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Troubleshoot
December 2022
9.3.23
Board Temp Hi
Electronics temperature maximum exceeded, > 185 °F (85 °C).
Potential cause
Electronics housing exposed to high ambient temperature.
Recommended actions
9.3.24
EEPRM Chksm Fail
Alert
Non-volatile parameter storage corrupted.
Potential cause
Transmitter powered down during calibration parameter storage.
Recommended actions
Potential cause
Flash PROM failure.
Recommended action
Replace electronics package.
9.3.25
O2 Temp Low
Oxygen sensor heater temperature low, < 1310 °F (710 °C).
Potential cause
Sensor housing exposed to high wind and/or extreme cold temperatures.
Recommended action
Install sensor housing flange insulator (PN 6P00162H01).
Potential cause
High noise or voltage fluctuations in power supply.
Recommended action
230
1. Insulate housing from source of high temperature and/or install cooling
fan to remove heat from housing.
2. Perform
Reset
to continue operation.
1. Perform Reset.
2. Recalibrate the transmitter and check/trim analog outputs.
1. Check power supply for line noise or voltage fluctuations.
Manual
00809-0500-4880
Emerson.com/Rosemount
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