Type "Hxxx" Faults - Genie GRC-12 Service Manual

Section 5 • Diagnostics

Type "HXXX" Faults

DTC Message on
Number GCON LCD
H001:COILFAULT
H001
PLAT UP1:Bat-
H002:COILFAULT
H002
PLAT UP1:Open
H003:COILFAULT
H003
PLAT UP1:Bat+
H009:COILFAULT
H009
PLAT DOWN1:Bat+
H013:COILFAULT
H013
DRIVE FWD1:Bat-
H014:COILFAULT
H014
DRIVE FWD1:Open
H015:COILFAULT
H015
DRIVE FWD1:Bat+
H019:COILFAULT
H019
DRIVE REV1:Bat-
H020:COILFAULT
H020
DRIVE REV1:Open
H021:COILFAULT
H021
DRIVE REV1:Bat+
H027:COILFAULT
H027
STEER RT:Bat+
H030:COILFAULT
H030
STEER LT:Bat+
H067:FAULT
H067
MC ENABLE:Bat-
H069:FAULT
H069
MC ENABLE:Bat+
H070:FAULT
H070
MC THROTTLE:Bat-
H072:FAULT
H072
MC THROTTLE:Bat+
H078:COILFAULT
H078
PLAT DOWN1
H080:COILFAULT
H080
STEER LEFT
H081:COILFAULT
H081
STEER RIGHT
5 - 8
Problem
Description
Short circuit of the platform up
#1 circuit to battery negative.
Open circuit in the platform up
#1 circuit.
Short circuit of the platform up
#1 circuit to battery positive.
Short circuit of the platform up
#1 circuit to battery positive.
Short circuit of the drive
forward #1 circuit to battery
negative.
Open circuit in the drive
forward #1 circuit.
Short circuit of the drive
forward #1 circuit to battery
positive.
Short circuit of the drive
reverse #1 circuit to battery
negative.
Open circuit in the drive
reverse #1 circuit.
Short circuit of the drive
reverse #1 circuit to battery
positive.
Short circuit of the steer right
circuit to battery positive.
Short circuit of the steer left
circuit to battery positive.
Short circuit of the motor
controller circuit to battery
negative.
Short circuit of the motor
controller circuit to battery
positive.
Short circuit of the motor
controller throttle circuit to
battery negative.
Short circuit of the motor
controller throttle circuit to
battery positive.
Short circuit of the platform
down #1 circuit to battery
positive/negative or open
circuit.
Short circuit of the steer left
circuit to battery negative or
open circuit.
Short circuit of the steer right
circuit to battery negative or
open circuit.
GRC
Possible
Causes
• Short circuit in platform up #1 harness.
• Platform up #1 coil short circuit.
• GCON ECM.
• Open circuit in platform up #1 harness.
• Platform up #1 coil open circuit.
• GCON ECM.
• Short circuit in platform up #1 harness.
• Platform up #1 coil short circuit.
• GCON ECM.
• Short circuit in platform up #1 harness.
• Platform up #1 coil short circuit.
• GCON ECM.
• Short circuit in drive forward #1 harness.
• Drive forward #1 coil short circuit.
• GCON ECM.
• Open circuit in drive forward #1 harness.
• Drive forward #1 coil open circuit.
• GCON ECM.
• Short circuit in drive forward #1 harness.
• Drive forward #1 coil short circuit.
• GCON ECM.
• Short circuit in drive reverse #1 harness.
• Drive reverse #1 coil short circuit.
• GCON ECM.
• Open circuit in drive reverse #1 harness.
• Drive reverse #1 coil open circuit.
• GCON ECM.
• Short circuit in drive reverse #1 harness.
• Drive reverse #1 coil short circuit.
• GCON ECM.
• Short circuit in steer right harness.
• Steer right coil short circuit.
• GCON ECM.
• Short circuit in steer right harness.
• Steer right coil short circuit.
• GCON ECM.
• Short circuit in motor controller enable wire.
• Motor Controller.
• GCON ECM.
• Contactor Coil.
• Short circuit in motor controller enable wire.
• Motor Controller.
• GCON ECM.
• Short circuit in motor controller throttle wire.
• Motor Controller.
• GCON ECM.
• Short circuit in motor controller throttle wire.
• Motor Controller.
• GCON ECM.
• Short or open circuit in platform down #1
harness.
• Platform down #1 coil short or open circuit.
• GCON ECM.
• Short or open circuit in steer left harness.
• Steer left coil short or open circuit.
• GCON ECM.
• Short or open circuit in steer right harness.
• Steer right coil short or open circuit.
• GCON ECM.
September2016
REV A
Failure
Mode
Platform up
function inhibited.
Platform up
function inhibited.
All functions
inhibited except
platform down.
All functions
inhibited.
Drive forward
function inhibited.
Drive forward
function inhibited.
All functions
inhibited except
platform down.
Drive reverse
function inhibited.
Drive reverse
function inhibited.
All functions
inhibited except
platform down.
All functions
inhibited except
platform down.
All functions
inhibited except
platform down.
All functions
inhibited except
platform down.
All functions
inhibited except
platform down.
All functions
inhibited except
platform down.
All functions
inhibited except
platform down.
Platform down
function inhibited.
Steer left function
inhibited.
Steer right function
inhibited.
Part No. 227123