Message Possible cause Suggested action
Check that the gas source is not
running out.
Check exhaust port for obstruction. The exhaust port is blocked Call for service.
Internal flow problem
Calibration overdue. CO2 might not
be accurate.
The due date for calibration has passed Perform CO2 calibration or call
for service.
Factory service overdue. CO2 might
not be accurate.
The due date for factory service has passed Call for service.
Calibration failed. Error message
here.
The calibration failed for the reason named in the
error message
Check the error message and
take corrective action presented.
Calibration completed successfully. An uninterrupted, error-free calibration took
place
Resume using the monitor.
Calibration aborted. You or some other user interrupted the
calibration
Resume or retry calibration.
RRa messages
Message Possible cause Suggested action
Respiratory freshness timeout
expired.
Excessive ambient or environmental noise Reduce the level of noise in the
room.
Poor sensor placement on the patient Remove the sensor from the
patient and reapply.
The patient cable or sensor is defective
Replace the patient cable or
sensor.
Replace RRa probe. The sensor is faulty Replace the sensor.
No sensor is connected Connect the sensor.
The cable is faulty Replace the cable.
RRa patient interference detected. Poor sensor placement on the patient Remove the sensor from the
patient and reapply.
The patient is talking
Ask the patient to limit talking.
The patient is snoring Gently adjust the patient's
position to reduce snoring.
Awaken and ask the patient to
adjust their position to reduce
snoring.
210 Troubleshooting Welch Allyn Connex
®
Devices