“4069RT” Service and Parts Manual March 2014
Page 4-19
TROUBLESHOOTING -- EZ -CAL RETRIEVE MODE AND HELP MESSAGES
WIRING M
ESSAGES
The following are “wiring” HELP messages – problems have been detected which are
likely due to vehicle wiring issues:
FAULT: ENERGIZED VALVE - CHECK P5 WIRING! ____________ Flash Code: 3/2
FAULT: VALVE FEEDBACK HIGH - CHECK VALVE WIRING! _____ Flash Code: 3/2
• There is a voltage on one or more valve outputs, when all outputs are off.
• Check each valve output to trace where the invalid supply is coming from.
FAULT: CAPBANK VOLTAGE TOO HIGH - CHECK LINE CONT! __ Flash Code: 3/3
• The voltage on the B+ stud of the controller (connected to an internal voltage stabilization
capacitor bank) is too high when the line contactor is off. B+ stud voltage should be approxi-
mately 32 volts at idle.
• Check the line contactor tips are not welded, and check the power wiring for errors.
FAULT: ENERGIZED LINE CONTACTOR - CHECK P5 WIRING! __ Flash Code: 3/4
• There is a voltage on the line contactor coil output, when it is off.
• Check wiring to the line contactor coil to trace where the invalid supply is coming from.
FAULT: MOTOR OVERLOAD! ______________________________ Flash Code: 3/5
• The power protection circuits in the controller have activated to protect from extreme over-
load.
• Check for short-circuit power wiring; check for a seized or shorted motor.
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