Patient monitors · Connex family

Welch Allyn Connex Spot Monitor: troubleshooting and error codes

The ServiceForge knowledge base holds 104 documented symptoms for the Welch Allyn Connex Spot Monitor, with 180 ranked causes, 76 diagnostic checks with test points and expected values, and 310 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Blood pressure readings inaccurate patient safety

NIBP measurements do not match expected values or clinical norms; inconsistent results across multiple measurements

Ranked causes

1. Incorrect cuff size, improper placement, or incompatible cuff (common)
2. Patient arm not at heart level or movement during measurement (common)
3. Cuff placed over clothing (common)
4. Patient has cardiac arrhythmia (occasional)
5. Leak in pneumatic system (occasional)
6. NIBP module requires calibration (occasional)
7. NIBP module malfunction (occasional)
8. Single or dual lumen switch failure (rare)

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

Temperature measurements are not displayed patient safety

Temperature readings do not appear on monitor display

Ranked causes

1. The probe is disconnected from the monitor (common)
2. Probe is placed improperly (common)
3. The probe malfunctioned (common)
4. The temperature module malfunctioned (occasional)
5. A software issue occurred (occasional)
6. The probe or the window is dirty or contaminated (occasional)
7. The main board malfunctioned (rare)

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

Device does not power up

Device fails to turn on when power switch is activated

Ranked causes

1. New battery installed (occasional)
2. Battery discharged (common)
3. Power switch defective (occasional)
4. Power supply defective (occasional)
5. Battery dead or defective (occasional)
6. Main board defective (rare)

First check

If new battery installed, apply AC power

Test point: AC power connector
Expected: Device powers on with AC power

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

Monitor cannot connect with Bluetooth device

Monitor fails to establish Bluetooth connection with external device

Ranked causes

1. Pairing issue occurred (common)
2. Bluetooth device driver not installed properly (occasional)
3. PC Service for device has not started (occasional)
4. Connectivity issue occurred (occasional)
5. Hardware component has failed (rare)
6. Software has failed (rare)

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

Temperature measurements are inaccurate patient safety

Temperature readings do not match expected values or are unreliable

Ranked causes

1. Probe is placed improperly (common)
2. The probe malfunctioned (common)
3. The probe cover is faulty or incorrectly attached (occasional)
4. The probe or the window is dirty or contaminated (occasional)
5. The temperature module malfunctioned (rare)
6. The main board malfunctioned (rare)

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

Calibration: Complete functional verification and calibration

Use Gold edition service tool to verify device meets specifications and perform calibration after damage, repair, case opening, or malfunction

Ranked causes

1. Device does not meet specifications (common)
2. Device dropped or damaged (occasional)
3. Device is malfunctioning (common)
4. Case has been opened (occasional)
5. Internal part has been replaced (occasional)

First check

Verify device meets specifications using basic functional verification

Test point: device under test
Expected: Device meets all specifications

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

Complete functional verification required patient safety

Full device calibration and verification needed when specific conditions trigger comprehensive service

Ranked causes

1. Basic functional verification shows device does not meet specifications (occasional)
2. Device has been dropped or damaged (occasional)
3. Device is malfunctioning (occasional)
4. Case has been opened (occasional)
5. Internal part has been replaced (battery excluded) (occasional)

First check

Determine if basic functional verification met specifications

Test point: Device
Expected: Meets design specifications

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

NIBP cuff does not inflate patient safety

Blood pressure cuff fails to pressurize when measurement cycle initiated; NIBP function unavailable or degraded

Ranked causes

1. Leak in pneumatic system (common)
2. NIBP module malfunction (occasional)
3. Main board malfunction (occasional)
4. Single or dual lumen switch failure (rare)
5. NIBP module requires calibration (occasional)

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

Attempt to upgrade the software failed

Software update process did not complete successfully

Ranked causes

1. The hardware or software between the Host and the Ethernet module is incompatible (occasional)
2. The monitor lost communication with the network or a timing issue occurred during the upgrade (occasional)
3. The temperature module malfunctioned (rare)
4. The main board malfunctioned (rare)

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

Bluetooth device did not connect with monitor

Bluetooth connection cannot be established after pairing attempt

Ranked causes

1. Bluetooth connection dropped due to distance or application crash (unknown)
2. RF connection not possible (unknown)
3. RF connection possible but cannot find device (unknown)
4. Bluetooth connection established but WACP connection not possible (unknown)

Power-on self test failure patient safety

Error message and error code appear in system status area during power-up; system enters safe mode and stops monitoring functions.

Ranked causes

1. CVC-PIC test failure (unknown)
2. LED power test failure (unknown)
3. eMMC memory test failure (unknown)
4. EEPROM test failure (unknown)

First check

Verify buzzer generates sound on power-up

Test point: Buzzer output
Expected: Sound audible

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

Software upgrade failed

Attempt to upgrade monitor software was unsuccessful

Ranked causes

1. Hardware or software incompatibility between Host and SpO2 module (occasional)
2. Network communication loss or timing issue during upgrade (occasional)
3. Temperature module malfunctioned (rare)
4. Main board malfunctioned (rare)

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

SpO2 measurements inaccurate patient safety

SpO2 readings are displayed but values are incorrect or unreliable

Ranked causes

1. Sensor faulty or incorrectly attached (common)
2. Sensor contaminated or dirty (occasional)
3. SpO2 module malfunctioned (occasional)
4. Main board malfunctioned (rare)

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

SpO2 measurements not displayed patient safety

SpO2 values do not appear on the monitor display

Ranked causes

1. Sensor faulty or incorrectly attached (common)
2. Sensor contaminated or dirty (occasional)
3. SpO2 module malfunctioned (occasional)
4. Main board malfunctioned (rare)

