User's Manual

22-23
Multigas Troubleshooting Guide
The analyzer displays error messages in the gas waveform zone. Many of these messages also trigger an alarm. If the
prompt line is available, the monitor displays messages there as well.
Clinical Situation Possible Cause Solution
Alarm
Sounds
FILTER DOOR OPEN -
Close filter access
door
■ The gas analyzer filter door is
ajar.
■ Close the door by pressing it
downward.
■ Yes
OCCLUSION -
Check T-adapter,
sample line
■ The sample line is blocked. ■ Check the sample line for
blockage or crimps, and replace
as necessary.
■ Yes
■ The gas analyzer filter is
plugged.
■ Replace the gas analyzer filter
cartridge.
■ Yes
SPAN IN PROGRESS ■ One of the span calibration
procedures is in progress.
■ Wait until span calibration is
completed and message goes
away.
■ No
WARMING UP ■ The unit is self testing or
warming up.
■ Wait until warm up completes
before operating.
■ No
WATER TRAP ABSENT
- Install water trap
■ There is no water trap
installed in the holder.
■ Install a water trap. ■ Yes
WATER TRAP FULL -
Replace or empty
■ The water trap is full. ■ Replace the water trap. ■ Yes
!
• The unit does not analyze sampled gases while the monitor displays any of the above messages.