Infant warmers and incubators

Datex-Ohmeda Panda: troubleshooting and error codes

The ServiceForge knowledge base holds 318 documented symptoms for the Datex-Ohmeda Panda, with 622 ranked causes, 562 diagnostic checks with test points and expected values, and 110 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Procedure light does not illuminate

Procedure light assembly does not produce light when switched on

Ranked causes

1. Burned-out or defective halogen bulb (common)
2. 12V DC power source or control circuitry failure (occasional)
3. No mains power to 12V DC power supply (occasional)
4. AC short causing blown fuse on Power PCA (occasional)
5. AC short on Power PCA (occasional)
6. AC short in wiring to 12V DC power supply (rare)
7. AC short in 12V DC power supply (rare)
8. DC power supply output failure (occasional)
9. Disconnected or faulty harness (occasional)
10. Faulty Procedure Light harness (occasional)
11. Faulty Alarm/Light PCA ribbon cable or defective PCA (rare)

First check

Test halogen bulb for continuity

Test point: Halogen bulb
Expected: <1 Ohm
Tools: Ohm Meter

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

Procedure light does not illuminate

No light output from procedure light assembly when switched on

Ranked causes

2. No 12V DC power to bulb socket (common)
4. Blown AC fuse on Power PCA (occasional)
5. AC short on Power PCA (rare)
6. AC short in wiring to 12V DC Power Supply (occasional)
7. AC short in 12V DC Power Supply (rare)
8. PF choke failure (rare)
9. Defective or disconnected 12V DC Power Supply (occasional)
10. Open in harness between power supply and bulb (occasional)
11. Faulty procedure light assembly harness (occasional)
12. No 12V DC to procedure light assembly connector (occasional)
13. Faulty Alarm/Light PCA ribbon cable (rare)

First check

Test halogen bulb continuity

Test point: Halogen bulb terminals
Expected: <1 Ohm
Tools: Ohm Meter

12 more checks with pass and fail actions, 14 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

SpO2 reading inaccurate or absent patient safety

Pulse oximetry measurements affected by patient conditions, environmental factors, or sensor application errors

Ranked causes

1. Excessive patient movement (common)
2. Sensor applied too tightly (common)
3. Ambient light interference (common)
4. Venous pulsations (occasional)
5. Intravascular dyes or external coloring (occasional)
6. Sensor on extremity with blood pressure cuff or catheter (occasional)
7. Poor peripheral perfusion (occasional)
8. Arterial occlusion proximal to sensor (rare)
9. Dysfunctional hemoglobins (carboxyhemoglobin, methemoglobin, sulphemoglobin) (rare)
10. Anemia with hemoglobin below 5 gm/dl (rare)

First check

Verify sensor is properly and securely applied

Test point: Sensor site on patient extremity
Expected: Sensor firmly positioned, not too tight, in contact with skin

3 more checks with pass and fail actions, 10 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Inaccurate pulse oximetry readings patient safety

SpO2 measurements do not reflect actual patient oxygenation; readings inconsistent with clinical assessment

Ranked causes

1. Incorrect sensor application or use (common)
2. Significant dysfunctional hemoglobin levels (occasional)
3. Intravascular dyes present (rare)
4. Excessive ambient light exposure (occasional)
5. Excessive patient movement (common)
6. Venous pulsations detected (occasional)
7. Blood pressure cuff or catheter on same extremity (common)
8. Non-specified accessories or cables used (occasional)

First check

Verify sensor application per directions for use

Test point: Sensor site
Expected: Sensor applied correctly per manufacturer instructions

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

Elevating base no motion caution

Elevating base (E-Base) does not move up or down

Ranked causes

1. Defective elevating base unit (occasional)
2. No power to elevating base (occasional)
3. Blown fuse on power distribution (occasional)
4. Disconnected E-Base harness (occasional)
5. Defective E-Base harness (occasional)
6. Defective Power PCA (occasional)
7. Defective Control PCA (occasional)

First check

Test E-Base movement and power indicator

Expected: Green light ON; E-Base responds to foot switch pedals

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

Inaccurate SpO2 measurements patient safety

Pulse oximetry readings appear unreasonable or do not correlate with patient vital signs

Ranked causes

1. Incorrect sensor application or placement (common)
2. Dysfunctional hemoglobin present (carboxyhemoglobin or methemoglobin) (occasional)
3. Intravascular dyes present (occasional)
4. Excessive illumination interfering with sensor (common)
5. Excessive patient movement or artifact (occasional)
6. Venous pulsations present (rare)
7. Blood pressure cuff or vascular access on same extremity (common)

First check

Cross-check SpO2 reading with alternate measurement method and patient vital signs

Test point: Patient examination and alternate pulse oximetry or blood gas analysis
Expected: Pulse oximeter reading correlates reasonably with patient condition and alternate measurements

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

No light from procedure light (halogen)

Procedure light halogen bulb does not illuminate when switch is turned on; heater may be powered on normally

Ranked causes

1. Burned-out or defective halogen bulb (common)
2. No mains AC power to 12V DC power supply or supply defect (occasional)
3. No mains AC power reaching power PCA J28 connector (occasional)
4. AC short causing blown fuse in power distribution (occasional)
5. AC short circuit on power PCA PCB (rare)
6. AC short in wiring between power PCA and 12V DC supply (rare)
7. AC short or failure in 12V DC power supply unit (rare)

First check

Test halogen bulb continuity

Test point: Halogen bulb
Expected: <1 Ohm (continuous)
Tools: Ohmmeter

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

No motion from elevating base caution

Elevating base does not respond to footswitch controls or shows no movement

Ranked causes

1. Defective elevating base unit (common)
2. No power to E-Base (common)
3. Blown fuse (occasional)
4. Disconnected AC harness (occasional)
5. Defective E-Base harness (occasional)
6. Defective Power PCA (occasional)
7. Defective Control PCA (occasional)

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

SpO2 probe not detected patient safety

System fails to recognize SpO2 probe during startup or operation; probe icon does not appear on screen

Ranked causes

1. Dislodged SpO2 connector from probe plate (occasional)
2. Poor probe connector seating at probe panel (occasional)
3. Reverse probe connection (occasional)
4. Defective SpO2 flex circuit connection (occasional)
5. Defective SpO2 probe (occasional)
6. No communication between SpO2 I/F PCA and Control PCA (common)
7. Defective SpO2 I/F PCA or Control PCA (occasional)

First check

Verify probe connector seating at probe panel

Expected: Connector fully seated at jack plate

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

Both bulbs do not light (Halogen) high voltage

Neither of the two halogen observation bulbs illuminates

Ranked causes

1. Loose connector and wiring (common)
2. No mains to transformer (common)
3. Bad dimmer pot switch (occasional)
4. Bad fuse (occasional)
5. Bad relay on power PCA (occasional)
6. Bad transformer (rare)

First check

Check lamp wiring

Test point: Harness at J26
Expected: Continuity and no shorts

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

Both observation light bulbs do not illuminate

Neither of the two observation light bulbs produce light output.