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

Temperature module not functional

Temperature measurement fails with error codes 3FFF01-3FFF04 indicating sensor communication or processing failure

Ranked causes

1. Unrecognized WACP parameter from sensor (unknown)
2. Timeout waiting for sensor response (unknown)
3. Error deserializing WACP message from sensor (unknown)
4. WACP stack send message failure (unknown)

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

Calibration: Battery operating time

Battery performance depends on display brightness, sleep mode, and automatic power-down settings

Ranked causes

1. Suboptimal display brightness setting (common)
2. Sleep mode not configured (common)
3. Automatic power-down disabled or misconfigured (common)

First check

Verify display brightness setting

Test point: Display brightness control
Expected: 5

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

Calibration: Battery performance optimization

Extend battery operating time through recommended display, sleep mode, and power-down settings

Ranked causes

1. Suboptimal display brightness setting (common)
2. Sleep mode not configured for energy efficiency (common)
3. Automatic power-down interval too long (common)

First check

Verify display brightness setting

Test point: Display brightness menu
Expected: 5

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

Device does not signal alarm conditions for Nurse Call patient safety

Alarm notifications not transmitted to Nurse Call system despite alert conditions

Ranked causes

1. Alarm limit settings too high or too low (common)
2. Audio alarms silenced (common)
3. Hardware component failure (occasional)

First check

Verify alarm limit settings

Test point: Device alarm settings menu
Expected: Alarm limits set appropriately for monitored parameters

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

Monitor cannot connect to network

System unable to establish network connectivity; Ethernet port unresponsive or unreachable

Ranked causes

1. Network connectivity issue (common)
2. Hardware failure in network interface (occasional)
3. Software failure in network stack (occasional)

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

Monitor cannot connect with wireless network

Device fails to establish wireless network connection

Ranked causes

1. Connectivity issue (common)
2. Hardware component failure (occasional)
3. Software failure (rare)

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

Touchscreen unresponsive

Touchscreen does not respond to touch inputs or responds inconsistently

Ranked causes

1. Touchscreen needs calibration (common)
2. LCD/touchscreen hardware failure (occasional)
3. Main board defective (rare)

First check

Run Host Calibration Sequence

Test point: Service Tool on connected PC
Expected: Calibration completes successfully and touchscreen responds to touch

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

All tests for device not run with Service Tool

Device fails to complete diagnostic test suite when connected to Welch Allyn Service Tool

Ranked causes

1. Device not connected to power supply (common)
2. Initialization not completed (common)

First check

Verify power connection

Test point: electrical outlet and power supply connector
Expected: Device plugged into outlet and power supply connected to device

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

Device powered on but display is blank

Device powers on normally but screen shows no image or content

Ranked causes

1. Device in Sleep mode (common)
2. Hardware component failure (occasional)

First check

Attempt to wake device

Test point: Touchscreen surface
Expected: Display activates and shows normal boot or operating screen

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

Thermometer not functioning or charging

Thermometer does not operate, charge, or communicate with monitor

Ranked causes

1. The thermometer contacts are dirty (common)
2. The thermometer batteries are dead (common)

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

Advanced settings unavailable

Advanced settings cannot be accessed because monitor is not in idle state

Ranked causes

1. Monitor not in idle state (unknown)

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

Ambient temperature out of range - high

Temperature measurement above maximum allowable ambient or patient temperature threshold

Ranked causes

1. Ambient temperature above 104 °F or 40 °C (occasional)

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

Ambient temperature out of range - low

Temperature measurement below minimum allowable ambient or patient temperature threshold

Ranked causes

1. Ambient temperature below 50 °F or 10 °C (occasional)

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

APM battery absent or faulty (error 1C100F)

APM battery is not installed or not communicating

Ranked causes

1. APM battery missing or not installed (common)

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

APM battery not communicating (error 1C100B)

APM battery is installed but does not communicate with the monitor

Ranked causes

1. APM battery not properly initialized or connected to mains (unknown)

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

APM battery not recharging (error 1C100B)

APM battery is not recharging

Ranked causes

1. APM battery charging circuit failure (unknown)

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

APM is disconnected (error 1C1002)

APM is unplugged from monitor while powered on

Ranked causes

1. APM unplugged from monitor during operation (unknown)

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

APM not functional (error 1C1001)

APM is detected as connected but no communication through APM serial port

Ranked causes

1. No communication through APM serial port (unknown)

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

APM not functional (error 1C1010)

APM USB hub plugged in while monitor communication cable is disconnected

Ranked causes

1. APM USB hub plugged in without communication cable (unknown)

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

APM PIC cannot communicate with accelerometer (error 1C1004)

APM PIC fails to communicate with the accelerometer

Ranked causes

1. APM PIC communication failure with accelerometer (unknown)

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

APM plugged in during operation

APM was plugged in while the monitor is powered on

Ranked causes

1. APM plugged in with monitor powered on (unknown)

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

APM software update failed (error 1C1009)

