Welch Allyn Connex - NIBP Troubles; Spo2 Troubles

Symptom Possible cause Suggested action
set Minimum alarm volume to
the desired level.
There is a faulty connection Check the speaker harness and
connections at the speaker and
J12 on the main board. Replace
the defective cable if needed.
The speaker is defective Replace the speaker.
The main board is defective Test speaker output using an
oscilloscope on J12.
NIBP
Symptom Possible cause Suggested action
The NIBP frame on the display is
blank
The USB cable is defective Replace the USB cable.
The NIBP module is not connected Check the internal USB
connection.
The NIBP module is not functional Check the error logs for NIBP
errors. See the service tool help
files for details on specific errors
and suggested actions.
Check with Welch Allyn for
software updates.
If no NIBP error is logged, the main board might
be defective
Replace the main board if
necessary.
SpO2
Symptom Possible cause Suggested action
The SpO2 frame on the display is
blank
The USB cable is defective Replace the USB cable.
The SpO2 module is not connected Check the internal USB
connection.
The SpO2 module is not functional Check the error logs for SpO2
errors. See the service tool help
files for details on specific errors
and suggested actions.
Check with Welch Allyn for
software updates.
If no SpO2 error is logged, the main board might
be defective
Replace the main board if
necessary.
Service manual Troubleshooting 37