Ranked causes

1. Bad lamp wiring or connection (common)
2. No mains voltage to transformer (common)
3. Bad dimmer potentiometer switch (occasional)
4. Bad fuse F11 or F12 on power PCA (occasional)
5. Bad relay on power PCA (rare)
6. Bad transformer assembly (occasional)

First check

Test mains voltage at transformer input

Test point: J24 pins 3 and 4 on power PCA
Expected: Mains voltage present with dimmer ON
Tools: AC Volt Meter

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

Hands Free Alarm Silence does not work caution

Hands free silence feature cannot silence alarm when hand waved in front of panel

Ranked causes

1. Too much ambient sunlight (occasional)
2. Alarm/Light PCA not programmed or defective (occasional)
3. Hands free silence disabled in software (occasional)
4. Open ribbon cable connection (occasional)
5. Defective emitter/receiver circuit (rare)
6. Defective Control PCA (rare)

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

Loss of pulse signal patient safety

Pulse waveform no longer detected by pulse oximeter despite sensor connection

Ranked causes

1. Sensor applied too tightly (common)
2. Excessive illumination at sensor site (common)
3. Blood pressure cuff inflated on sensor extremity (common)
4. Patient hypotension, severe vasoconstriction, severe anemia, or hypothermia (occasional)
5. Arterial occlusion proximal to sensor (rare)
6. Patient in cardiac arrest or shock (rare)

First check

Assess sensor tightness on extremity

Test point: Sensor application site
Expected: Sensor snug but not tight; skin blanching minimal if any

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

Loss of up/down control from one footswitch caution

One footswitch pedal does not raise or lower base; other pedal may work normally

Ranked causes

2. Blown fuse in power circuit (occasional)
3. Disconnected AC harness to Power PCA (occasional)
3. Low AC voltage to E-Base harness (occasional)
4. Defective E-Base harness (occasional)
5. Defective Power PCA (rare)
6. Defective Control PCA (rare)

First check

Test fuses F1, F4 on Power PCA for continuity

Test point: Fuses F1, F4 on Power PCA after removing observation light transformer bracket
Expected: Fuse intact (ohm meter shows continuity); not blown
Tools: 5.5 mm Hex Wrench, Needle nose pliers, Ohm Meter

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

No SpO2 signal or zero saturation displayed patient safety

Module reports zero saturation with loss-of-pulse condition and audible alarm; signal search icon appears.

Ranked causes

1. Sensor too tight on patient extremity (common)
2. Excessive ambient illumination interfering with measurement (common)
3. Blood pressure cuff inflated on same extremity as sensor (occasional)
4. Patient hypotension, vasoconstriction, anemia, or hypothermia (occasional)
5. Arterial occlusion proximal to sensor site (rare)
6. Patient in cardiac arrest or shock (rare)

First check

Verify signal strength indicator

Test point: Signal strength indicator on display
Expected: Strong signal

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

One bulb does not light (LED) caution

Only one of two observation LEDs illuminates when switched on

Ranked causes

1. Defective bulb (common)
2. Loose contact at LED socket (common)
3. Loose contact of mating connector at Power PCA (occasional)
4. Faulty lamp wiring (occasional)
5. Bad socket (occasional)
6. Bad Power PCA (rare)

First check

Reseat LED in socket

Test point: LED socket
Expected: LED glows when knob rotated

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

Alarm message: Confirm Probe Jack Connection patient safety

Display prompts user to confirm or check probe jack connection

Ranked causes

1. Defective or improperly seated temperature probe (common)
2. Cold probe (less than 24°C) (common)
3. Defective rail harness (occasional)
4. Defective Probe Panel Interface Board (occasional)
5. Defective Control PCA (rare)

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

Both observation bulbs do not light

Both observation light bulbs fail to illuminate

Ranked causes

1. No mains power to transformer (common)
2. Bad dimmer pot switch (occasional)
3. Bad fuse on Power PCA (occasional)
4. Bad relay on Power PCA (occasional)
5. Bad transformer (occasional)

First check

Check lamp wiring continuity

Test point: Harness at J26
Expected: Continuity at pins 1-3 and 2-4

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

Both observation bulbs do not light

Neither bulb in observation light assembly illuminates

Ranked causes

1. No AC mains to observation light transformer (common)
2. Bad dimmer pot switch (occasional)
3. Bad fuse on Power PCA (occasional)
4. Bad relay on Power PCA (occasional)
5. Bad observation light transformer (occasional)

First check

Check lamp wiring continuity

Test point: Harness at J26: pins 1-3 and 2-4 with bulbs installed
Expected: Continuity present
Tools: Ohm Meter

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

Confirm Probe Jack Connection alarm patient safety

Probe temperature below 24C or probe connection not properly detected

Ranked causes

1. Defective probe (common)
2. Cold probe below 24C (common)
3. Damaged rail harness (occasional)
4. Defective Probe Panel Interface Board (occasional)
5. Defective Control PCA (occasional)

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

Loss of up/down control from one foot switch caution

One foot switch pedal does not move the elevating base up or down

Ranked causes

2. Disconnected harness at Power PCA J28 (occasional)
3. Defective E-Base harness (occasional)
4. Defective Power PCA (occasional)
5. Defective Control PCA (occasional)
6. Blown fuse F1 or F4 (rare)

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

No light from procedure light (LED)

Procedure light LED does not illuminate when switch is turned on; heater may be powered on normally

Ranked causes

1. Burned-out or defective LED bulb (common)
2. 12V DC power supply or control circuitry failure (occasional)
3. Loose LED socket contact (occasional)
4. Loose mating connector at Power PCA J9 (occasional)
5. Faulty procedure light harness (occasional)

First check

Measure LED bulb impedance

Test point: LED bulb
Expected: >10 Kilo-Ohm for good bulb
Tools: Multimeter

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

One bulb does not light (Halogen) high voltage

Only one of two halogen observation bulbs illuminates

Ranked causes

1. Bad bulb (common)
2. Bad harness or bad socket (occasional)
3. Short in lamp wiring (occasional)
4. Bad socket (rare)
5. Bad harness connection (rare)

First check

Test bulb continuity

Test point: Bulb terminals
Expected: < 1 Ohm

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

One observation bulb does not light

Single bulb in observation light assembly does not illuminate while the other may work

Ranked causes

1. Bad bulb (common)
2. Bad harness or bad socket (occasional)
3. Open in lamp wiring (occasional)
4. Short in lamp wiring (rare)
5. Bad bulb socket (occasional)

First check

Test bulb continuity

Test point: Bulb terminals
Expected: <1 Ohm
Tools: Ohm Meter

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

Alarm message: Temp Probe Failure patient safety

Display shows alarm message indicating temperature probe not functioning

Ranked causes

1. Defective temperature probe (common)
2. Defective rail harness (occasional)
3. Defective Probe Panel Interface Board (occasional)
4. Defective Control PCA (rare)

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

Blank black screen with no alarms

Display shows no image and no alarm messages are generated.

