JLG 340AJ Service Manual User Manual

Page 286

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SECTION 6 - JLG CONTROL SYSTEM

6-42

– JLG Lift –

3121259

D/S JOY. OUT OF RANGE HIGH

2216

The Platform Module detects that the drive/steer joystick voltage is
out of range

The Control System disables
Drive; Brake release and Steer
still permitted

The Platform Module detects
the voltage is in range and no
longer reports the fault. Move
joystick through range of
motion and check voltage
(should be approximately 0.7-
6.3V).

D/S JOY. CENTER TAP BAD

2217

The Platform Module detects that the drive/steer center tap voltage
is out of range

The Control System disables
Drive; Brake release and Steer
still permitted

The Platform Module detects
the voltage is in range and no
longer reports the fault

L/S JOY. OUT OF RANGE HIGH

2219

The Platform Module detects that the Lift/Swing joystick reference
voltage is high

Disable Lift and Swing in Plat-
form Mode

The Platform Module no longer
reports the fault

L/S JOY. CENTER TAP BAD

2220

The Platform Module detects that the Lift/Swing center tap voltage is
out of range

Disable Lift and Swing in Plat-
form Mode.

The Platform Module detects
that the lift/swing center tap
voltage is in range and no lon-
ger reports the fault

LIFT/SWING LOCKED - JOY-
STICK MOVED BEFORE FOOT-
SWITCH

2221

The Ground Module detects one of the following conditions:

The machine is in Platform Mode and the Lift and/or Swing controls
are not in the neutral position immediately following Start Up.

The machine is in Platform Mode and the footswitch is depressed or
DTC 2212, 2213 or 2223 are active while the Lift/Swing joystick is not
in the neutral position.

If fault occurs at startup, dis-
able Lift and Swing in Platform
Mode

If fault occurs by engaging the
footswitch after the control,
then machine is not permitted
to enter the Machine Enabled
state.

Return Lift/Swing controls to
neutral while not in the
Enabled state.

Return Lift/Swing controls to
neutral and release the foot-
switch

WAITING FOR FSW TO BE OPEN

2222

Machine is in Platform Mode
Footswitch has been engaged since Start Up

Machine is not allowed to enter
the Machine Enabled state

Release the Footswitch

FUNCTION SWITCHES LOCKED
- SELECTED BEFORE ENABLE

2223

The machine is in Platform Mode and the footswitch is depressed or
DTC 2212, 2213, or 2221 is active while any of the following boom
control inputs are engaged:
Tower Lift
Telescope
Platform Level
Platform Rotate
Jib Lift

Machine is not allowed to enter
the Machine Enabled state

Release engaged control
switch and then depress foot-
switch

FOOTSWITCH SELECTED
BEFORE START

2224

Machine is in Platform mode
The footswitch is already engaged when an engine start is
attempted from the platform controls

Disable engine start

Release the footswitch before
attempting to start the engine

FUNCTION PROBLEM - PLAT-
FORM ROTATE LEFT PERMA-
NENTLY SELECTED

2247

The machine is in Platform mode and the platform rotate switch is
sending a continual left rotate signal.

Machine enters Creep Mode
and Platform Rotate Left and
Right prohibited.

Release the footswitch and
return the platform rotate
switch to neutral. Actuate
switch while monitoring state
changes under appropriate
menu in DIAGNOSTICS-->OPER
CONTROLS on Analyzer.
Replace the switch if faulty.

Table 6-10. Fault Code Troubleshooting Information

Help Message

DTC

Condition Producing DTC

Control System Response or

Machine Condition

Corrective Action/

Operational Requirement

for Function Movement

and/or to Clear Fault

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