APM PIC software update and retries have failed

Ranked causes

1. APM PIC software update failure (unknown)

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

APM USB changes after startup

APM USB changes from unplugged to plugged after monitor startup

Ranked causes

1. APM USB connection unstable after startup (unknown)

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

Audio system not functional patient safety

Speaker or audio codec is faulty; no audio output

Ranked causes

1. Speaker or audio codec failure (occasional)

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

Battery critically low; device shutting down patient safety

Battery is critically depleted; monitor shutting down

Ranked causes

1. Battery power critically depleted (common)

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

Battery replacement caution

Battery service after specified charge cycles to maintain device operation

Ranked causes

1. Battery reached 300 charge cycles (common)

First check

Count battery charge cycles or assess battery performance degradation

Test point: Battery
Expected: Less than 300 charge cycles

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

Bluetooth device disconnected

Bluetooth device disconnects from monitor

Ranked causes

1. Bluetooth device disconnected (unknown)

Bluetooth device failed to pair with monitor

Device cannot establish pairing connection with the monitor via Bluetooth

Ranked causes

1. Bluetooth stack on PC does not support simple secure pairing (unknown)

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

Calibration: Battery performance

Verify battery operating time under recommended settings and conditions

Ranked causes

1. Battery operating time affected by display and power settings (common)

First check

Display brightness setting

Test point: Device display settings
Expected: 5

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

Calibration: Battery performance and operating time optimization

Extend battery operating time by configuring display brightness, sleep mode, and automatic power-down settings

Ranked causes

1. Suboptimal battery settings affecting operating time (common)

First check

Verify display brightness setting

Test point: Display brightness setting
Expected: 5

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

Calibration: Braun ThermoScan PRO 4000 patient safety

Annual functional verification to confirm device meets design specifications

Ranked causes

1. Routine maintenance per service interval (common)

First check

Verify Braun ThermoScan PRO 4000 functions within design specifications

Test point: Braun ThermoScan PRO 4000
Expected: Meets design specifications

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

Calibration: First Boot Settings configuration

After repair and calibration, device can be placed into First Boot states using Service Tool Configuration screen

Ranked causes

1. Device repair and calibration complete (common)

First check

Verify repair completion and calibration

Test point: Device status
Expected: All repairs completed and device calibrated

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

Calibration: NIBP board initialization

New PCA boards must be initialized for first use after installation

Ranked causes

1. New PCA board installed (common)

First check

Attach pump assembly to main PCA board

Test point: Pump manifold on main PCA board transducer
Expected: Pump manifold fully seated on transducer

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

Calibration: NIBP module patient safety

Annual functional verification to confirm device meets design specifications

Ranked causes

1. Routine maintenance per service interval (common)

First check

Verify NIBP module functions within design specifications

Test point: NIBP module
Expected: Meets design specifications

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

Calibration: SpO2 module patient safety

Annual functional verification to confirm device meets design specifications

Ranked causes

1. Routine maintenance per service interval (common)

First check

Verify SpO2 module functions within design specifications

Test point: SpO2 module
Expected: Meets design specifications

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

Calibration: SureTemp Plus patient safety

Annual functional verification to confirm device meets design specifications

Ranked causes

1. Routine maintenance per service interval (common)

First check

Verify SureTemp Plus functions within design specifications

Test point: SureTemp Plus
Expected: Meets design specifications

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

Client certificate expires within 30 days

Certificate approaching expiration date

Ranked causes

1. Certificate close to expiration (unknown)

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

Client certificate load failed

Certificate dates misaligned or outside valid date range

Ranked causes

1. Certificate dates misaligned (unknown)

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

Client certificate not loaded

Client authentication enabled but no certificate loaded in system

Ranked causes

1. Client authentication enabled without certificate (unknown)

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

CSM battery not installed patient safety

No battery installed in the monitor

Ranked causes

1. Missing battery (common)

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

Device operating in battery mode

AC power cord has been disconnected

Ranked causes

1. AC power cord disconnected (unknown)

Device shutdown not available caution

Monitor cannot perform immediate shutdown; AC power and battery must be disconnected

Ranked causes

1. System shutdown failure (rare)

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

Display lock unavailable without patient context

Lockout is not allowed without active patient information

Ranked causes

1. Missing patient information (unknown)

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

EEPROM access failed

Internal hardware failure; device boots but wired communications disabled

Ranked causes

1. EEPROM access failure (rare)

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

Factory default settings now active

Monitor configured to factory defaults; user settings reset

Ranked causes

1. Factory reset applied (unknown)

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

Host battery not charging patient safety

Monitor battery not charging when connected to power

Ranked causes

1. Battery charging circuit failure (occasional)

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

More symptoms

Input voltage too low; device shutting down
LCD touchscreen integration verification
LCD touchscreen replacement
Low battery 30 minutes or less remaining
Low battery 5 minutes or less remaining
Low RRp confidence
Low SpO2 perfusion index
Monitor PIC communications failure
NIBP primary transducer failure risk
NIBP safety transducer calibration error risk
No valid files on USB flash drive
Power cable disconnected (error 1C1011)
Power supply issue; PMIC too hot
Pressure Calibration Test setup and adjustment
Probe well missing
Replace temperature probe
Root file system corrupted
Searching for pulse signal
Sensor not connected
Service tool functional verification and calibration
Sleep mode unavailable during intervals
Sleep mode unavailable with active alarm
Software update failed
SPL memory test failure
SpO2 defective sensor (044100)
SpO2 interference detected
SpO2 low PR confidence
SpO2 low signal quality
SpO2 module hardware error (043d00)
SpO2 module hardware error (043e00)
SpO2 module received bad message (044000)
SpO2 module software error (043f00)
SpO2 rebooting
SpO2 rebooting with low PR confidence
SpO2 sensor not connected
System failure (codes 000001-000006)
Temperature A/D measurement timeout
Temperature probe not detected
The thermometer is not in the cradle
Thermometer anti-theft timer expired
Tube type does not match device configuration
Unable to read configuration from USB
Unexpected restart occurred
USB cable disconnected (error 1C1003)