Ranked causes

1. Loss of 12V to Control PCA (common)
2. LCD backlight not connected to LED driver board (common)
3. Protective film on LCD (occasional)
4. Bad LCD cable connection (common)

First check

Verify LED7 indicator is lit

Test point: LED7 on Control PCA
Expected: LED lit (red indicates power to LCD module)

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

Flashing alarm light; warmer will not initialize caution

Alarm light flashes continuously and unit fails to initialize

Ranked causes

1. DC supply voltage low (common)
2. Defective power supply (occasional)
3. Defective warmer head harness (occasional)
4. Defective Power PCA (occasional)

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

Hands free alarm silence not working

Hands free alarm silence feature does not function when hand waved

Ranked causes

1. Too much ambient sunlight (occasional)
2. Alarm/Light PCA not programmed (occasional)
3. Function disabled in software (occasional)
4. Open connection or defective emitter/receiver (occasional)

First check

Ambient light conditions

Expected: Minimal direct sunlight, procedure light not maximum

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

Light output flickers at lowest LED observation light setting

Observation light (LED) flickers or flashes at lowest brightness setting; higher settings may work normally

Ranked causes

1. Defective LED bulb (common)
2. Loose LED contact in socket (occasional)
3. Loose J9 mating connector on Power PCA (occasional)
4. Faulty Power PCA board (occasional)

First check

Measure observation LED bulb impedance

Test point: LED bulb
Expected: >10 kilo Ohm for good bulb
Tools: Multimeter

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

No audio indication of alarms patient safety

No audible tone when alarm conditions occur

Ranked causes

2. Door switch harness connection loose (occasional)
3. Solder connection failure at speaker (occasional)
4. Defective speaker (occasional)
5. Control PCA defective (occasional)

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

No SpO2 probe detected patient safety

SpO2 sensor not recognized when connected

Ranked causes

1. Improper probe mating with connector (common)
2. Dislodged SpO2 connector (common)
3. Reverse probe connection (occasional)
4. Defective SpO2 Flex Circuit (occasional)

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

One observation light bulb does not illuminate

One of the two observation light bulbs fails to produce light.

Ranked causes

1. Bad or burned-out bulb (common)
2. Bad harness or bad socket (occasional)
3. Faulty bulb socket (occasional)
4. Bad harness connection at power PCA (rare)

First check

Test bulb continuity

Test point: Bulb terminals
Expected: <1 Ohm
Tools: Ohm Meter, Bladed screwdriver

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

Red screen with flashing alarm lights and HP alarm

Display shows red screen; alarm lights flash; HP alarm sounds

Ranked causes

1. NVRAM failure (common)
2. Defective or disconnected ribbon cable (occasional)
3. Control PCA failure (occasional)
4. Real Time Clock / NVRAM hardware failure (occasional)

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

Scale does not return a weight caution

Scale fails to display weight readings or produces consistently inaccurate weights

Ranked causes

1. Hardware issue or miscalibration (common)
2. Software malfunction (occasional)
3. Outdated scale software version (occasional)
4. Scale slow to return weight (occasional)

First check

Perform scale hardware check

Test point: Scale hardware sensors
Expected: All hardware components functional per procedure 3.2.5.1

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

Sys Fail 11 [AA AA AA AA] patient safety

Heat Control Processor communication failed due to Power-On Self Test failure

Ranked causes

1. Wrong mains voltage (occasional)
2. Open or loose heater AC fuse connection (common)
3. Open T-Stat at Power-on (occasional)
4. Defective/Disconnected cable (occasional)

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

Sys Fail 11 [xx 00 00 00] or [FF FF FF FF] patient safety

Heat Control Processor stopped communicating with Main Application Processor

Ranked causes

1. Defective/Disconnected ribbon cable (common)
2. No +5V DC at TP20 pin 2 (common)
3. Invalid /Reset signal (common)
4. Open or faulty fuses F9 & F10 (common)

First check

Inspect ribbon cable seating

Test point: 20 pin ribbon cable between Power and Control PCA
Expected: Fully seated
Tools: Visual inspection

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

System Failure 11 (Sys Fail 11 [xx 00 00 00] or [FF FF FF FF]) caution

Unit displays Sys Fail 11; heat control processor stopped communicating with main application processor.

Ranked causes

1. Defective or disconnected cable (common)
2. Power PCA voltage failure (common)
3. Reset signal failure (common)
4. Open or loose heater AC fuse connection (occasional)

First check

Verify ribbon cable seating

Test point: 20 pin ribbon between Power and Control PCA
Expected: Cable fully seated at both connectors

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

Temp Probe Failure alarm message patient safety

Temperature probe sensor not detected or communication failure with probe

Ranked causes

1. Incorrect probe connections (common)
2. Damaged probe rail harness (occasional)
3. Defective Probe Panel Interface Board (occasional)
4. Defective Control PCA (occasional)

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

Temperature ADC channels out of specification

Temperature sensor readings or reference voltages exceed expected tolerances during diagnostics

Ranked causes

1. ADC channel 1 (Vthref) voltage out of range (unknown)
2. Patient probe thermistor mismatch (unknown)
3. Reference temperature (37°C) voltage out of range (unknown)
4. Reference 1P235 voltage out of range (unknown)

First check

Measure ADC channel 1 Vthref

Test point: ADC Channel 1
Expected: Raw Value 2048 (±4), Corrected Value 1500 (±3) mV raw, ±4

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

Unit will not turn on (power fail alarm) high voltage

Unit does not power up; power fail alarm displayed or triggered; no response to power switch

Ranked causes

1. No 12V DC power supply output (common)
2. Blown fuse on Power PCA (F7 or F8) (occasional)
3. No AC voltage to Power PCA (front switch, harness, line filter) (common)
4. No signal from Heat Control Processor (rare)

