REV A
September2016Section 5 • Diagnostics
5 - 12 GRC Part No. 227123
Type "CXXX" Faults
DTC
Number
Message on
GCON LCD
Problem
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.
C003
C003:GCON ECM
FAULT TYPE 3
GCON ECM external memory
error.
• GCON ECM.
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:GCON 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 ECM 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.
C021
C021:PCON NOT
DETECTED
PCON not detected error.
• PCON is missing.
• Communication bus failure.
• GCON or PCON ECM.
All functions
inhibited.
C022
C022:COMM FAULT
GCON-PCON
Communication failure
between PCON and GCON.
• CAN communication failure.
• CAN communication harness.
• GCON or PCON ECM.
All functions
inhibited.
C023
C023:MACHINE
MODEL FAULT
Discrepancy between model
detected and model
programmed.
• Incorrect machine model programmed by
user.
• GCON or PCON ECM.
All functions
inhibited.
C024
C024:PARAMETER
PROGRAM FAULT
Invalid machine parameters.
• Incorrect machine parameter programmed by
user.
• 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 X
seconds. Elevate
time X, depends on
machine model.
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