SECTION 5 - GENERAL SPECIFICATIONS AND MAINTENANCE
3121272
– JLG Lift –
5-27
7711 PUMP P LOW - CHECK POWER CIRCUITS The power module detected a problem in the
drive motors' power circuit wiring.
Refer problem to a qualified JLG mechanic.
7741 ARMATURE BRAKING CURRENT TOO
HIGH
The power module has detected excessive
braking current.
This can be caused by transporting an excessive load on a steep grade.
7742 FIELD VOLTAGE IMPROPER
The power module detected a problem in the
drive motors' power circuit wiring.
Recycle power on/off, if problem persists;
Refer problem to a qualified JLG mechanic.
7-7 Electric Motor
DTC
FAULT MESSAGE
DESCRIPTION
CHECK
8-2 LSS - Load Sensing System
DTC
FAULT MESSAGE
DESCRIPTION
CHECK
8212 LSS PRESSURE SENSOR -
DISAGREEMENT
Pressure Sensor 1 and Pressure Sensor 2 do not
agree. The system shall assume the machine is
overloaded until the sensors agree.
Refer problem to a qualified JLG mechanic.
8213 LSS ANGLE SENSOR -
DISAGREEMENT
The angle sensor’s change in reading does not
agree with the direction of themachine
motion (lift up).
Refer problem to a qualified JLG mechanic.
8214 LSS ANGLE SENSOR -
DIRECTION DISAGREEMENT
The angle sensor’s reading when the machine
is at maximum elevation does not fall within
the high end acceptable range.
Refer problem to a qualified JLG mechanic.
