JLG 460SJ Service Manual - Manual (Page 337)

SECTION 6 - JLG CONTROL SYSTEM (S/N 61718 TO PRESENT)
3120895 – JLG Lift – 6-21
2/3 Flash code 2/3 indicates problems with boom function selection. 3
LIFT/SWING JOYSTICK FAULTY The lift or swing joystick center tap is out of valid range, or the wiper
is wire-off.
LIFT/SWING LOCKED -
JOYSTICK MOVED BEFORE
EMS/FSW Platform upper lift or swing was selected before and during foot-
switch closure.
PUMP POT FAULTY The pump pot is open-circuit; all platform boom functions except
upper lift & swing will run at creep.
PUMP SWITCHES FAULTY -
CHECK DIAGNOSTICS/BOOM A boom function (lower lift, telescope, basket level, basket rotate,
jib) has both directions selected together.
PUMP SWITCHES LOCKED -
SELECTED BEFORE EMS/FSW A platform boom function (lower lift, telescope, basket level, basket
rotate, jib) was selected before key switch or footswitch closure.
PUMP SWITCHED LOCKED -
SELECTED BEFORE EMS A ground boom function (lower lift, telescope, basket level, basket
rotate, jib) was selected before key switch.
SWING/LIFT JOYSTICK FAULTY The swing joystick center tap is out of valid range, or the wiper is
wire-off.
2/4 Flash code 2/4 indicates that steering digital inputs are faulty.
NOT REQUIRED
2/5 Flash code 2/5 indicates that a function is prevented due to a cutout. 4
BOOM PREVENTED - DRIVE
SELECTED A boom function is selected while a drive function is selected and
drive cutout is configured to prevent simultaneous drive & boom
operation.
DRIVE PREVENTED - ABOVE
ELEVATION Drive is selected while above elevation and drive cutout is configured
to prevent drive.
DRIVE PREVENTED - BOOM
MOVEMENT SELECTED Drive is selected while a boom function is selected and drive cutout is
configured to prevent simultaneous drive & boom operation.
DRIVE PREVENTED - TILTED &
ABOVE ELEVATION Drive is selected while tilted and above elevation and tilt is configured
to cutout drive.
BOOM PREVENTED – FUNCTION
CUTOUT ACTIVE A boom function is selected while function cutout is active and con-
figured to cutout boom functions.
BOOM & DRIVE PREVENTED-
FUNCTION CUTOUT ACTIVE Drive or a boom function is selected while function cutout is active
and configured to cutout all functions.
2/7 Flash code 2/7 indicates that the accelerator input is faulty.
NOT REQUIRED
2/8 Flash code 2/8 indicates that the hydraulic filter is being bypassed. 5
RETURN FILTER BYPASSED Hydraulic return filter clogged
CHARGE PUMP FILTER
BYPASSED Charge pump filter clogged
3/1 Flash code 3/1 indicates that a contactor did not close when energized.
NOT REQUIRED
Table 6-2. Help Fault Codes, Displayed Faults, and Descriptions - Prior to S/N 66995