Service and Repair Manual
Drive Control Fault Codes
Drive Controller Fault Handling
The drive controllers are located on the ground controls side of the machine and mounted to the
bulkhead.
The drive controller can detect faults or error conditions. Faults can also be detected by the machine
control system and PCON display. The fault displayed is the four digit CAN Object.
The faults list is in the numerical flash code order. The fault's name and CAN Object are listed, including
the fault type.
Cause, Effect and Solution are also listed. Effect is "what the controller will do" when the fault is active.
Diagnostics information can be obtained by observing the flash pattern issued by the status LED.
The controller status LED produces flash code ID's displaying all the currently set faults in a repeating
cycle. Each code ID consists of two digits.
The LED flashes red indicating the first digit of the code ID.
The LED flashes yellow indicating the second digit of the code ID.
Example:
The controller's LED will display this repeating pattern:
Note: The CAN Object is displayed at the PCON.
CAN Object
2121
Red
2 flashes
1
1 status LED
106
Fault Code
23
Z
®
-60 DC • Z
Name
Undervoltage Cutback
Yellow
3 flashes
®
-60 FE
August 2022
Part No. 1307785GT