First check

Measure 12V DC from chassis to top of fuse F7 on Power PCA

Test point: Power PCA fuse F7 (top side)
Expected: 12V DC, nominal
Tools: DC Volt Meter

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

Backlight not working

Display backlight does not illuminate or is very dim

Ranked causes

1. Fuse F7 open on Power PCA (common)
2. Bad backlight connections (common)
3. Defective Control PCA or LCD module (occasional)

First check

Check fuse F7 resistance

Test point: Fuse F7 on Power PCA
Expected: < 1 Ohm if intact, open if blown
Tools: Ohm Meter, Needle nose pliers

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

Blank black screen with no alarms

Display is completely black with no alarm indications

Ranked causes

1. Loss of 12V to Control PCA (common)
2. LCD backlights not connected (common)
3. Fuse F7 failure on Power PCA (occasional)

First check

Check LED7 light status on Control PCA

Test point: LED7 on Control PCA
Expected: Red light indicates LCD receiving power

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

Both bulbs do not light (LED) caution

Neither of the two observation LEDs illuminates when switched on

Ranked causes

1. Loose connector and wiring (common)
2. Bad dimmer pot switch (occasional)
3. Bad Power PCA (occasional)

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

Display not visible or unresponsive

LCD screen shows nothing or cannot be interacted with; backlight may not be illuminated.

Ranked causes

1. Protective film on LCD (common)
2. Bad LCD cable connection (common)
3. Backlight connection failure (occasional)

First check

Verify protective film removal

Test point: LCD surface
Expected: No film present

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

E-Base not moving caution

Elevating base does not respond to foot switch pedals; no vertical bed movement

Ranked causes

1. Defective E-Base unit (common)
2. No power to E-Base (common)
3. Blown fuse on Power PCA (occasional)

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

Elevating base no motion caution

Footswitch pedals do not raise or lower base; green light may or may not be present

Ranked causes

1. Defective E-Base unit (occasional)
2. No power to E-Base (common)
3. Loose footswitch connectors (common)

First check

Plug spare line cord directly into E-Base AC inlet and observe indicator light

Test point: E-Base AC inlet; green light indicator on E-Base column
Expected: Green light ON

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

Flashing alarm light; warmer will not initialize

Alarm light flashing and warmer fails to initialize properly

Ranked causes

1. DC Supply voltage issue (common)
3. Defective harness (occasional)
4. Defective Power PCA (occasional)

First check

DC supply voltage

Test point: Power PCA TP20 pins 3 and 22-3
Expected: at least 11.5V, >= 11.5

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

Hands Free Alarm Silence does not work

Hands free alarm silence feature is not responding to hand gestures in front of alarm panel

Ranked causes

2. Alarm/light PCA not programmed (occasional)
3. Function disabled or not enabled in software (occasional)
4. Open connection in ribbon cable (occasional)

First check

Verify device location and lighting

Test point: Ambient light conditions and light settings
Expected: Device not in direct sunlight; light settings not at maximum

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

LCD backlight dim or non-uniform lighting

LCD backlight is dim or illumination is uneven across display

Ranked causes

1. Bad LCD backlight component (common)
2. Loss of 12V power to Control PCA (occasional)
3. LCD backlights not connected to Control PCA (occasional)

First check

Check backlight connector seating at Control PCA

Test point: J4, J8 on Control PCA
Expected: Connectors mated and pinned correctly, no bent pins

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

No audible Power Fail Alarm high voltage

No audible alarm tone when unit loses AC power

Ranked causes

2. Ribbon cable disconnected or improperly seated (occasional)
3. Front panel switch connection loose (occasional)
4. Defective or depleted battery (occasional)

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

No scale icon displayed caution

Scale icon does not appear on display screen for bedded scale unit

Ranked causes

2. Defective cable (common)
3. Defective printed circuit board (occasional)
4. Defective scale receptacle on unit (occasional)

First check

Verify scale connection

Test point: Scale connector at probe panel
Expected: Scale properly connected and seated

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

Potential patient harm from misconfigured alarms patient safety

Patient safety compromised if alarm limits not verified or alarms silenced inappropriately

Ranked causes

1. Alarm limits not verified for current patient (common)
2. Audible alarm function silenced or volume decreased inappropriately (occasional)
3. Alarm speaker blocked or obstructed (occasional)

First check

Verify alarm limits are set appropriately for patient

Test point: Pulse oximeter alarm limit settings
Expected: Low and high SpO2 alarm thresholds appropriate for patient age and clinical condition

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

Scale icon disappears/reappears repeatedly caution

Scale icon on control panel intermittently disappears and reappears; scale makes repeated clicking noise

Ranked causes

1. Defective or disconnected scale cable (common)
2. Defective printed circuit board (occasional)
3. Defective scale receptacle on unit (occasional)

First check

Verify connector insertion

Test point: Scale connector at receptacle
Expected: Connector fully inserted into receptacle

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

Sensor disconnect error or alarm patient safety

Sensor disconnect error message displayed and associated alarm triggered

Ranked causes

1. Sensor disconnected from patient or control unit (common)
2. Faulty wiring or loose connector (occasional)
3. Damaged sensor (occasional)

First check

Verify sensor physical connection to control unit

Test point: Sensor connector port on control panel
Expected: Connector fully seated and secure

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

Sensor disconnect or no signal patient safety

Pulse oximeter displays sensor disconnect error message and associated alarm; no reading obtained

Ranked causes

1. Sensor disconnected from module (common)
2. Faulty wiring or cable damage (occasional)
3. Defective sensor (occasional)

First check

Verify sensor connector is fully seated

Test point: Sensor port on Panda iRes or Giraffe control panel
Expected: Connector fully inserted; audible click heard

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

SpO2 readings affected by environmental or application conditions patient safety

Pulse oximetry readings may be inaccurate due to sensor application errors, ambient environmental conditions, or patient conditions affecting measurement.

Ranked causes

1. Sensor applied incorrectly or placed on unsuitable site (common)
2. Ambient environmental conditions interfering with optical measurement (common)
3. Patient motion or unstable perfusion (occasional)

First check

Ensure sensor is applied to pulsating arteriolar vascular bed

Test point: Sensor placement site
Expected: Finger, toe, or other appropriate pulsating arteriolar site

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

Sys Fail 03

Memory error occurred in NVRAM or control PCA

Ranked causes

1. NVRAM chip cover not properly seated (common)
2. Corrupted application flash (occasional)
3. Control PCA failure (occasional)

First check

Inspect NVRAM chip cover

Test point: NVRAM chip on control PCA
Expected: Cover fully and properly seated; battery retained

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

Sys Fail 06 [0B XX 00 00] patient safety

Over temperature thermostat is open. Added in MAP Version 1.1.0 and later.

