JLG M4069 ANSI Service Manual User Manual
Page 105
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