Line Contactor Open Circuit - JLG 1230ES Operation And Safety Manual

SECTION 6 - GENERAL SPECIFICATIONS AND OPERATOR MAINTENANCE
2-5 Function Prevented
DTC FAULT MESSAGE
259 MODEL CHANGED - HYDRAULICS SUS-
PENDED - CYCLE EMS
2510 DRIVE PREVENTED - BRAKES NOT
RELEASING
2511 ELEV ANGLE SENSOR FAULTY - NOT
MOUNTED
2512 ELEV ANGLE SENSOR NOT DETECTING
CHANGE

3-1 Line Contactor Open Circuit

DTC FAULT MESSAGE
311 OPEN CIRCUIT LINE CONTACTOR
312 CONTACTOR DRIVER PERMANENTLY
OFF
6-18
DESCRIPTION
The model selection has been changed.
There is a problem with the drive or brake
system.
The input voltage from the elevation angle
sensor indicates the elevation angle sensor
is not mounted.
The input voltage from the elevation angle
sensor did not change while vehicle was lift-
ing up.
DESCRIPTION
There is a problem with the line contactor.
There is a problem with the power module
line contactor control.
– JLG Lift –
CHECK
Refer problem to a qualified JLG mechanic.
• Ensure vehicle is not stuck on something preventing movement.
Refer problem to a qualified JLG mechanic.
• Check that the elevation angle sensor is securely mounted.
Refer problem to a qualified JLG mechanic.
• Check that the elevation angle sensor is securely mounted.
Refer problem to a qualified JLG mechanic.
CHECK
Refer problem to a qualified JLG mechanic.
Refer problem to a qualified JLG mechanic.
3121221