Ranked causes

1. Open over-temperature thermostat (common)
2. Defective thermostat or harness (common)
3. Defective power PCA (occasional)

First check

Inspect heater vents for obstruction

Test point: Heater head cooling vents and heater duct
Expected: No obstructions present

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

Sys Fail 06 [0B XX 00 00] patient safety

Over temp T-Stat open condition detected

Ranked causes

1. Open overtemp T-Stat (common)
2. Defective T-Stat or Harness (common)
3. Defective Power PCA (occasional)

First check

Inspect for heater blockage

Test point: Heater duct and heater head vents
Expected: No obstructions visible

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

Sys Fail 06 overtemp T-Stat open caution

Sys Fail 06 error, over temperature T-Stat open circuit detected

Ranked causes

1. Open overtemp T-Stat (common)
2. Defective T-Stat or harness (occasional)
3. Defective Power PCA (occasional)

First check

Check heater duct and vents for blockage

Test point: Heater duct, heater head vents
Expected: Clear passage with no obstruction

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

More symptoms

Sys Fail 09 [XX 80 XX XX] / [XX 10 XX XX] / [XX 50 XX XX] / [0A XX 00 00]
Sys Fail 11 [AA AA AA AA]
System Failure 02 (Sys Fail 02)
System Failure 06 (Sys Fail 06 [0B XX 00 00])
System Failure 08 (Sys Fail 08 [xx xx 00 00])
Unit will not turn on
Alarm message: Confirm Probe Jack Connection
Alarm sounds inaudible or suppressed
Bed does not tilt
Bed does not tilt
Button not working
Button not working
Calibration: Heater head alignment
Cannot enter Service Mode
Check SpO2 probe quality
Damaged sensor or cable detected
Device exposure to moisture or extreme conditions
Dim or non-uniform light
HR missing and scale missing since startup
Inadequate patient cable or sensor integrity
LCD display blank black screen with no alarms
LCD display blank black screen with no alarms
LCD display not visible or has arrow after replacement
Light output dim at highest LED observation light setting
Light output dim at highest setting (Halogen)
Light output flickers at lowest setting (Halogen)
Lights are not dimmable (Halogen)
Lights are not dimmable (LED)
Lights stay dim with switch off (Halogen)
Lights stay ON with observation knob switched off (LED)
Lithium-ion battery installation error
No POST pass tone heard at startup
No SpO2 probe detected
Observation light dim at highest brightness setting
Observation light dim at highest setting
Observation light flickers at lowest setting
Observation light flickers at lowest setting
Observation light output dim at highest setting
Observation light output flickers at lowest setting
Observation lights dim at highest setting
Observation lights flicker at lowest setting
Observation lights not dimmable
Observation lights not dimmable
Observation lights stay dim with switch off
Observation lights stay dim with switch off
One observation bulb does not light
Oximetry system failure
Sensor tissue damage from incorrect application or prolonged use
SpO2 reading unusually high or low despite normal clinical appearance
Sys Fail 01 [FF xx xx xx]
Sys Fail 01 [FF xx xx xx]
Sys Fail 01 with flash memory error
Sys Fail 02
Sys Fail 02 power mismatch
Sys Fail 03 memory error
Sys Fail 04 memory redundancy error
Sys Fail 05 ADC configuration error
Sys Fail 08 [xx xx 00 00]
Sys Fail 08 [xx xx 00 00]
Sys Fail 08 with button shorted
Sys Fail 09 [0A XX 00 00]
Sys Fail 09 heater safety relay open
Sys Fail 11 [AA AA AA AA] alarm
Sys Fail 11 [xx 00 00 00] or [FF FF FF FF]
System Fail 11 - Heat Control Processor communication failure
System Failure 01 (Sys Fail 01 [FF xx xx xx])
System Failure 03 (Sys Fail 03)
System Failure 04 (Sys Fail 04)
System Failure 09 (Sys Fail 09 [0A XX 00 00])
System Failure 11 (Sys Fail 11 [AA AA AA AA])
System failure detected in event logs
Temp probe failure alarm
Touch panel button not responding
Touch panel button not working
Touch panel buttons or switches not responding
Touch panel or LCD assembly removal
White display, striped display, or color shift
25% Output Check reading incorrect
25% output test operation
25% output test shows incorrect reading
Access service mode from powered-on device
Alarm limits inappropriate for patient
Alarm message: Temp Probe Failure
Baby Cold - Check Temp Probe
Baby Cold - Check Temp Probe (1.0°C threshold)
Baby Hot - Check Temp Probe
Baby Hot - Check Temp Probe (1.0°C threshold)
Base and rail mounting block replacement (freestanding)
Bed height adjustment on crank handle system
Bed height adjustment on manual pin system
Black background with red, green, or blue tint
Blank screen with alarm and indicator lights on
Blank screen with alarm lights and HP alarm
Blank screen with alarm lights on
Blank screen with alarm lights on and HP alarm
Blank Screen, Alarm Lights On, HP Alarm
Calibration: Date and time not synchronized
Calibration: Heater head alignment
Calibration: Scale
Calibration: Scale calibration required
Calibration: Scale weight
Calibration: Scale weight accuracy
Calibration: Scale weight measurement
Calibration: Scale weight measurement
Callback Timer Complete
Cannot enter service mode
