Terex Genie Z-45/25 Bi-Energy, Service Manual

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5 - 4 Z-45/25 Bi-Energy • Z-45/25J Bi-Energy Part No. 237062
September 2015 Section 5 • Fault Codes
FAULT CODE CHART
Continued on next page
Fault Code Programmer Condition Possible Causes Solution
21 Throttle Machine will Open in the WH/RD wire #32, Consult the Genie service
fault 1 not drive pin 14 OR the RD/WH wire department.
#29, pin 16 between the
motor controller and the drive
joystick OR pin 14 is
internally shorted to power or
ground OR the potentiometer
on the joystick is defective.
Throttle Machine will WH/Rd wire #32, pin 14 is Consult the Genie service
fault 2 not drive shorted to power or ground department.
OR the potentiometer on the
drive joystick is defective.
31 CONT DRVR Machine will Main contactor PR1 coil is Replace PR1 contactor OR
OC not drive defective OR brake release CR5 relay OR motor
relay CR5 is defective OR controller.
motor controller is defective.
32 Main cont Machine will Main contactor PR1 contacts Consult the Genie service
welded not drive stuck closed OR green wire department.
at pin 17 on the motor
controller is shorted to ground
OR an open in the drive motor
armature wiring OR the motor
controller has an internal short
to ground.
33 Precharge Machine will External short between B+ Repair short between B+
fault not drive terminal on motor controller terminal and ground OR
and ground OR motor replace motor controller.
controller is defective. Note: Short can be on any
part of the circuit connected
to the B+ terminal on the
motor controller.