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