Diagnostics Messages; Failure Messages - ABB Endura AZ series User Manual

Endura AZ series integral and remote transmitter
Combustion oxygen monitor

8.2 Diagnostics Messages

Note. Diagnostics messages are listed in order of highest priority.

8.2.1 Failure Messages

Message range: F100.000 to F070.003.
Status Diagnostic
Icon Message
––F100.000––
O2 SENSOR
FAILED
Check related
diagnostics
check wiring.
––F098.001––
TEMP. SENSOR
FAILED
Check related
diagnostics
check wiring
––F096.006––
ADC FAILURE
Cycle power. If
problem persists
change cartridge
––F094.007––
SENSOR BROKEN
Check wiring
––F092.036––
NO RESPONSE FROM
SENSOR
Check gas pipes.
Check wiring
Replace cell.
––F090.008––
THERMOCOUPLE
FAILED
Check wiring
Table 8.2 Diagnostics – Failure Messages
IM/AZ20E–EN Rev. F
Possible Cause(s)
Broken sensor connection, faulty cell
or electronics.
Broken sensor connection, faulty
thermocouple or cold junction sensor.
Temporary or permanent hardware
failure.
Cell connection is open circuit.
Test gas pipes blocked or broken,
faulty cell or cell connections.
Thermocouple open circuit or faulty.
8 Troubleshooting
Corrective Measure(s)
Check for related diagnostics.
Check wiring.
If problem persists contact local
ABB service.
Check for related diagnostics.
Check wiring.
If problem persists contact local
ABB service.
Cycle power to transmitter.
Replace cartridge.
If problem persists contact local
ABB service.
Check wiring.
Replace cell.
If problem persists contact local
ABB service.
Check gas pipes.
Check cell wiring.
Replace cell.
Check wiring.
Replace thermocouple.
If problem persists contact local
ABB service.
79