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

Error codes

Code	Meaning	Trigger	Severity
`000001`	System failure	Unspecified system fault detected	error
`000002`	System failure	Unspecified system fault detected	error
`000003`	System failure	Unspecified system fault detected	error
`000004`	System failure	Unspecified system fault detected	error
`000005`	System failure	Unspecified system fault detected	error
`000006`	System failure	Unspecified system fault detected	error
`030105`	Temperature not functional - CRC mismatch	CRC checksum mismatch on temperature module communication	error
`030201`	Temperature not functional - unimplemented message	Temperature module received unimplemented message type	error
`030202`	Temperature not functional - unsupported message	Temperature module received unsupported message type	error
`030203`	Temperature not functional - out of memory	Temperature module memory exhausted	error
`030205`	Temperature not functional - invalid parameter	Temperature module received invalid parameter	error
`030206`	Temperature not functional - parameter out of range	Parameter provided by temperature module outside allowable range	error
`030207`	Temperature not functional - missing object	Message requires object but object not contained in message	error
`030208`	Temperature not functional - deserialization failed	Temperature module object could not be deserialized	error
`030209`	Temperature not functional - serialization failed	Temperature module object could not be serialized	error
`03020A`	Temperature not functional - invalid state request	Module attempted request/action prohibited by current module state	error
`03020B`	Temperature not functional - item unavailable	Requested item not available due to current module state	error
`030503`	Temperature not functional - corrupted factory settings	Factory settings and calibration information corrupted	error
`030504`	Temperature not functional - corrupted user settings	User settings in module memory are corrupted	error
`030509`	Temperature not functional - calibration not set	Temperature module calibration has not been performed	error
`03050C`	Temperature not functional - error log corrupted	Error log data structure in module memory corrupted	error
`030516`	Temperature not functional - hardware malfunction	Hardware malfunction detected on temperature module	error
`030518`	Temperature not functional - power rail too low	Temperature module power rail voltage below minimum threshold	error
`030519`	Temperature not functional - power rail too high	Temperature module power rail voltage above maximum threshold	error
`03051A`	Temperature not functional - reference voltage unstable	Reference voltage circuit under voltage or unstable	error
`030801`	Ambient temperature out of range - low	Ambient temperature measurement below 50 °F or 10 °C	warning
`030802`	Ambient temperature out of range - high	Ambient temperature measurement above 104 °F or 40 °C	warning
`030803`	Temperature not functional - calibration resistor damaged (long pulse)	Internal calibration resistor RCAL pulse too long	error
`030804`	Temperature not functional - calibration resistor damaged (short pulse)	Internal calibration resistor RCAL pulse too short	error
`030805`	Temperature not functional - validation resistor over	Internal validation resistor PTB value over specification	error
`030806`	Temperature not functional - validation resistor under	Internal validation resistor PTB value under specification	error
`030807`	Ambient temperature out of range - A/D timeout	Analog-to-digital measurement timed out	warning
`030808`	Replace temperature probe - not calibrated	Temperature probe was not characterized or calibrated	warning
`030809`	Insert probe well - missing probe well	Temperature module probe well not inserted	warning
`03080A`	Temperature not functional - EEPROM save failed	Problem saving to monitor EEPROM in biotech mode	error
`03080B`	Temperature not functional - error detection mechanism triggered	Module error detection mechanism detected error	error
`03080C`	Replace temperature probe - probe error detected	Probe error detection mechanism triggered	warning
`03080D`	Temperature not functional - log error detected	Log error detection mechanism detected error	warning
`03080E`	Temperature not functional - calibration error detected	Calibration error detection mechanism triggered	warning
`03080F`	Connect temperature probe - no probe detected	Temperature module detected no probe connected	warning
`030810`	Replace temperature probe - EEPROM unreadable	Cannot read probe EEPROM or probe untested from factory	warning
`030811`	Temperature not functional - invalid events index	Temperature module has invalid events index	error
`030812`	Temperature not functional - EEPROM read/write error	Problem reading temperature module EEPROM or saving to monitor	error
`030813`	Replace temperature probe - probe EEPROM error	Problem reading the probe EEPROM	warning
`030814`	Temperature not functional - config acquire failure	Temperature module config acquire failure	error
`030815`	Temperature not functional - config release failure	Temperature module config release failure	error
`030816`	Temperature not functional - invalid pointer	Temperature module config invalid pointer failure	error
`030817`	Temperature not functional - EEPROM not initialized	Temperature module EEPROM not initialized	error
`030818`	Unable to detect new temperature. Retry measurement.	Temperature module heater indicates on when turned off	warning
`030819`	Unable to detect new temperature. Retry measurement.	Temperature module heater indicates off when turned on	warning
`03081A`	Temperature not functional	Temperature module HTR_Q is on and HTRC is off but still has voltage	warning
`03081B`	Temperature not functional	Temperature module HTR_Q is tri-stated with HTRC enabled and has heater power	warning
`03081C`	Temperature not functional	Temperature module turned Q&C on and the heater voltage is not high enough	warning
`03081D`	Temperature not functional	Temperature module heater hardware failsafe should have turned off but did not	warning
`03081E`	Replace temperature probe	Temperature module probe is above 112°F or 43.3°C	warning
