Service Manual
February 2022
Diagnostics
88
GRC
™
Part No. 1314708GT
Type "CXXX" Faults
DTC
Number
Message on
GCON LCD
Description
Possible Causes
Failure Mode
C001:
C001:GCON ECM
FAULT TYPE 1
GCON ECM CRC check error.
• Incorrect software file.
• GCON ECM internal failure.
All functions
inhibited.
C004:
C004:GCON ECM
FAULT TYPE 4
GCON ECM master switch error.
• Short circuit in the master switch circuit.
• GCON ECM.
All functions
inhibited.
C005:
C005:GCOM ECM
FAULT TYPE 5
GCON ECM safety switch error.
• Short circuit in the safety switch circuit.
• GCON ECM.
All functions
inhibited.
C006:
C006:GCON ECM
FAULT TYPE 6
GCON input redundancy error.
• Input conditioning circuit failure.
• GCON ECM.
All functions
inhibited.
C007:
C007:GCON ECM
FAULT TYPE 7
GCON ECM inter-processor communication
error.
• Incorrectly programmed device.
• Error in loading software on device.
• GCON ECM.
All functions
inhibited.
C009
:
C009:GCON ECM
FAULT TYPE 9
GCON ECM fault type 9.
• Contact Genie support.
All functions
inhibited.
C010:
C010:SECONDARY
NOT PROGRAMMED
GCON secondary processor not
programmed.
• Incorrectly programmed device.
• Error in loading software on device.
• GCON ECM.
All functions
inhibited.
C021:
C021:PCON NOT
DETECTED
PCON not detected error.
• PCON disconnected.
• CAN communication failure.
• GCON or PCON ECM.
All functions
inhibited.
C023:
C023:MACHINE
MODEL FAULT
Discrepancy between model detected and
model programmed.
• Incorrect machine model programmed.
• GCON or PCON ECM.
All functions
inhibited.
C028:
C028:SERVICE
OVERRIDE MODE ON
Machine is in service override mode.
• Machine programmed for use in service override
mode.
All functions inhibited
except for down
function and up
function.
Platform can be
elevated only once
with the maximum
elevate time of XX
seconds.
Elevate time XX
depends on machine
model.
C051:
C051:SYSTEMFAULT
TILT:NoCal
UTS level sensor not calibrated.
• UTS level sensor calibration has not been
performed.
• New level sensor connected.
• System parameters reset to default.
All functions inhibited
except platform
down as long as
machine is in the
elevated position. If
machine is in stowed
position, all
functionality is
resumed.
C052:
C052:TILT SENSOR
NOT DETECTED
No level sensor detected.
• UTS level sensor disconnected.
• Open circuit in level sensor harness.
All functions inhibited
except platform
down as long as
machine is in the
elevated position. If
machine is in stowed
position, all
functionality is
resumed.
Summary of Contents for Genie GRC-12
Page 113: ...February 2022 Service Manual 101 Electrical Schematic GRC Options...
Page 115: ...February 2022 Service Manual 103 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 118: ...Service Manual February 2022 106 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 119: ...February 2022 Service Manual 107 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 122: ...Service Manual February 2022 110 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 123: ...February 2022 Service Manual 111 Electrical Schematic GRC from GRC14 1781 to GRC15 2343...
Page 126: ...Service Manual February 2022 114 Electrical Schematic GRC from GRC15 2344 to GRC16P 2481...
Page 127: ...February 2022 Service Manual 115 Electrical Schematic GRC from GRC16P 2482 to GRC16P 2562...
Page 130: ...Service Manual February 2022 118 Electrical Schematic GRC from GRC16P 2563 to GRCP 5999...
Page 131: ...February 2022 Service Manual 119 Hydraulic Schematic GRC from GRC11 1000 to GRC12 1168...
Page 135: ......