Service manual

SECTION 5 - JLG CONTROL SYSTEM
3121122 – JLG Lift – 5-9
4-4 440 BATTERY SUPPLY
441 BATTERY VOLTAGE TOO LOW - SYSTEM SHUTDOWN
Recharge batteries or check for damaged batteries.
442 BATTERY VOLTAGE TOO HIGH - SYSTEM SHUTDOWN
Disconnect battery charger. Check that the correct voltage batteries are being used.
N/A BATTERY CHARGE TOO LOW - SYSTEM SHUTDOWN
6-6 660 COMMUNICATION
661 CANBUS FAILURE: POWER MODULE
Lost communication to power module. Check wiring at ground control and power module. Recycle power to clear fault.
7-7 770 ELECTRIC MOTOR
773 CAPACITOR BANK FAULT - CHECK POWER CIRCUITS
Check power wiring. If no error in power wiring, replace power controller.
775 OPEN CIRCUIT FIELD (or TRACTION) WIRING
Open circuit between F1 and F2 terminals on power module and the drive motors. Check wiring.
8-1 810 TILT SENSOR
812 NO DATA FROM TILT SENSOR - NOT CONNECTED OR FAULTY
No signal from the tilt switch. Check wiring and plug connections at the level sensor and at the ground control box.
9-9 990 HARDWARE
995 POWER MODULE FAILURE - PERSONALITY RANGE ERROR
Toggle MODEL then re-configure Machine Setup and Personalities. If this does not resolve issue, replace power controller.
996 POWER MODULE FAILURE - INTERNAL ERROR
Toggle MODEL then re-configure Machine Setup and Personalities. If this does not resolve issue, replace power controller.
997 POWER MODULE FAILURE - CHECK POWER CIRCUITS OR MOSFET SHORT CIRCUIT
Check power wiring. If no error in power wiring module, replace power controller.
9980 POWER MODULE FAILURE - PERSONALITY CRC ERROR
Toggle MODEL then re-configure Machine Setup and Personalities. If this does not resolve issue, replace power controller.
N/A POWER MODULE FAILURE - CAPACITOR BANK FAULT
Replace power module.
Table 5-1. Flash Codes/DTC’s
FLASH CODE DTC HELP MESSAGE AND DESCRIPTION