Service and Repair Manual
March 2021
Type "HXXX" Faults
168
GS
™
-30 • 32 • 46 • 47
Part No. 1272217GT
Type "HXXX" Faults, continued
DTC
Number
Message on
GCON LCD
Description
Possible Causes
Failure Mode
H072:
GS30,
GS32,
GS46 &
GS47
H072:FAULT
MC THROTTLE:BAT+
Short circuit of the motor controller throttle
circuit to battery positive.
• Short circuit in motor controller throttle wire.
• Motor Controller.
• GCON ECM.
All functions inhibited
except platform down.
H074:
GS-3232
H074:COILFAULT
LF RIGGER
Short circuit of the left front outrigger circuit
to battery positive/negative or open circuit.
• Short or open circuit in left front outrigger
harness.
• Left front outrigger coil short or open circuit.
• GCON ECM.
Left front outrigger
function inhibited.
H075:
GS-3232
H075:COILFAULT
LR RIGGER
Short circuit of the left rear outrigger circuit to
battery positive/negative or open circuit.
• Short or open circuit in left rear outrigger
harness.
• Left rear outrigger coil short or open circuit.
• GCON ECM.
Left rear outrigger
function inhibited.
H076:
GS-3232
H076:COILFAULT
RF RIGGER
Short circuit of the right front outrigger circuit
to battery positive/negative or open circuit.
• Short or open circuit in right front outrigger
harness.
• Right front outrigger coil short or open circuit.
• GCON ECM.
Right front outrigger
function inhibited.
H077:
GS-3232
H077:COILFAULT
RR RIGGER
Short circuit of the right rear outrigger circuit
to battery positive/negative or open circuit.
• Short or open circuit in right rear outrigger
harness.
• Right rear outrigger coil short or open circuit.
• GCON ECM.
Right rear outrigger
function inhibited.
H078:
GS30,
GS32,
GS46 &
GS47
H078:COILFAULT
PLAT DOWN1
Short circuit of the platform down #1 circuit
to battery positive/negative or open circuit.
• Short or open circuit in platform down
#1 harness.
• Platform down #1 coil short or open circuit.
• GCON ECM.
Platform down
function inhibited.
H079:
GS32,
GS46 &
GS47
H079:COILFAULT
HI/LO SPEED
Short circuit of the HI/LO speed circuit to
battery positive/negative or open circuit.
• Short circuit in HI/LO speed harness.
• HI/LO speed coil short or open circuit.
• GCON ECM.
Hi/Lo speed coil
disabled. Machine will
operate in high speed
mode if open circuit or
short with battery
negative. Machine will
operate in low speed
mode if short with
battery positive.
H080:
GS30,
GS32,
GS46 &
GS47
H080:COILFAULT
STEER LEFT
Short circuit of the steer left circuit to battery
negative or open circuit.
• Short or open circuit in steer left harness.
• Steer left coil short or open circuit.
• GCON ECM.
Steer left function
inhibited.
H081:
GS30,
GS32,
GS46 &
GS47
H081:COILFAULT
STEER RIGHT
Short circuit of the steer right circuit to
battery negative or open circuit.
• Short or open circuit in steer right harness.
• Steer right coil short or open circuit.
• GCON ECM.
Steer right function
inhibited.
H102:
GS-4047
H102:COILFAULT
RELIEF VALVE:BAT+
Short circuit of the relief valve circuit to
battery positive.
• Short circuit in relief valve harness.
• Relief valve coil short circuit.
• GCON ECM.
All functions
inhibited except
platform down while
above limit switch.
H103:
GS-4047
H103:COILFAULT
RELIEF VALVE:BAT-
Short circuit of the relief valve circuit to
battery negative.
• Short circuit in relief valve harness.
• Relief valve coil short circuit.
• GCON ECM.
All functions
inhibited except
platform down while
above limit switch.
H104:
GS-4047
H104:COILFAULT
RELIEF VALVE:OPEN
Relief valve circuit open.
• Open circuit in relief valve harness.
• Relief valve coil open circuit.
• GCON ECM.
All functions
inhibited except
platform down while
above limit switch.