Service and Repair Manual
November 2016
Fault Codes
104
GS-2669 DC • GS-3369 DC • GS-4069 DC
Part No. 1272220GT
Type "HXXX" Faults, continued
DTC
Number
Message on
GCON LCD
Description
Possible Causes
Failure Mode
H089
H089:COILFAULT
OSC LEFT:Open
Open circuit of the oscillate left
circuit.
• Open circuit in oscillate left harness.
• Oscillate left coil open circuit.
• GCON ECM.
All functions inhibited
except platform as long as
machine is in the elevated
position.
If machine is in stowed
position, all functionality is
resumed.
H090
H090:COILFAULT
OSC LEFT:Bat+
Short circuit of the oscillate left
circuit to battery positive.
• Short circuit in oscillate left harness.
• Oscillate left coil short circuit.
• GCON ECM.
All functions inhibited
except platform as long as
machine is in the elevated
position.
If machine is in stowed
position, all functionality is
resumed.
H091
H091:COILFAULT
ACCUM:Bat-
Short circuit of the accumulator
circuit to battery negative.
• Short circuit in accumulator harness.
• Accumulator coil short circuit.
• GCON ECM.
All functions inhibited
except platform as long as
machine is in the elevated
position.
If machine is in stowed
position, all functionality is
resumed.
H092
H092:COILFAULT
ACCUM:Open
Open circuit of the accumulator
circuit.
• Open circuit in accumulator harness.
• Accumulator coil open circuit.
• GCON ECM.
All functions inhibited
except platform as long as
machine is in the elevated
position.
If machine is in stowed
position, all functionality is
resumed.
H093
H093:COILFAULT
ACCUM:Bat+
Short circuit of the accumulator
circuit to battery positive.
• Short circuit in accumulator harness.
• Accumulator coil short circuit.
• GCON ECM.
All functions inhibited
except platform as long as
machine is in the elevated
position.
If machine is in stowed
position, all functionality is
resumed.
H105
H105:COILFAULT
OSC SUPPLY
Short circuit of the oscillate supply
circuit to battery positive/negative or
open circuit.
• Short or open circuit in oscillate supply harness.
• Oscillate supply coil short or open circuit.
• GCON ECM.
All functions inhibited
except platform as long as
machine is in the elevated
position.
If machine is in stowed
position, all functionality is
resumed.
H116
H116:COILFAULT
EXTEND/RETRACT
Short circuit of the outrigger supply
circuit to battery positive/negative or
open circuit.
• Short or open circuit in outrigger harness.
• Outrigger supply coil short or open circuit.
• GCON ECM.
All functions inhibited
except platform as long as
machine is in the elevated
position.
If machine is in stowed
position, all functionality is
resumed.