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Manual
00809-0500-4880
Recommended actions
Potential cause
Slow heat up during cold start.
Recommended actions
9.3.15
O2 TC Reversed
Oxygen sensor heater thermocouple reversed.
Potential cause
O
thermocouple wires reversed.
2
Recommended actions
9.3.16
COe TC Reversed
Combustibles sensor block heater thermocouple reversed.
Potential cause
Combustibles thermocouple wires reversed.
Recommended actions
9.3.17
SB TC Reversed
Sample block heater thermocouple reversed.
Potential cause
Sample block thermocouple wires reversed.
Rosemount OCX8800A
1. Check sample block thermocouple and circuit wires for short circuit
conditions per
Figure 9-2
2. Perform Reset.
1. Perform
Reset
to continue operation.
2. If alarm persists, refer to
1. Check O
thermocouple wiring per
2
2. Check the wiring at the sensor and inside the electronics housing.
3. Correct reversed-wires fault.
4. Perform
Reset
to continue operation.
1. Check thermocouple wiring per
2. Check the wiring at the sensor and inside the electronics housing.
3. Correct reversed-wires fault.
4. Perform
Reset
to continue operation.
and
Figure
10-8.
SB Htr
Failure.
Figure 9-2
and
Figure 9-2
and
Figure
Troubleshoot
December 2022
Figure
10-8.
10-9.
225
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