User's Manual

21-17
O2 SPAN REQUIRED -
Perform a ROOM O2
SPAN
■ O
2
cell requires new span when
initially plugged in.
■ Place the sensor in room air
and away from any source of
oxygen and perform room O
2
span. If problem persists,
return to factory for repairs.
■ No
■ A drift in the O
2
cell output voltage
level was detected.
■ Place the sensor in room air
and away from any source of
oxygen and perform room O
2
span. If problem persists,
return to factory for repairs.
■ No
Problem or
Message
Probable Cause(s) Suggested Response
Alarm
Sounds