February 2022
Service Manual
Checklist B Procedures
Part No. 1314708GT
GRC
™
17
All models:
16 Check each battery pack and verify that the
batteries are wired correctly.
17 Inspect the battery charger plug and pigtail for
damage or excessive insulation wear.
Replace as required.
18 Connect the battery charger to a properly
grounded 115V/60Hz or, 230V/60Hz or 50Hz
single phase AC power supply.
Result: The charger should operate and begin
charging the batteries.
If, simultaneously, the charger alarm sounds
and the LEDs blink
one time
, correct the
charger connections at the fuse and battery.
The charger will then operate correctly and
begin charging the batteries.
If, simultaneously, the charger alarm sounds
and the LEDs blink
two times
, the input
voltage is too low or too high. Correct the
voltage issue. The charger will then operate
correctly and begin charging the batteries.
If, simultaneously, the charger alarm sounds
and the LEDs blink
three times
, the charger
is overheated. Allow the charger to cool. The
charger will then operate correctly and begin
charging the batteries.
Note: For best results, use an extension cord of
adequate size with a length no longer than 50 feet
/ 15 m.
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: ......