JLG 601S Service And Maintenance Manual page 189

Table 6-2. Help Fault Codes, Displayed Faults, and Descriptions - Prior to S/N 66939
2/3 Flash code 2/3 indicates problems with boom function selection.
LIFT/SWING JOYSTICK FAULTY
LIFT/SWING LOCKED -
JOYSTICK MOVED BEFORE
EMS/FSW
PUMP POT FAULTY
PUMP SWITCHES FAULTY -
CHECK DIAGNOSTICS/BOOM
PUMP SWITCHES LOCKED -
SELECTED BEFORE EMS/FSW
PUMP SWITCHED LOCKED -
SELECTED BEFORE EMS
SWING/LIFT JOYSTICK FAULTY
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.
BOOM PREVENTED - DRIVE
SELECTED
DRIVE PREVENTED - ABOVE
ELEVATION
DRIVE PREVENTED - BOOM
MOVEMENT SELECTED
DRIVE PREVENTED - TILTED &
ABOVE ELEVATION
BOOM PREVENTED – FUNCTION
CUTOUT ACTIVE
BOOM & DRIVE PREVENTED-
FUNCTION CUTOUT ACTIVE
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.
RETURN FILTER BYPASSED
CHARGE PUMP FILTER
BYPASSED
3/1 Flash code 3/1 indicates that a contactor did not close when energized.
NOT REQUIRED
3120746
SECTION 6 - JLG CONTROL SYSTEM (ADE)
The lift or swing joystick center tap is out of valid range, or the wiper
is wire-off.
Platform upper lift or swing was selected before and during foot-
switch closure.
The pump pot is open-circuit; all platform boom functions except
upper lift & swing will run at creep.
A boom function (lower lift, telescope, basket level, basket rotate,
jib) has both directions selected together.
A platform boom function (lower lift, telescope, basket level, basket
rotate, jib) was selected before key switch or footswitch closure.
A ground boom function (lower lift, telescope, basket level, basket
rotate, jib) was selected before key switch.
The swing joystick center tap is out of valid range, or the wiper is
wire-off.
A boom function is selected while a drive function is selected and
drive cutout is configured to prevent simultaneous drive & boom
operation.
Drive is selected while above elevation and drive cutout is configured
to prevent drive.
Drive is selected while a boom function is selected and drive cutout is
configured to prevent simultaneous drive & boom operation.
Drive is selected while tilted and above elevation and tilt is configured
to cutout drive.
A boom function is selected while function cutout is active and con-
figured to cutout boom functions.
Drive or a boom function is selected while function cutout is active
and configured to cutout all functions.
Hydraulic return filter clogged
Charge pump filter clogged
– JLG Lift –
3
4
5
6-15