`03081F`	Replace temperature probe	Temperature module has excessive heater energy	warning
`030820`	Temperature not functional	Temperature module host interface error	warning
`030821`	Ambient temperature out of range. Clear to retry.	Temperature module over ambient 45°C temp	warning
`030822`	Ambient temperature out of range. Clear to retry.	Temperature module under ambient temp	warning
`030823`	Temperature not functional	Temperature module has an invalid SureTemp algorithm	warning
`030824`	Temperature not functional	Temperature module is over max battery volts	warning
`030825`	Temperature not functional	Temperature module is under min battery volts	warning
`030826`	Temperature not functional	Temperature module battery volts not set	warning
`030827`	Temperature not functional	Temperature module predict algorithm is not set	warning
`030828`	Temperature not functional	Temperature module ambient temp is not set	warning
`030829`	Temperature not functional	Temperature module has a non-responsive probe. Thermistor pulled away or heater broken.	warning
`03082A`	Temperature not functional	Temperature module is experiencing bad probe gain	warning
`03082B`	Temperature not functional	Temperature module has a bad probe response value	warning
`03C800`	Temperature not functional	Temperature module is not functional	warning
`03C900`	Temperature not functional	Unable to deserialize messages from the temperature module	warning
`03CA00`	Temperature not functional	Unsupported message received from the Temperature module	warning
`03CB00`	Temperature not functional	Unable to send message to the Temperature module	warning
`03CC00`	Temperature not functional	Temperature module communication times out	warning
`03CD00`	Temperature not functional	Failed to upgrade the temperature module	warning
`03CE00`	Temperature not functional	Unable to read PIM file	warning
`03CE01`	Temperature not functional	Upgrade file directory could not be accessed	warning
`03D000`	Temperature module reset	Temperature sensor reset unexpectedly	info
`040100`	Sensor not connected	SpO2 sensor disconnected or connection lost	warning
`040200`	Searching for pulse signal	SpO2 module actively searching for patient pulse	info
`040400`	SpO2 interference detected	Electromagnetic or optical interference detected by sensor	warning
`040500`	Low SpO2 perfusion index	Marginal pulse quality or artifact detected	warning
`040600`	SpO2 cable not connected	SpO2 cable is not connected	warning
`040700`	SpO2 cable life expired	SpO2 cable life has expired	warning
`040800`	SpO2 cable incompatible	SpO2 cable is incompatible with monitor	warning
`040900`	SpO2 cable not recognized	SpO2 cable is not recognized by monitor	warning
`040a00`	SpO2 cable defective	SpO2 cable is defective	warning
`040b00`	SpO2 sensor not connected	SpO2 sensor not connected to monitor	warning
`040c00`	SpO2 sensor expired	SpO2 sensor has expired	warning
`040d00`	SpO2 sensor not recognized	SpO2 sensor not recognized by monitor	warning
`040e00`	SpO2 sensor not recognized	SpO2 sensor is not recognized	warning
`040f00`	SpO2 sensor defective	SpO2 sensor is defective	warning
`041000`	SpO2 sensor and cable fault	Fault with both SpO2 sensor and cable	warning
`041100`	Adhesive SpO2 sensor not connected	Adhesive SpO2 sensor not connected	warning
`041200`	Adhesive SpO2 sensor expired	Adhesive SpO2 sensor has expired	warning
`041300`	Adhesive SpO2 sensor incompatible	Adhesive SpO2 sensor is incompatible	warning
`041400`	Adhesive SpO2 sensor not recognized	Adhesive SpO2 sensor not recognized	warning
`041500`	Adhesive SpO2 sensor defective	Adhesive SpO2 sensor is defective	warning
`041800`	SpO2 pulse search active	SpO2 pulse search normal operation	info
`041900`	SpO2 interference detected	SpO2 module interference detected	info
`041a00`	Low SpO2 perfusion index	Marginal SpO2 pulse quality or artifact	warning
`041b00`	SpO2 demo mode active	SpO2 parameter is in demo mode	info
`041c00`	SpO2 sensor connection issue	Check SpO2 sensor connection	warning
`041e00`	SpO2 raw queue overrun	SpO2 raw queue overrun detected	error
`041f00`	SpO2 hardware failure	SpO2 hardware failure detected	error
`042000`	SpO2 MCU failure	SpO2 MCU failure detected	error
`042100`	SpO2 watchdog failure	SpO2 watchdog timer failure	error
`042200`	SpO2 invalid board type	Invalid SpO2 board type detected	error
`042300`	Invalid SpO2 master control state	Invalid master control state detected	error
`042400`	SpO2 SRAM transfer failure	SRAM transfer failure detected	error
`042500`	SpO2 SRAM task queue overrun	SRAM task queue overrun detected	error
`042600`	SpO2 database failure	Database failure detected	error
`042700`	Invalid SpO2 flash memory device	Invalid flash memory device detected	error
`042800`	SpO2 anode voltage configuration failure	Anode voltage configuration failure detected	error
`042900`	SpO2 analog ground problem	Analog ground voltage out of spec	error
`042a00`	SpO2 digital ground problem	Digital ground voltage out of spec	error
`042b00`	SpO2 LED ground problem	LED ground voltage out of spec	error
`042c00`	SpO2 reference voltage problem	Reference voltage out of spec	error
`042d00`	SpO2 DSP core voltage problem	DSP core voltage out of spec	error
`042e00`	SpO2 filtered input voltage problem	Filtered input voltage out of spec	error
`042f00`	SpO2 DSP I/O voltage problem	DSP I/O voltage out of spec	error
`043000`	SpO2 positive detector voltage problem	Positive detector voltage out of spec	error
`043100`	SpO2 negative detector voltage problem	Negative detector voltage out of spec	error
`043200`	SpO2 positive LED voltage problem	Positive LED voltage out of spec	error
`043300`	SpO2 LED drive voltage problem	LED drive voltage out of spec	error
`043400`	SpO2 positive preamp voltage problem	Positive preamp voltage out of spec	error
`043500`	SpO2 Sensor ID problem	Sensor ID detection failure	error
`043600`	SpO2 thermistor problem	Thermistor circuit failure detected	error
`043700`	SpO2 LED current problem	LED current out of spec	error
`043800`	SpO2 preamp problem	Preamp circuit malfunction detected	error
`043900`	Sensor not connected	SpO2 sensor is not detected as physically connected	warning
`043a00`	Searching for pulse signal	Module is acquiring sensor signal after connection or signal loss	info
