Service Manual
February 2022
Diagnostics
90
GRC
™
Part No. 1314708GT
Battery Charger
The charger continuously monitors internal and external conditions. Fault and Error codes are generated
by the charger to indicate that an internal or external malfunction has been detected in the electrical
system. The types of Diagnostic Trouble Codes that may occur are explained below.
Type "F" codes – Indicate an internal fault condition has occurred and caused charging to stop.
Type "E" codes - Indicate an external fault condition has occurred and caused charging to stop.
Type "P" code - Indicates charger programming mode is active. This will occur when the charger profile is
being configured.
Type "USB" code - Indicates the USB interface is active, and the USB should not be removed. This will
occur when the charger firmware is being updated.
Solid red - Internal fault condition. Type "F" fault code.
Flashing amber - External fault condition. Type "E" error code.
Flashing green - USB interface is active.
Solid green - Firmware update is complete. Remove USB from charger.
Codes are displayed as F, E or P and followed by three numbers and a period (example: E-0-0-4). The
charger can display multiple codes.
If the batteries are changed from one type to another, (example: flooded lead acid to AGM), the charger
profile must be programmed. Refer to Repair Procedure,
Programming the Charger Profile
.
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: ......