Troubleshooting
Efficia CM Series Repair Guide 3-13
Troubleshooting Tables
IBP measurements are
unreliable.
The transducer is not zeroed. Refer to your facility’s protocol
regarding pressure monitoring
setup and transducer
placement.
Perform a zero. See the Efficia
CM Series Patient Monitors
Instructions for Use.
The transducer cannot be
zeroed.
Ensure the correct steps for
performing a zero (especially
the position of the stopcocks)
are followed. See the Efficia
CM Series Patient Monitors
Instructions for Use.
Replace the transducer cable.
Replace the transducer tubing
setup.
Replace the front end board.
See “Removing the Front End
Assembly” on page 4-20.
The module is not calibrated. Replace the front end board.
See “Removing the Front End
Assembly” on page 4-20.
The front end board
malfunctioned.
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.
Symptom Possible Cause Action