`043c00`	SpO2 interference detected	Electromagnetic or optical interference detected by module	warning
`043d00`	SpO2 module hardware error	Module detects internal hardware failure	critical
`043e00`	SpO2 module hardware error	Module detects internal hardware failure	critical
`043f00`	SpO2 module software error	Module detects internal software error during operation	error
`044000`	SpO2 module received bad message	Module receives malformed or corrupt communication message	error
`044100`	SpO2 defective sensor	Module detects sensor as non-functional or defective	warning
`044200`	SpO2 module rebooting	SpO2 module received bad/corrupted message	warning
`044300`	SpO2 module received bad packet	Bad data packet received by SpO2 module	error
`044400`	SpO2 module received invalid command	Invalid command received by module	error
`044500`	SpO2 output exceeds baud rate capacity	Command output exceeds baud rate limit	error
`044600`	SpO2 command requires missing application	Command received for application not present	error
`044700`	SpO2 command received while locked	Command received while module is locked	error
`044900`	SpO2 module not responding	Internal hardware malfunction in SpO2 module	error
`044a00`	SpO2 module rebooting - bad response	SpO2 module is not responding	info
`044b00`	SpO2 module rebooting - no data	SpO2 module stopped sending data	info
`044c00`	SpO2 rebooting - bad CRC	Packet received with bad CRC from module	info
`044d00`	SpO2 module rebooting - POST failed	SpO2 power on self test failed	error
`044e00`	SpO2 module rebooting - POST timeout	SpO2 power on self test timed out	error
`044f00`	SpO2 low saturation signal quality	Sensor signal quality falls below acceptable threshold	warning
`045000`	SpO2 rebooting with low pulse rate confidence	Module reboots while detecting low pulse rate confidence	warning
`045100`	Low pulse rate confidence (PI confidence)	Pulse interval confidence falls below acceptable threshold	warning
`045200`	Low respiratory rate confidence	Respiratory rate parameter confidence falls below threshold	warning
`050002`	NIBP not functional	Internal malfunction in NIBP module	error
`050003`	Unable to determine NIBP; check connections; limit patient movement	NIBP measurement may be inaccurate, patient motion occurred, or settings for patient readings not accurate	error
`050004`	Unable to determine NIBP; check connections; limit patient movement.	Excessive artifact, no blood pressure parameters could be calculated	warning
`050005`	Unable to determine NIBP; check inflation settings	Low inflation on blood pressure measurement attempt	warning
`050006`	Unable to determine NIBP; check connections and tubing for kinks.	NIBP tubing has a kink or transducer calibration failure	error
`050007`	Unable to determine NIBP; check connections; limit patient movement.	Blood pressure measurement dumped too soon	warning
`050008`	Unable to determine NIBP; check connections; limit patient movement.	Not enough steps on the measurement attempt	warning
`050009`	Unable to determine NIBP; check inflation settings.	Invalid patient information for the selected mode	error
`05000A`	Unable to determine NIBP; check connections; limit patient movement.	Re-inflation was too late on the measurement attempt	warning
`05000B`	Unable to determine NIBP; check inflation settings.	Many re-inflate attempts on the measurement attempt	warning
`05000C`	Unable to determine NIBP; check connections and tubing for kinks.	Couldn't bleed pressure below safe venous return pressure	error
`05000D`	NIBP air leak; check cuff and tubing connections.	Leak was detected in BP cycle	warning
`05000F`	Unable to determine NIBP; check connections; limit patient movement.	Safety check failed on the measurement attempt or Auto Zero check failure	error
`050105`	NIBP not functional.	WACP message CRC mismatch on NIBP module	warning
`050201`	NIBP not functional.	This message is not implemented by the NIBP module	warning
`050202`	NIBP not functional.	This message is not supported by the NIBP module	warning
`050203`	NIBP not functional.	The NIBP module has run out of memory	warning
`050205`	NIBP not functional.	The NIBP module has received an invalid parameter	warning
`050206`	NIBP not functional.	The parameter provided by the NIBP module is outside of the allowable range	warning
`050207`	NIBP not functional.	The NIBP module message requires an object, but did not contain one	warning
`050208`	NIBP not functional.	The NIBP module object could not be deserialized	warning
`050209`	NIBP not functional.	The NIBP module object could not be serialized	warning
`05020A`	NIBP not functional.	The NIBP module message is performing a request when module state prohibits it	warning
`050503`	NIBP not calibrated.	Factory EEPROM checksum error on NIBP, units internal configuration corrupted	warning
`050504`	NIBP not functional.	User EEPROM checksum error, configuration data damaged or lost	warning
`050505`	NIBP not functional.	Post failure of A/D convertor	warning
`050509`	NIBP not calibrated.	NIBP module calibration failure, calibration signature is zero	warning
`05050A`	Invalid algorithm. Select correct algorithm and retry.	Invalid NIBP Algorithm, sensor configured illegally	warning
`050513`	NIBP not functional.	Invalid NIBP initiation code	warning
`050514`	Invalid patient mode. Select correct patient mode and retry.	Invalid patient mode on NIBP, sensor configured illegally	warning
`050515`	NIBP not functional.	Invalid module configuration for NIBP	warning
`050516`	NIBP not functional.	NIBP module malfunction	warning
`050517`	Ambient temperature out of range. Clear error and retry.	Ambient temp out of range on NIBP	warning
`050518`	Low battery. Plug into outlet.	The NIBP module power rail is too low	warning
`0505191`	Battery overcharged. Disconnect from outlet.	The NIBP module power rail is too high	warning
`050601`	NIBP not calibrated.	NIBP failed to load safety processors calibration record from EEPROM	warning
`050602`	NIBP not functional.	NIBP safety processor failed ROM checksum	warning
`050603`	NIBP not calibrated.	NIBP safety processor not calibrated, missing calibration signature	warning
