February 2022
Service Manual
Diagnostics
Part No. 1314708GT
GRC
™
89
Type “CXXX” Faults, (continued)
DTC
Number
Message on
GCON LCD
Description
Possible Causes
Failure Mode
C053:
C053:PCON-GCON
SOFTWARE MISMATCH
Software revisions do not match between the
PCON and GCON.
• C053 displayed at GCON, PCON with older
software revision connected to GCON with newer
software revision.
• C053 displayed at PCON, PCON with newer
software revision connected to GCON with older
software revision.
All functions
inhibited.
C054:
C054:GCON ECM
FAULT TYPE 54
GCON ECM Fault: Type 54.
• Short or open circuit to GCOM ECM.
• GCON ECM.
All functions
inhibited.
C077:
C077:DISABLED
BY OWNER
Telematics Remote Disable.
• Machine disabled.
All functions
inhibited.
C078:
C078:TELEMATICS
NOT DETECTED
Telematics device not detected by GCON.
• Telematics device not connected.
• Telematics device not installed.
Telematics is
installed:
Connect the
telematics device to
the GCON.
Telematics is not
installed:
Navigate to the
options menu on the
machine and disable
telematics.
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: ......