SECTION 5 - GENERAL SPECIFICATIONS AND MAINTENANCE
5-26
– JLG Lift –
3121272
7-7 Electric Motor
DTC
FAULT MESSAGE
DESCRIPTION
CHECK
772
STALLED TRACTION MOTOR OR POWER
WIRING ERROR
The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
773
CAPACITOR BANK FAULT - CHECK
POWER CIRCUITS
The power module detected a problem in the
pump or drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
774
SHORT CIRCUIT FIELD WIRING
The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
775
OPEN CIRCUIT FIELD WIRING
The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
776
STALLED PUMP MOTOR OR POWER
WIRING ERROR
The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
777
OPEN CIRCUIT PUMP MOTOR WIRING
The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
778
TRACTION T HIGH - CHECK POWER CIR-
CUITS
The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
779
TRACTION T LOW - CHECK POWER CIR-
CUITS
The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
7710 PUMP P HIGH - CHECK POWER CIRCUITS The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