`050604`	Cuff pressure limits exceeded.	NIBP system failure, overpressure	error
`050605`	Premature auto cycle skipped.	NIBP auto cycle skipped, SVRP requirement not satisfied	warning
`050606`	Cuff pressure too high. Clear error to retry.	NIBP cuff pressure above SVRP for too long	error
`050607`	NIBP not functional.	NIBP cannot clear the failsafe alerts	warning
`050608`	NIBP not functional.	NIBP safety processor has stopped responding	warning
`050609`	Stat mode requested too soon. Clear to retry.	NIBP excessive stat mode time, readings exceed 15 minutes averaging cycle	warning
`05060A`	Unable to determine NIBP; check connections and tubing for kinks.	NIBP transducers are not matched, pressure difference exceeds 40 mmHg	error
`05060B`	NIBP not calibrated.	Factory EEPROM checksum error on NIBP, internal configuration corrupted	warning
`05060C`	NIBP not functional.	NIBP command not implemented	warning
`05060D`	NIBP not functional.	NIBP wrong data count	warning
`05060E`	NIBP not functional.	NIBP data range error	warning
`05060F`	NIBP not functional.	NIBP no POST error to clear	warning
`050610`	NIBP not functional.	NIBP cannot clear this POST error	warning
`050611`	NIBP not functional.	NIBP command not command type	warning
`050612`	NIBP not functional.	NIBP communication timeout	warning
`050613`	NIBP not functional.	NIBP response header wrong	warning
`050614`	NIBP not functional.	NIBP response checksum wrong	warning
`050615`	NIBP not functional.	Too much NIBP data was received	warning
`050616`	NIBP not functional.	NIBP FPROM erase error	warning
`050617`	NIBP not functional.	NIBP FPROM programming error	warning
`050618`	NIBP not functional.	Invalid NIBP target pressure	warning
`05FF01`	NIBP not functional.	Unrecognized WACP parameter received from sensor	warning
`05FF02`	NIBP not functional.	Timeout waiting for sensor response	warning
`05FF03`	NIBP not functional.	Error deserializing the WACP message received from the sensor	warning
`05FF04`	NIBP not functional.	WACP stack send message failure	warning
`05FF05`	NIBP not functional.	Timeout waiting for asynchronous sensor message	warning
`05FF06`	NIBP not functional.	One or more undetermined numerics when reading status indicates OK	warning
`05FF07`	NIBP not functional.	Unrecognized sensor reading status code	warning
`05FF08`	NIBP not functional.	Sensor power up failure	warning
`05FF09`	NIBP not functional.	WACP rendezvous failure	warning
`05FF0A`	NIBP not functional.	Application firmware retrieval error during POST	warning
`05FF0B`	NIBP not functional.	Upgrade .pim file is corrupt	warning
`05FF0C`	NIBP not functional.	Configured upgrade firmware directory cannot be accessed	warning
`05FF0D`	Device configuration issue.	Configured parameter (NIBP or SpO2) used in Intervals is missing	warning
`05FF0E`	NIBP not functional.	The NIBP sensor unexpectedly reset	warning
`05FF0F`	NIBP not functional.	The NIBP sensor firmware failed to upgrade	warning
`140100`	EEPROM access failed	EEPROM cannot be accessed during boot	error
`1C1000`	Monitor PIC communications failure	PIC interface communication never starts or quits during operation	error
`1C1001`	APM not functional	APM is detected as connected but there is no communication through the APM serial port	error
`1C1002`	The APM is disconnected	The APM is unplugged from the monitor while the monitor is powered on	error
`1C1003`	USB cable is disconnected	The APM USB hub is unplugged from the monitor while the monitor is powered on	error
`1C1004`	APM not functional	The APM PIC cannot communicate with the accelerometer	error
`1C1005`	Low battery 30 minutes or less remaining	Battery charge drops to critical level	warning
`1C1006`	Low battery 5 minutes or less remaining	Battery charge critically low	critical
`1C1007`	Battery critically low; device shutting down	Battery power at critical minimum; shutdown initiated	critical
`1C1008`	Update unsuccessful; reboot and retry	Software update process fails to complete	error
`1C1009`	APM not functional	The APM PIC software update and any retries have failed	error
`1C100A`	Host battery not charging	Battery charge circuit inactive during AC power connection	warning
`1C100B`	APM not functional - battery not communicating	APM battery is installed but does not communicate with the monitor	error
`1C100C`	Input voltage too low; device shutting down	PMIC input voltage falls below minimum threshold	critical
`1C100D`	Internal hardware failure; device shutting down	PMIC overheats beyond safe operating limit	critical
`1C100E`	CSM battery is not installed	No battery detected during startup	warning
`1C100F`	APM battery absent or faulty	The APM battery is not installed	error
`1C1010`	APM not functional	The APM USB hub is plugged in while the monitor communication cable is disconnected	error
`1C1011`	Power cable is disconnected	The APM communication cable is plugged in while the APM USB cable is disconnected	error
`1C1012`	Unexpected restart occurred	Monitor spontaneously restarts without operator action	warning
`1D0100`	Audio system not functional	Speaker or audio codec fails to output sound	warning
`1F0001`	Database unreadable during startup; recreating	Database file corrupted at system startup	warning
`1F0002`	Error accessing PDM database; restarting PDM	Database corruption detected during device operation	warning
`3A0001`	Factory default settings now active	Monitor configuration reset to factory defaults	info
`3A0002`	Unable to read configuration from USB	File load from external USB memory device fails	warning
`3F0105`	Temperature not functional	WACP message CRC mismatch	warning
`3F0201`	Temperature not functional	This message is not implemented by the module	warning
`3F0202`	Temperature not functional	This message is not supported by the module	warning
`3F0203`	Temperature not functional	The module has run out of memory	warning
`3F0204`	Temperature not functional	No parameter provided for the specified message	warning
`3F0205`	Temperature not functional	The parameter provided is invalid for the specified message	warning
`3F0206`	Temperature not functional	The parameter provided is outside of the allowable range	warning
`3F0207`	Temperature not functional	The message requires an object, but did not contain one	warning
