ABB Endura AZ30 series Programming Manual page 87

Endura AZ30 series integral probe and remote transmitter
Combustion oxygen monitor
Status Diagnostic
Icon Message
––F088.009––
THERMOCOUPLE
REVERSED
Correct wiring
––F086.010––
COLD JUNCTION
FAILED
Check wiring.
Replace cold
junction sensor
––F084.014––
HEATER FAILED
Check power
level at heater
connections.
––F082.015––
HEATER FUSE
BLOWN
Replace fuse. If
problem persists
replace heater
––F080.013––
HEATER TRIPPED
Wait for cell
temperature to
cool down
––F078.038––
MAIN NV MEMORY
FAILED
Cycle power.
Check & re-enter
configuration
Table 9.2 Diagnostics – Failure Messages (Continued)
COI/AZ30E–EN Rev. D
Possible Cause(s)
Thermocouple wired incorrectly.
Cold junction sensor in head open
circuit or faulty.
Faulty heater or electronics.
Faulty heater or temporary surge.
Maximum cell temperature exceeded.
Failure during reading of NV memory
or permanent corruption of data.
9 Troubleshooting
Corrective Measure(s)
Correct wiring.
Check wiring.
Replace cold junction sensor.
If problem persists contact local
ABB service.
Check power level at heater
connections in probe head.
If problem persists contact local
ABB service.
Replace fuse – see Section
28
page (integral transmitter) or
5.3.2 22
, page (remote transmitter).
Replace heater in probe.
If problem persists contact local
ABB service.
Wait for temperature to cool down.
If problem persists contact local
ABB service.
Switch power to transmitter off and
then on again.
Check and re-enter configuration
parameters.
Replace cartridge.
If problem persists contact local
ABB service.
5.4.2
,
85