fails during calibration or analysis sequence	error
`Na E-zero Drift`	Sodium sensor zero point drift from calibration	During analysis sequence, Na sensor performance changed significantly from successful 2-point calibration	error
`Na Overload`	Sodium sensor reading exceeded software limits during calibration or analysis	Na sensor output exceeds maximum threshold during calibration or sample analysis	error
`Na Slope`	Sodium calibration standard difference did not meet minimum specifications	During 2-point calibration, Na sensor response between standards below threshold	error
`Na Slope Drift`	Sodium sensor slope drift from previous calibration	During last calibration, Na sensor performance changed significantly from previous calibration	error
`Na Stability`	Sodium sensor reading did not reach stable endpoint during calibration or analysis	Na sensor reading continues to drift or fluctuate beyond stability threshold	error
`Nest Heater Out Of Tolerance`	Nest temperature fell outside tolerances during last sequence	Nest heater temperature out of range during operation	warning
`No Air When Required`	Air detector did not detect air when expected during last sequence	Air not detected by air detector at expected time	error
`No Flush When Required`	Air detector did not detect flush solution when expected during last sequence	Flush solution not detected by air detector at expected time	error
`No Internal QC When Required`	Air detector did not detect QC solution when expected during internal QC analysis	During last internal QC analysis, QC solution not detected by air detector	error
`No Sample For Hct`	No sample detected at air detector when hematocrit measurement expected	During last sequence, sample not detected for hematocrit analysis	error
`No Sample When Required`	Air detector did not detect the sample when expected during analysis sequence	During last sequence, air detector failed to detect sample at expected time	error
`No Standard A When Required`	Air detector did not detect Standard A calibration fluid when expected	Standard A not detected by air detector during calibration sequence	error
`No Standard B When Required`	Air detector did not detect Standard B calibration fluid when expected	Standard B not detected by air detector during calibration sequence	error
`No Standard C When Required`	Air detector did not detect Standard C calibration fluid when expected	Standard C not detected by air detector during calibration sequence	error
`No Standard D When Required`	Air detector did not detect Standard D calibration fluid when expected	Standard D not detected by air detector during calibration sequence	error
`pCO2 Acquisition`	pCO2 sensor reading could not be taken during calibration or analysis	pCO2 sensor fails to produce readable output during calibration or sample analysis	error
`pCO2 A to A Drift`	pCO2 sensor drift from previous analysis	During analysis sequence, pCO2 sensor performance changed significantly from previous analysis	error
`pCO2 Calculation`	pCO2 sensor reading could not be calculated due to sensor or dependent-sensor error	pCO2 calculation fails during calibration or analysis sequence	error
`pCO2 E-zero Drift`	pCO2 sensor zero point drift from calibration	During analysis sequence, pCO2 sensor performance changed significantly from successful 2-point calibration	error
`pCO2 Overload`	pCO2 sensor reading exceeded software limits during calibration or analysis	pCO2 sensor output exceeds maximum threshold during calibration or sample analysis	error
`pCO2 Slope`	pCO2 calibration standard difference did not meet minimum specifications	During 2-point calibration, pCO2 sensor response between standards below threshold	error
`pCO2 Slope Drift`	pCO2 sensor slope drift from previous calibration	During last calibration, pCO2 sensor performance changed significantly from previous calibration	error
`pCO2 Slope Drop`	PCO2 sensor did not meet minimum specifications	During last 2-point calibration, pCO2 sensor did not meet minimum specifications	error
`pCO2 Slope Time Check`	PCO2 sensor response time failure	During last 2-point calibration, pCO2 sensor did not meet minimum response specifications	error
`pCO2 Stability`	pCO2 sensor reading did not reach stable endpoint during calibration or analysis	pCO2 sensor reading continues to drift or fluctuate beyond stability threshold	error
`pH Acquisition`	pH sensor reading could not be taken during calibration or analysis	pH sensor fails to produce readable output during calibration or sample analysis	error
`pH A to A Drift`	pH sensor drift from previous analysis	During analysis sequence, pH sensor performance changed significantly from previous analysis	error
`pH Calculation`	pH sensor reading could not be calculated due to sensor or dependent-sensor error	pH calculation fails during calibration or analysis sequence	error
`pH E-zero Drift`	pH sensor zero point drift from calibration	During analysis sequence, pH sensor performance changed significantly from successful 2-point calibration	error
`pH Overload`	pH sensor reading exceeded software limits during calibration or analysis	pH sensor output exceeds maximum threshold during calibration or sample analysis	error
