Service and Repair Manual August 2021
Type "FXXX" Faults
198 GS
™
-30m • 32m • 30 • 32 • 46 • 55 Part No. 1309020GT
Type "FXXX" Faults, (continued)
DTC
Number
Message on
GCON LCD
Description Possible Causes Failure Mode
F023:
F023:SENSORFAULT
RR RIGGER:BAT-
Short circuit of the Right Rear
Outrigger Sensor circuit to battery
negative.
• Short circuit in the right rear outrigger sensor circuit.
• Faulty pressure transducer.
• GCON ECM.
Right rear outrigger
inhibited if outrigger
extend is activated.
Outrigger can still be
retracted.
F034:
F034:SENSORFAULT
OVLD:PLAT HEIGHT
Height Sensor settings are not
calibrated correctly.
• Height sensor needs calibration for stowed height and
maximum height settings.
• GCON or PCON ECM.
All functions inhibited.
F035:
F035:SENSORFAULT
OVLD RANGE:LOW
Height Sensor setting is lower than
calibrated stowed height.
• Height sensor not calibrated for stowed height correctly.
• GCON or PCON ECM.
All functions inhibited.
F036:
F036:SENSORFAULT
OVLD RANGE:HI
Height Sensor setting is higher than
calibrated maximum height.
• Height sensor not calibrated for maximum height
correctly.
• GCON or PCON ECM.
All functions inhibited.
F072:
F072:SENSORFAULT
FUNCTION CUT B+
Function Cutout sensor B+ fault.
• Faulty extension deck limit switch.
• Faulty gate proximity switch.
• GCON ECM.
All functions inhibited.
F073:
F073:SENSORFAULT
DECK SENSOR B+
Power Deck sensor B+ fault.
• Short circuit in deck sensor input circuit.
• GCON ECM.
All functions inhibited.
F081:
F081:DCON ECM
THERM PROTECTION
• Controller is operating in an extreme environment.
• Excessive load on vehicle.
• Improper mounting of controller which is preventing
controller cooling.
• Controller is performance-limited at this temperature.
All functions inhibited
except platform down.
F082:
F082:MOTOR RF
ENCODER FAULT
• Encoder Steps parameter does not match the actual
motor encoder.
• Verify parameter settings: AC Motor Setup >>
Quadrature Encoder>> Encoder Steps.
• Motor encoder failure.
• Bad crimps or faulty wiring.
• External load impedance on the +5V supply is too low.
All functions inhibited
except platform down.
F083:
F083:MOTOR LF
ENCODER FAULT
• Encoder Steps parameter does not match the actual
motor encoder.
• Verify parameter settings: AC Motor Setup >>
Quadrature Encoder>> Encoder Steps.
• Motor encoder failure.
• Bad crimps or faulty wiring.
• External load impedance on the +5V supply is too low.
All functions inhibited
except platform down.
F084:
F084:MOTOR RF
STALL/ENCODER
• Stalled motor.
• Motor encoder failure.
• Bad crimps or faulty wiring.
• Problems with power supply for the motor encoder.
All drive and steer
functions inhibited.
F085:
F085:MOTOR LF
STALL/ENCODER
• Stalled motor.
• Motor encoder failure.
• Bad crimps or faulty wiring.
• Problems with power supply for the motor encoder.
All drive and steer
functions inhibited.
F086:
F086:RH BRAKE
FAIL SET
• Vehicle movement sensed after EM Brake has been
commanded to set.
• EM Brake will not hold the motor from rotating.
All functions inhibited
except platform down.
F087:
F087:MOTOR
LIMIT RUN
• Limited Operating Strategy (LOS) control mode has
been activated.
• Motor encoder failure.
• Bad crimps or faulty wiring.
• Vehicle is stalled.
All drive and steer
functions inhibited.
F088:
F088: LH BRAKE
FAIL SET
• Vehicle movement sensed after EM Brake has been
commanded to set.
• EM Brake will not hold the motor from rotating.
All functions inhibited
except platform down.
F129:
F129:TILT SENSOR FAULT
UTS mismatch fault. Two
accelerometers inside UTS
mismatch.(universal tilt sensor)
• Faulty UTS. All functions inhibited.
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