Caster replacement needed
Check Baby - Heat Off (CPAD limit exceeded)
Check Baby - Heat Off (radiant power 100%)
Check Baby (CPAD limit exceeded)
Check Baby (radiant power 100%)
Check SpO2 - defective probe
Check SpO2 - defective probe indicated
Check SpO2 - excessive ambient light
Check SpO2 - interference detected
Control board removal
Control board replacement needed
Damaged equipment from sterilization method
Defective scale
Defective scale
Defective scale (Bedded Models Only)
Defective SpO2 probe
Defibrillation or electrosurgery interference
Device will not boot up
Dim or non-uniform LCD backlight
Disconnected temperature probe
Display arrow present after installing new LCD
Display arrow present after installing new LCD
Display has pixel defects or color errors
Display shows abnormal colors or incomplete test pattern
Display test pattern abnormal
Display test pattern shows dropout or color errors
Distorted audio from speaker
Distorted audio from speaker
Distorted audio speaker
Distorted display: test or random pattern
Dovetail rail suction tubing replacement
Electronic enclosure access restricted or damaged
EU compliance verification required before operation
F7 or F8 fuse failure or loose connection
F7 or F8 fuse replacement needed
Firmware update execution
Fuse F7 or F8 damaged or loose connection
Hands-free alarm silence not responding
Heat engine diagnostic fails or shows abnormal state
Heat engine diagnostic parameters query
Heat engine diagnostics unavailable
Heat engine health check perform
Heat engine output not at specified level
Heat engine output out of range
Heater resistance measurement
High Pulse Rate
High SpO2
High SpO2 reading
HR active and scale missing
HR subsystem failure and scale active
HR subsystem failure and scale missing
Inadequate pulse oximetry as apnea monitor
Incorrect cable connected to sensor port
LCD display color test pattern abnormal
LCD display dim or non-uniform lighting
LCD display distorted with test or random pattern
LCD display distorted with test pattern or random pixels
LCD display shows distorted test or random pattern
LCD display shows white, striped, or color shifted image
LCD display white, striped, or color shift
LCD display white, striped, or color shifted
LCD display white, striped, or color shifted
Lead off detected
Lights stay ON with observation light knob switched off
Lithium-ion battery replacement
Lithium-ion battery replacement needed
Log dump fails or times out
Log dump transfer timeout
Low Perfusion (SpO2 Alert)
Low perfusion detected at probe site
Low pulse rate
Low Signal IQ (SpO2 Alert)
Low Signal IQ alert
Low SpO2
Low SpO2 reading
Maneuvering handle replacement
MRI procedure with pulse oximeter attached
No audible power fail alarm
No audio indication of alarms
No scale icon displayed
No SpO2 Board
No SpO2 option on screen
No SpO2 option on screen
No SpO2 probe connected
Observation light dimmer control failure
Observation light switch or dimmer control replacement
Outlet panel component failure
Outlet panel component replacement
Patient cable entanglement or strangulation hazard
PC command line interface access failure
Potential patient harm from carboxyhemoglobin interference
Potential skin damage or burns from MRI use
Power board removal
Power board replacement needed
Procedure light bulb burned out or dim
Procedure light bulb replacement
Pulse oximeter not functioning after power-on self-test
Readings potentially inaccurate during defibrillation
Red screen with flashing alarm and indicator lights
Red screen with flashing alarm lights
Red screen, alarm lights flashing
Red screen, alarm lights flashing
Scale calibration failed
Scale control board replacement
Scale gives consistently inaccurate weights
Scale gives erratically different weights
Scale load cell replacement
Scale stuck on weight display screen
Sensor or cable damage from water or chemical immersion
SpO2 display shows no signal
SpO2 interference detected
SpO2 lost communications
SpO2 Probe Off Baby
SpO2 probe off patient
SpO2 system fails to calibrate
Standby switch failure
Standby switch replacement
Sys Fail 02
Sys Fail 03
Sys Fail 04
Sys Fail 05
Sys Fail 05
Sys Fail 09 [0A XX 00 00]
Sys Fail 09 [0B 00 00 00]
Sys Fail 09 [0B 00 00 00]
Sys Fail 09 [0E 72 00 00]
Sys Fail 09 [XX 80 XX XX]
Sys Fail 09 [XX 80 XX XX]
Sys Fail 09 heat control processor failure during runtime
Sys Fail 10 [XX XX XX XX]
Sys Fail 11 [FF FF FF FF] alarm
Sys Fail 12 [xx 00 00 00]
Sys Fail 12 [xx 00 00 00] alarm
System Fail 12 - Audio Processor communication failure
System Failure 05 (Sys Fail 05)
System Failure 09 (Sys Fail 09 [0B 00 00 00])
System Failure 09 (Sys Fail 09 [XX 80 XX XX])
System Failure 10 (Sys Fail 10 [XX XX XX XX])
System Failure 11 (Sys Fail 11 [FF FF FF FF])
System Failure 12 (Sys Fail 12 [xx 00 00 00])
System log retrieval and analysis
Temperature ADC channel readings out of range
Temperature ADC readings out of range
Temperature probe failure
Too much ambient light (SpO2)
Touch panel or LCD display malfunction
Touch panel or LCD display removal difficulty
Unit will not boot up
Unit will not boot up
Unrecognized SpO2 probe
Unrecognized SpO2 probe attached
VGA display test pattern defects

