Service Manual Manual

SECTION 6 - JLG CONTROL SYSTEM
3121171 – JLG Lift – 6-75
236 23 6 FUNCTION SWITCHES LOCKED - SELECTED BEFORE
START SWITCH
A boom function was
selected before engine
start.
237 23 7 START SWITCH LOCKED - SELECTED BEFORE KEY-
SWITCH
The Start Switch was
closed during power-up.
250 25 0 <<< FUNCTION PREVENTED >>>
259 25 9 MODEL CHANGED - HYDRAULICS SUSPENDED - CYCLE
EMS
The model selection has
been changed.
2513 25 13 GENERATOR MOTION CUTOUT ACTIVE Driving is not possible
while the vehicle generator
is running AND is config-
ured to prevent drive.
2514 25 14 BOOM PREVENTED - DRIVE SELECTED Boom functions are not
possible while the vehicle
is being driven AND is con-
figured to not allow simulta-
neous drive & boom
operation.
2515 25 15 DRIVE PREVENTED - BOOM SELECTED Driving is not possible
while the vehicle above
elevation AND is config-
ured to prevent drive while
above elevation.
2516 25 16 DRIVE PREVENTED - ABOVE ELEVATION Driving is not possible
while Boom functions are
selected AND is configured
to not allow simultaneous
drive & boom operation.
2517 25 17 DRIVE PREVENTED - TILTED & ABOVE ELEVATION Driving is not possible
while the vehicle is tilted
and above elevation AND
is configured to prevent
drive while tilted and above
elevation.
2521 25 21 JIB SWING PREVENTED - IN 1000# MODE JIB Swing is not possible
while the vehicle is in 1000
LB Mode.
2522 25 22 CAN DONGLE ATTACHED - HYDRAULICS NOT
RESTRICTED
CAN Dongle attached.
Very limited restrictions for
all hydraulics systems.
2523 25 23 BACKUP BLAM COMMUNICATIONS ACTIVE RS232 serial backup com-
munications link to the
BLAM is active.
2524 25 24 DISCONNECT ANALYZER AND CYCLE EMS TO PER-
FORM BOOM RETRIEVAL
RS232 serial backup com-
munications link to the
BLAM is needed but an
analyzer is connected.
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check