`pH Slope`	pH calibration standard difference did not meet minimum specifications	During 2-point calibration, pH sensor response between standards below threshold	error
`pH Slope Drift`	pH sensor slope drift from previous calibration	During last calibration, pH sensor performance changed significantly from previous calibration	error
`pH Stability`	pH sensor reading did not reach stable endpoint during calibration or analysis	pH sensor reading continues to drift or fluctuate beyond stability threshold	error
`pO2 Acquisition`	pO2 sensor reading could not be taken during calibration or analysis	pO2 sensor fails to produce readable output during calibration or sample analysis	error
`pO2 A to A Drift`	pO2 sensor drift from previous analysis	During analysis sequence, pO2 sensor performance changed significantly from previous analysis	error
`pO2 Calculation`	pO2 sensor reading could not be calculated due to sensor or dependent-sensor error	pO2 calculation fails during calibration or analysis sequence	error
`pO2 E-zero Drift`	pO2 sensor zero point drift from calibration	During analysis sequence, pO2 sensor performance changed significantly from successful 2-point calibration	error
`pO2 Overload`	pO2 sensor reading exceeded software limits during calibration or analysis	pO2 sensor output exceeds maximum threshold during calibration or sample analysis	error
`pO2 Slope`	pO2 calibration standard difference did not meet minimum specifications	During 2-point calibration, pO2 sensor response between standards below threshold	error
`pO2 Slope Drift`	pO2 sensor slope drift from previous calibration	During last calibration, pO2 sensor performance changed significantly from previous calibration	error
`pO2 Stability`	pO2 sensor reading did not reach stable endpoint during calibration or analysis	pO2 sensor reading continues to drift or fluctuate beyond stability threshold	error
`Preheater Out Of Tolerance`	Preheater temperature fell outside tolerances during last sequence	Preheater temperature out of range during operation	warning
`Printer Door Open`	Thermal printer door not fully closed	Printer door sensor indicates printer door is open	warning
`Printer Out Of Paper`	Thermal printer paper depleted or not detected	Printer paper sensor does not detect available paper roll	warning
`Probe Failed To Home`	Sample probe unable to reach home position	Sampler unable to move sample probe to required position	error
`Reference Days Expiration`	Reference cartridge use life expired	Reference cartridge use life expiration exceeded	warning
`Reference Invalid Part Number`	Reference cartridge has invalid part number	Reference cartridge detected with invalid part number	error
`Reference Lot Expiration`	Reference cartridge shelf life expired	Reference cartridge lot expiration date exceeded	warning
`Reference Sample Use Expiration`	Reference cartridge reached maximum sample cycles	Reference cartridge sample count reached maximum allowed	warning
`RFID Tag Not Found`	RFID tag for one or more consumables was not found by reader	Consumable cartridge installed without readable RFID tag	error
`Rotary Valve Failed To Home`	Rotary valve unable to reach home position	Rotary valve unable to move to required position	error
`Sample Contamination`	Blood debris detected in Sensor Card cuvette; CO-Ox parameters are unreliable	Analyzer detects blood debris inside cuvette during sample analysis	error
`Sample Position`	No sample detected at one or more air detectors when expected during sequence	During last sequence, sample position not confirmed by air detectors	error
`Sampler Failed Reaching Top Sensor`	Sampler unable to reach top sensor position	Sampler unable to move to top sensor position	error
`Sampler Homing Failed`	Sampler homing sequence failed	Sampler unable to complete homing sequence	error
`Sampler Positioning Failed`	Sampler unable to reach required position	Sampler unable to move to required position	error
`Scanner Communications`	Barcode scanner communication failure	System bar code scanner did not respond or respond correctly	error
`Scanner Timeout`	Barcode scanner timeout	System bar code scanner did not respond when expected	error
`Sensor Card Days Expiration`	Sensor card use life expired	Sensor cartridge use life expiration date exceeded	warning
`Sensor Card Invalid Part Number`	Sensor card programmed with wrong part number	Sensor cartridge detected with invalid part number	error
`Sensor Card Lot Expiration`	Sensor card shelf life expired	Sensor cartridge lot expiration date exceeded	warning
`Sensor Card Sample Use Expiration`	Sensor card reached maximum sample cycles	Sensor cartridge sample count reached maximum allowed	warning
`Short Sample`	No sample detected at one or more air detectors when expected	During last sequence, sample not detected at one or more air detector positions	error
`Spectro Heater Out Of Tolerance`	Spectrometer temperature fell outside tolerances during last sequence	Spectrometer heater temperature out of range during operation	warning

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.