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

Error codes

Code	Meaning	Trigger	Severity
`Baby Check SpO2 (Ambient Light)`	Too much ambient light detected by SpO2 board	Masimo or Nellcor board indicates too much ambient light	error
`Baby Cold - Check Temp Probe`	Baby temperature more than 2.0°C below control setpoint	>2.0° from Control Temp (below)	warning
`Baby Cold - Check Temp Probe`	Baby temperature more than 2.0°C below control temperature	<2.0° from Control Temp	warning
`Baby Cold - Check Temp Probe (Manual Mode)`	Baby temperature more than 1.0°C below control temperature in Manual mode	< 1.0°C (<0.5°C) from control temp	warning
`Baby Hot - Check Temp Probe`	Baby temperature more than 2.0°C above control setpoint	>2.0° from Control Temp	warning
`Baby Hot - Check Temp Probe`	Baby temperature more than 2.0°C above control temperature	>2.0° from Control Temp	warning
`Baby Hot - Check Temp Probe (Manual Mode)`	Baby temperature more than 1.0°C above control temperature in Manual mode	> 1.0°C (>0.5°C) from control temp	warning
`Callback Timer Complete`	Callback timer has reached target time	Current callback timer has reached target time	info
`Callback Timer Complete`	Scheduled callback timer has expired	Current callback timer has reached target time	info
`Check Baby`	Radiant heater power above CPAD limit for extended duration	Radiant Heater % above 'Check Baby Alarm Disabled' (CPAD) limit for > 12 min	warning
`Check Baby`	Radiant heater at 100% power for more than 12 minutes	Radiant % power @ 100% for > 12 min	warning
`Check Baby (CPAD Limit)`	Radiant heater above Check Baby Alarm Disabled limit for extended time	Radiant Heater % above CPAD limit for > 12 min	warning
`Check Baby - Heat Off`	Radiant heater at excessive power for extended time	Radiant % power @ 100% for >15 min and alarm not silenced	warning
`Check Baby - Heat Off`	Radiant heater at 100% power for extended time without alarm silencing	Radiant % power @ 100% for >15 min and alarm not silenced	error
`Check Baby - Heat Off (CPAD)`	Radiant heater above Check Baby Alarm Disabled limit for extended time	Radiant heater % above CPAD limit for >15 min and alarm not silenced	error
`Check Baby (Radiant Power)`	Radiant heater at 100% power for extended time in temperature control	Radiant % power @ 100% for > 12 min	warning
`Check SpO2`	Defective SpO2 probe detected	Masimo or Nellcor board indicates defective probe	warning
`Check SpO2`	Defective SpO2 probe, interference, or too much ambient light detected	Masimo or Nellcor board indicates defect, interference, or light issue	warning
`Check SpO2`	SpO2 signal quality is poor or probe is defective	System detects defective probe, electromagnetic interference, or excessive ambient light	error
`Check SpO2`	SpO2 measurement interference detected	Masimo or Nellcor board indicates interference detected	warning
`Check SpO2`	Probe defect detected by Masimo board	Masimo board diagnostic indicates defective probe after 2 minutes	error
`Check SpO2 (Defective Probe)`	SpO2 probe detected as defective by board	Masimo or Nellcor board indicates defective probe	error
`Check SpO2 (Interference)`	Interference detected by SpO2 board	Masimo or Nellcor board indicates interference detected	error
`Confirm Probe Jack Connection`	Disconnected temperature probe	No longer getting a reading from the temperature probe	error
`Confirm Probe Jack Connection`	Temperature probe disconnected or no reading received	No longer getting a reading from the temperature probe	error
`Confirm Probe Jack Connection`	No reading from temperature probe detected	No longer getting a reading from the temperature probe	error
`High Pulse Rate`	Patient pulse rate exceeds alarm limit	Pulse rate exceeds set high alarm threshold (default 200 bpm, user adjustable 111-240 bpm)	warning
`High Pulse Rate`	Pulse rate above threshold	PR >200 (floats with user adjustable limits)	warning
`High SpO2`	SpO2 measurement exceeds upper alarm limit (default >100%)	Measured SpO2 exceeds user-adjustable upper threshold for 2 minutes	warning
`High SpO2`	SpO2 > 100 (floats with user adjustable limits)	SpO2 > 100 (floats with user adjustable limits)	warning
`High SpO2`	Oxygen saturation above threshold	SpO2 >100 (floats with user adjustable limits)	critical
`High SpO2`	Patient blood oxygen saturation exceeds alarm limit	SpO2 percentage exceeds set high alarm threshold (default 100%, user adjustable 86-100%)	info
`Low Perfusion`	Masimo board detects low blood perfusion at measurement site (SpO2 alert)	Masimo board indicates low perfusion	warning
`Low Perfusion`	Low perfusion detected by SpO2 board	Masimo board indicates low perfusion	warning
`Low Pulse Rate`	Pulse rate below threshold	PR < 100 (user adjustable limits)	error
`Low Pulse Rate`	Pulse rate below 100 BPM (user adjustable)	PR < 100 (floats with user adjustable limits)	warning
`Low Pulse Rate`	Patient pulse rate falls below alarm limit	Pulse rate drops below set low alarm threshold (default 100 bpm, user adjustable 25-110 bpm)	warning
`Low Signal IQ`	Masimo board detects poor SpO2 signal quality (SpO2 alert)	Masimo board indicates low signal IQ	warning
`Low Signal IQ`	System confidence in detected arterial pulse signal is very low	System cannot reliably identify arterial pulse due to motion or low perfusion	warning
`Low Signal IQ`	Low signal quality detected by SpO2 board	Masimo board indicates low signal IQ	warning
`Low SpO2`	Patient blood oxygen saturation falls below alarm limit	SpO2 percentage drops below set low alarm threshold (default 85%, user adjustable 20-99%)	critical
`Low SpO2`	SpO2 < 85 (floats with user adjustable limits)	SpO2 < 85 (floats with user adjustable limits)	warning
`Low SpO2`	Oxygen saturation below threshold	SpO2 <85 (user adjustable limits)	error
`Low SpO2`	SpO2 measurement falls below lower alarm limit (default <85%)	Measured SpO2 below user-adjustable lower threshold for 2 minutes	critical
`No SpO2 Board`	Masimo or Nellcor board not detected; only available if SpO2 running	No board connected	error
`No SpO2 Board`	No SpO2 probe or module connected	Masimo or Nellcor board indicates no board connected	warning
`No SpO2 Board`	SpO2 board not detected as connected	Masimo or Nellcor board indicates no board connected	error
`No SpO2 Probe`	Nellcor board indicates no probe connection	Nellcor board indicates no probe connection	error
`No SpO2 Probe`	SpO2 probe is not detected as connected	Probe jack detects no connected probe at startup or during monitoring	warning
`Oximetry System Failure`	Oximetry system has failed, such as failure to calibrate successfully	System failure event during operation or startup	error
`Oximetry System Failure`	SpO2 board lost communication with main processor for 2 seconds or more; SpO2 module automatically turns off	SpO2 board has not communicated with the main processor for at least 2 seconds	critical
`Oximetry System Failure`	SpO2 module has failed or lost communication with warmer system	System startup or during operation when calibration fails or communications lost	critical
`Oximetry System Failure`	SpO2 board has not communicated with the main processor for at least 2 seconds	Loss of communication between SpO2 board and main processor for ≥2 seconds	critical
`Processor update failed exit status`	Firmware update to audio or heat control processor did not complete successfully	Occurs when 'update' command fails after processor re-programming has commenced	critical
`SpO2 lost communications`	SpO2 board has not communicated with the main processor for at least 2 seconds	SpO2 board communication failure	critical
`SpO2 Probe Off`	SpO2 probe indicated as off baby	Probe off baby is indicated from the Masimo or Nellcor board	error
`SpO2 Probe Off Baby`	Probe is not in contact with patient	Probe loses contact with patient skin or is not properly attached	warning
