JLG 3246ES Operator Manual - Manual (Page 75)

SECTION 4 - MACHINE OPERATION
3121165 – JLG Lift – 4-25
257 ELEV PROX PERMANENTLY CLOSED -
CHECK PROX AND ANGLE ADJUST-
MENT The elevation proximity switch shows the
platform to be stowed, while the elevation
angle sensor shows the platform to be
raised. The elevation proximity switch is
only found on certain older lifts. This
switch is not used on current machines so
this DTC should not occur. Refer problem to a qualified JLG mechanic.
258 DRIVE & LIFT PREVENTED - BRAKES
ELECTRICALLY RELEASED FOR TOWING Manual brake release mode is activated
with the switch in the battery box near the
ground control box. Drive or lift is not pos-
sible. • Push manual brake release switch again or cycle power to clear manual
brake release mode.
• Check if the brake release switch is obstructed or jammed.
Refer problem to a qualified JLG mechanic.
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
lifting 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