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Error Cause Corrective Action
F143
Vcc open circuit on slave micro.
Bad Power Board or Display
Board.
1. Check power display and Display Board connectors P1B
associated wiring.
2. If OK, replace Power Board.
3. If fault persists, replace Display Board.
F145
Sensor input on the slave micro
shorted together.
Bad Power Board.
Replace Power Board.
F147
Ground open circuit on the slave
micro.
Bad Power Board.
Replace Power Board.
F151
Eeprom failure or communication
circuit error.
Bad Power Board or Display
Board.
1. Check power and Display Board connectors P1B and associated
wiring.
2. If OK, replace Display Board.
3. If fault persists, replace Power Board.
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