`SpO2 Probe Off Baby`	Probe has been removed from baby	Probe off baby is indicated from the Masimo or Nellcor board	warning
`SpO2 Probe Off Baby`	SpO2 probe detected as displaced from patient	Probe off baby is indicated from the Masimo or Nellcor board	warning
`SpO2 Probe Off Baby`	SpO2 probe no longer in contact with patient	Probe off baby is indicated from the Masimo or Nellcor board	warning
`Sys Fail 01 [FF xx xx xx]`	FLASH Memory File System Error	Flash memory file system corrupted or inaccessible	critical
`Sys Fail 01 [FF xx xx xx]`	FLASH memory file system error	Memory check during power-on detects flash corruption or invalid file system	error
`Sys Fail 02`	Reported power from power PCA does not match commanded power from control PCA	Power feedback mismatch during operation	error
`Sys Fail 02`	Power mismatch between Power PCA and Control PCA	Reported power from Power PCA does not match commanded power from Control PCA	error
`Sys Fail 03`	Memory error occurred	System detected memory error during operation	error
`Sys Fail 03`	Memory error occurred	NVRAM or memory validation check fails during operation	error
`Sys Fail 04`	Redundant stored variables do not match	Memory redundancy check detects mismatch in stored data	error
`Sys Fail 04`	Redundant stored variables do not match (Memory Redundancy Error)	System detected mismatch in redundant memory variables	error
`Sys Fail 05`	ADC Configuration Error or ADC Failure; Reference channel outside range (1597-1775)	ADC reference channel reading outside specified range 1597-1775	error
`Sys Fail 05`	ADC configuration error or ADC failure; reference channel outside of range (1597-1775)	ADC reference check at power-on detects out-of-range value	error
`Sys Fail 06 [0B XX 00 00]`	Over temperature thermostat is open	T-Stat contact does not close when heated or temperature exceeds safe limits	critical
`Sys Fail 06 [0B XX 00 00]`	System Failure 06 with specified auxiliary code	Processor communication or hardware fault detected	error
`Sys Fail 06 [0B XX 00 00]`	Overtemp T-Stat is open	Overtemperature thermostat detected open circuit during operation	critical
`Sys Fail 08 [xx xx 00 00]`	Touch panel button shorted or single button pressed during power on	Shorted button detected on touch panel during startup or operation	error
`Sys Fail 08 [xx xx 00 00]`	Touch panel button shorted	Continuous button input detected during operation	warning
`Sys Fail 08 [xx xx 00 00]`	System Failure 08 with variable auxiliary codes	Sensor or board communication error	error
`Sys Fail 09 [0A XX 00 00]`	System Failure 09 with first auxiliary byte 0x0A	Specific processor or peripheral fault	error
`Sys Fail 09 [0A XX 00 00]`	Heat control processor failure during run time; Heater Safety Relay is open	Safety relay in heater control circuit detected open	critical
`Sys Fail 09 [0B 00 00 00]`	Heat control processor failure during run time; Open T-Stat	Thermostat detected open circuit during heat control operation	critical
`Sys Fail 09 [0B 00 00 00]`	Heat control processor failure during runtime; open T-Stat	Over-temperature thermostat remains open during heat operation	critical
`Sys Fail 09 [0B 00 00 00]`	System Failure 09 with first auxiliary byte 0x0B	Heat control processor communication failure	error
`Sys Fail 09 [0E 72 00 00]`	Heat control processor failure during startup; disconnected heater cable	Heater cable not connected or loose at power-on	critical
`Sys Fail 09 [XX 80 XX XX]`	System Failure 09 with first auxiliary byte 0x80	Power or alarm board fault	error
`Sys Fail 09 [XX 80 XX XX]`	Heat control processor failure during run time; Heater Control Failure	Heat control processor detected failure during normal operation	critical
`Sys Fail 09 [XX 80 XX XX] / [XX 10 XX XX] / [XX 50 XX XX] /`	Heat control processor failure during runtime; heater control failure	Heat control processor communication or operation failure during heating cycle	critical
`Sys Fail 10 [XX XX XX XX]`	Self-calibration failure occurred	Self-calibration routine fails during power-up or initialization	error
`Sys Fail 10 [XX XX XX XX]`	System Failure 10 with variable auxiliary codes	Multiple processor or board faults	error
`Sys Fail 10 [XX XX XX XX]`	Self-calibration failure occurred	Unit failed to complete self-calibration during startup or diagnostics	error
`Sys Fail 11 [AA AA AA AA]`	Heat Control Processor stopped communicating due to POST (Power-On Self Test) failure	Power PCA POST failed during power-on sequence	critical
`Sys Fail 11 [AA AA AA AA]`	System Failure 11 with alternating pattern auxiliary code	Heat control processor communication with specific fault pattern	critical
`Sys Fail 11 [AA AA AA AA]`	No communication of heat control processor with main processor since power-on	Heat control processor not responding since device powered on	error
`Sys Fail 11 [AA AA AA AA]`	Heat Control Processor communication failure due to POST failure	Power-on self-test failure	error
`Sys Fail 11 [FF FF FF FF]`	Heat control processor not responding; communication completely lost	Heat control processor power loss or complete failure	critical
`Sys Fail 11 [FF FF FF FF]`	Communication message failed	Inter-processor communication error	error
`Sys Fail 11 [FF FF FF FF]`	Heat Control Processor communication message failed	Communication message error between processors detected	error
`Sys Fail 11 [xx 00 00 00]`	Heat control processor lost communication with main application processor	Heat control processor stopped responding or communication link failed	critical
`Sys Fail 11 [xx 00 00 00] -or- [FF FF FF FF]`	Heat control processor stopped communicating with main processor; communication loss	Communication timeout between heat control and main processor during operation	error
`Sys Fail 11 [xx 00 00 00] or [FF FF FF FF]`	Heat Control Processor stopped communicating with Main Application Processor (xx = seconds since last communication)	Communication loss between heat control and main processor during operation	critical
`Sys Fail 12 [xx 00 00 00]`	Audio Processor stopped communicating with Main Application Processor (xx = seconds since last communication)	Communication loss between audio processor and main processor	warning
`Sys Fail 12 [xx 00 00 00]`	Audio Processor stopped communicating with Main Application Processor	Audio processor communication timeout	error
`Sys Fail 12 [xx 00 00 00]`	System Failure 12 with specified auxiliary code	Power or control board processor fault	error
`Temp. Probe Failure`	Two thermistors in probe differ by 0.5°C or more	Two Thermistors in a probe differ by 0.5° C or more	error
`Temp. Probe Failure`	Two thermistors in probe differ by 0.5°C or more	Two Thermistors in a probed differ by 0.5° C or more	error
`Unrecognized SpO2 Probe`	Nellcor board indicates unrecognized probe	Nellcor board indicates unrecognized probe	error
`Unrecognized SpO2 Probe`	Probe model not recognized by Masimo board	Masimo board fails to identify probe model after 2 minutes; audio progresses 2 to 1 after 10 secs	error
`Unrecognized SpO2 Probe`	Unrecognized SpO2 probe type connected	Unrecognized probe indicated from Masimo or Nellcor board	warning
`Unrecognized SpO2 Probe`	Attached probe is not compatible with this warmer system	System detects probe with incompatible connector or incorrect model	error
`Unrecognized SpO2 Probe`	SpO2 probe not recognized by board	Unrecognized probe indicated from Masimo or Nellcor board	error
`xmodem error: -69`	Xmodem file transfer protocol error during log dump	Occurs when log dump command times out or communication is interrupted during xmodem transfer	error
`xmodem error: -69`	Log dump xmodem transfer failed	During logs dump file transfer via xmodem	error

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

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.