JLG 3246ES Operator Manual - Manual (Page 76)

SECTION 4 - MACHINE OPERATION
4-26 – JLG Lift – 3121165
3-1 Line Contactor Open Circuit
DTC FAULT MESSAGE DESCRIPTION CHECK
311 OPEN CIRCUIT LINE CONTACTOR There is a problem with the line contactor. Refer problem to a qualified JLG mechanic.
312 CONTACTOR DRIVER PERMANENTLY
OFF There is a problem with the power module
line contactor control. Refer problem to a qualified JLG mechanic.
3-2 Line Contactor Short Circuit
DTC FAULT MESSAGE DESCRIPTION CHECK
321 LINE CONTACTOR MISWIRED ON OR
WELDED There is a problem with the line contactor. Refer problem to a qualified JLG mechanic.
322 CONTACTOR DRIVER PERMANENTLY
ON There is a problem with the power module
line contactor control. Refer problem to a qualified JLG mechanic.
326 AUXILIARY RELAY - SHORT TO BAT-
TERY There is a problem with the auxiliary relay
contacts or wiring. Refer problem to a qualified JLG mechanic.