Message Possible cause Suggested action
Low SpHb signal quality. Check
sensor.
Low perfusion. Check sensor.
The patient cable or sensor is defective Replace the patient cable or
sensor.
The SpO2 module is faulty Verify module functionality by
replacing the sensor with the
applicable SpO2 tester. If the
message persists after you have
installed the SpO2 tester, replace
the module.
SpO2 mode only. Check sensor or
cable.
The sensor is operating as an SpO2-only sensor
because it failed to calibrate properly
Reattach the cable to the
monitor.
Remove the sensor from the
patient and reapply.
SpO2 sensor expires in...
Note This message appears only
on devices configured with SpHb.
The sensor will expire soon Replace the sensor.
Replace the SpO2 cable. The cable is not functioning properly Replace the cable.
The SpO2 module is faulty Verify module functionality by
replacing the sensor with the
applicable SpO2 tester. If the
message persists after you have
installed the SpO2 tester, replace
the module.
Temperature messages (SureTemp)
Message Possible cause Suggested action
Alarm
Connect temperature probe. No probe is connected Connect a temperature probe and
retry.
The probe is faulty Replace the temperature probe.
The temperature module returned a connect
probe message
Connect a temperature probe and
try again. If a probe is already
connected, replace the probe.
The SureTemp temperature module is faulty Verify module functionality by
replacing the temperature probe
with the CAL-KEY assembly. If
the message persists after you
have installed the CAL-KEY
assembly, replace the module.
Insert correct color-coded probe
well.
The probe well is missing Insert a temperature probe well.
The SureTemp temperature module is faulty Verify that the lever arm on the
back of the probe well housing is
48 Troubleshooting Welch Allyn Connex
®
Integrated Wall System