Troubleshooting
Efficia CM Series Repair Guide 3-9
Troubleshooting Tables
Temperature Measurement Problems
The NBP initial pressure too
high.
The initial inflation pressure
setting is incorrect.
Specify the correct initial
inflation pressure. See the
Efficia CM Series Patient
Monitors Installation and
Configuration Guide.
Symptom Possible Cause Action
Symptom Possible Cause Action
Temperature measurements
are not displayed.
The probe is disconnected
from the monitor.
Ensure that the temperature
probe is connected and seated
in the probe well.
The probe is misplaced. Ensure that the probe is
properly placed in the
measurement site.
The temperature is over range. Ensure that the temperature
measurements are in the range
of 15°
– 45°C (59°F – 113°F). See
“Temperature Test” on
page 2-26.
The probe malfunctioned. Replace the probe. See the
Efficia CM Series Patient
Monitors Instructions for Use.
Front end malfunction. Replace the front end board.
See “Removing the Front End
Assembly” on page 4-20.
The main board malfunctioned. Replace the main board. See
“Replacing the Main Board” on
page 4-27.
Temperature measurements
are unreliable.
The probe malfunctioned. Replace the temperature
probe. See the Efficia CM
Series Patient Monitors
Instructions for Use.
The module is not calibrated. Replace the main board. See
“Replacing the Main Board” on
page 4-27.
The front end malfunctioned. Replace the front end board.
See “Removing the Front End
Assembly” on page 4-20.
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