Genie Z-30/20N Service Manual page 110

April 2016
Fault Code Chart
Fault Code Programmer
Diagnostic Display
21 THROTTLE FAULT 1
THROTTLE FAULT 2
31 CONT DRVR OC
32 MAIN CONT WELDED Machine will not drive.
33 PRECHARGE FAULT
Part No. 139378
Condition
Machine will not drive.
Machine will not drive.
Machine will not drive.
Machine will not drive.
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
Fault Codes
Possible Causes Solution
Open in wht/red wire Consult Genie Product
#32 at pin 14 or Support.
red/wht wire #29 at pin
16 on the motor
controller going from
drive joystick to pins
14 and 16 at the motor
controller OR pin 14 is
internally shorted to
power or ground OR
the potentiometer on
the drive joystick is
defective.
Pin 14 (wht/red #32) is Consult Genie Product
shorted to power or Support.
ground OR the
potentiometer on the
drive joystick is
defective.
Main contactor (PR1) Replace main
coil defective OR brake contactor PR1 or brake
release relay release relay CR5 OR
CR5 defective. replace the motor
controller.
Main contactor (PR1) Consult Genie Product
contacts stuck closed Support.
OR grn wire at pin
17 on motor controller
shorted to ground OR
open in motor armature
wiring OR motor
controller has an
internal short to
ground.
External short between Repair short between
B+ terminal on motor B+ terminal on motor
controller and ground controller and ground
OR motor controller is OR replace motor
defective. controller.
Note: Short can be on
any part of circuit
connected to the B+
terminal on the motor
controller.
Service Manual
97