JLG 1230ES Operator Manual - Manual (Page 82)

SECTION 6 - GENERAL SPECIFICATIONS AND OPERATOR MAINTENANCE
6-18 – JLG Lift – 3121221
259 MODEL CHANGED - HYDRAULICS SUS-
PENDED - CYCLE EMS The model selection has been changed. Refer problem to a qualified JLG mechanic.
2510 DRIVE PREVENTED - BRAKES NOT
RELEASING
There is a problem with the drive or brake
system. • Ensure vehicle is not stuck on something preventing movement.
Refer problem to a qualified JLG mechanic.
2511 ELEV ANGLE SENSOR FAULTY - NOT
MOUNTED
The input voltage from the elevation angle
sensor indicates the elevation angle sensor
is not mounted. • Check that the elevation angle sensor is securely mounted.
Refer problem to a qualified JLG mechanic.
2512 ELEV ANGLE SENSOR NOT DETECTING
CHANGE
The input voltage from the elevation angle
sensor did not change while vehicle was lift-
ing up. • Check that the elevation angle sensor is securely mounted.
Refer problem to a qualified JLG mechanic.
2-5 Function Prevented
DTC FAULT MESSAGE DESCRIPTION CHECK
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.