`3F0208`	Temperature not functional	The object provided with the message could not be deserialized	warning
`3F0209`	Temperature not functional	The object could not be serialized	warning
`3F020A`	Temperature not functional	The message is performing a request/action when module state prohibits it	warning
`3F020B`	Temperature not functional	The requested item is not currently available due to module state	warning
`3F0503`	Temperature not functional	The factory settings and calibration information is corrupt	warning
`3F0504`	Temperature not functional	The user settings are corrupt	warning
`3F0509`	Temperature not functional	The calibration is not set	warning
`3F050C`	Temperature not functional	The error log is corrupt	warning
`3F0516`	Temperature not functional	A hardware malfunction has been detected	warning
`3F0518`	Temperature not functional	The module power rail is too low	warning
`3F0519`	Temperature not functional	The module power rail is too high	warning
`3F051A`	Temperature not functional	The reference voltage circuit was detected to be under voltage or unstable	warning
`3F0821`	Temperature not functional	The ambient temperature is too high	warning
`3F0822`	Temperature not functional	The ambient temperature is too low	warning
`3F0824`	Temperature not functional	The battery is over the maximum voltage	warning
`3F0833`	Temperature not functional	The sensor not functional	warning
`3F0E04`	Temperature not functional	Low battery	warning
`3FFF01`	Unrecognized WACP parameter from temperature sensor	Temperature module receives invalid sensor parameter	warning
`3FFF02`	Timeout waiting for temperature sensor response	Temperature sensor does not respond within timeout period	warning
`3FFF03`	Error deserializing WACP message from temperature sensor	Temperature module cannot parse sensor message	warning
`3FFF04`	WACP stack send message failure to temperature sensor	Temperature module fails to send message to sensor	warning
`3FFF05`	Re-dock Braun - Anti-theft timer expired	Thermometer not re-docked after measurement within timeout	info
`Bluetooth device connection successful`	The Bluetooth device connected successfully	Bluetooth device successfully established connection	info
`Bluetooth not functional. 370001`	Monitor detected a Bluetooth device that is not functional	Bluetooth device detected but not functioning properly	warning
`Bluetooth not functional. 370002`	Monitor cannot detect a Bluetooth module	Bluetooth module not detected during initialization	warning
`Check cuff inflation settings.`	Cuff inflation target overridden due to max pressure being too low	Cuff inflation target configuration issue	info
`Configuration upload successful.`	Device configuration has successfully uploaded	Completion of configuration upload operation	info
`Database schema out of date; recreating`	Database schema requires update and recreation	Database version mismatch on startup	info
`Factory reset failed.`	Monitor factory reset has failed; custom configuration file not deleted	Attempted factory reset operation	info
`Factory reset successful.`	Monitor was reset to factory settings	Completion of factory reset operation	info
`Radio software upgrade failed. 350600`	The radio software was not upgraded successfully	Radio software upgrade process fails	warning
`Save not successful.`	Device configuration or logs were not saved to the USB device	Attempted to save device configuration or logs to USB device	info
`Save successful.`	Device configuration or logs were saved to the USB device	Successful completion of save operation to USB device	info
`Software Update: Installation failed. Reboot and retry`	Failure to install subsystem during software update	Subsystem installation fails during update process	info
`Software Update: Invalid token file.`	Invalid token file encountered during software update	Software update process attempting to verify token file	info
`Software Update: Manager internal error`	Software update manager internal error	Internal error in software update manager	info
`Software Update: Manifest transfer timed out. Verify connect`	Manifest file transfer timed out or connection lost during download	Software update manifest file download	info
`Software Update: Package file corrupted`	The package file is corrupt and does not have expected SHA256 hash	Software update process detects corrupt package	info
`Software Update: Package file transfer timed out. Verify con`	Package file transfer timed out or connection lost during download	Software update package file download	info
`Software Update: SWUP internal error`	SWUP NIBP is not functional	Internal error in software update SWUP module	info
`Software Update: Unable to find manifest file on server.`	Manifest file was not found on the server	Software update process searching for manifest file on server	info
`Software Update: Unable to find package file`	The package file cannot be found on the server	Software update process cannot locate package file	info
`Software Update: Unable to verify manifest file signature.`	Manifest file signature verification failed	Software update process attempting to verify manifest file signature	info
`Software Update: Update unsuccessful. Incompatible firmware`	Current firmware version is lower than required by token file	Firmware version check fails during update	info
`Software Update: Upgrade unsuccessful. Insufficient disk spa`	The partition is running out of space during upgrade	Insufficient disk space detected during software upgrade	info
`Software upgrade is downloading. Do not shutdown.`	Software installation is in progress; device cannot be powered down	Device attempting to power down while software install is in progress	info
`Tube type does not match device configuration.`	Tube type settings and actual type do not match	Tube type mismatch between settings and actual configuration	info
`Unable to load configuration.`	Device configuration was not successfully uploaded	Attempted to load device configuration	info
`User canceled NIBP reading.`	The NIBP measurement was canceled by user	User action	info
`User canceled NIBP reading`	User canceled NIBP reading	NIBP measurement was canceled by user	info

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