Troubleshooting, Error indications and interpretation – Welch Allyn Vital Signs Monitor - User Manual User Manual
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Vital Signs Monitor
Troubleshooting
Error Indications and Interpretation
The following table of alarm conditions and error codes is intended to provide the operator with a
quick reference to the descriptions and probable causes of the error codes. For service level trou-
bleshooting, refer to the service manual.
When responding to a Monitor alarm, always check the PATIENT FIRST and then proceed to check
the Monitor.
Press CANCEL to reset patient alarm conditions.
ERROR CODE
MEASUREMENT MODE
DESCRIPTION
CORRECTIVE ACTION
C01
Blood Pressure
Measurement cycle was
cancelled by operator
-------
C02
Blood Pressure
Autozero Failure
Check for air obstruction
limit patient movement
C03
Blood Pressure
Inflation too rapid
Check for kinked hose or
air obstruction
C04
Blood Pressure
Excessive inflation time
Check for air leaks
C05
Blood Pressure
Excessive noise
Check patient condition,
cuff placement, limit
patient movement
C06
Blood Pressure
Measurement was out-
side of Monitor's measure-
ment range
Check patient condition
E10
Blood Pressure
Cuff overpressure condi-
tion
Check patient condition
C20
Temperature
Broken/missing probe
Replace probe
C21
Temperature
Probe not ready
Replace probe in holder,
wait 15 seconds, retry
E0.0 thru E9.9
Temperature
Internal malfunction
Contact customer service
“P”
Temperature
Loss of tissue contact
Ensure proper probe posi-
tioning
“--”
SpO
2
Sensor Error
Check patient condition,
sensor position and con-
nection
E7
SpO
2
Internal Malfunction
Contact customer service
C8
SpO
2
Bad sensor
Replace sensor
E11
General
Internal safety violation
Adjust temperature or
monitor location