Working on a cat ep20 kt and forward direction was ok then the code 29 in reverse,Reset key switch couple of times No luck%2@8
Code 29 is all the time and some time code 27 forward.
Please advise some help!!
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hi , you must by replace your logic card.It have a internal fault
Check for leaking motor field to the case. If OK tie up everything and try again. If still have problem check out the cables for the left drive motor fields and the H bridge card that drives the fields.
mike v,
Found the guard that covers the motor loose, could it be possible that could of short to the sensor wire that attached the drive motor.Or do i look else where?troubleshooting on this code would help!!
tanks
H bridge card.
Card is last. You see check mosfet broken.
It has to do with left motor field circuit
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