JLG 340AJ Service Manual - Manual (Page 285)

SECTION 6 - JLG CONTROL SYSTEM
3121259 – JLG Lift – 6-41
FUNCTION PROBLEM - STEER
LEFT PERMANENTLY
SELECTED 224 The machine is in Platform mode and the Steer Left switch is ener-
gized at startup Machine enters Creep Mode
and Steer Left and Right are
prohibited Enable machine and on Ana-
lyzer under DIAGNOSTICS--
>DRIVE/STEER-->STEER
DEMAND, observe Steer Left
and Right commands; open
Platform box and troubleshoot
wiring or replace joystick.
FUNCTION PROBLEM - STEER
RIGHT PERMANENTLY
SELECTED 225 The machine is in Platform mode and the Steer Right switch is ener-
gized at startup Machine enters Creep Mode
and Steer Left and Right are
prohibited Enable machine and on Ana-
lyzer under DIAGNOSTICS--
>DRIVE/STEER-->STEER
DEMAND, observe Steer Left
and Right commands; open
Platform box and troubleshoot
wiring or replace joystick.
STEER SWITCHES FAULTY 227 Both steer switch inputs on the Drive/Steer joystick are energized at
startup (Platform or Ground mode). Drive and Steer are prohibited. Enable machine and on Ana-
lyzer under DIAGNOSTICS--
>DRIVE/STEER-->STEER
DEMAND, observe Steer Left
and Right commands; open
Platform box and troubleshoot
wiring or replace joystick.
FSW INTERLOCK TRIPPED 2211 Machine is in Platform Mode.
The footswitch is depressed for a time period greater than or equal to
7 seconds without activation of any functions The Machine Enabled function
is disabled Release the footswitch
DRIVE LOCKED - JOYSTICK
MOVED BEFORE FOOTSWITCH 2212 The Control System detects one of the following conditions:
The machine is in Platform Mode and the drive joystick is not in the
neutral position immediately following Start Up.
The machine is in Platform Mode and the footswitch is depressed or
DTC 2213, 2221, or 2223 are active while the drive joystick is not in the
neutral position.
If caused by the drive joystick
not being in the neutral posi-
tion immediately following the
startup period then disable
drive and steer
If caused by engaging foot-
switch while the drive joystick
is not in the neutral position,
then do not allow the machine
to enter the Machine Enabled
state
If caused by the drive joystick
not being in the neutral posi-
tion immediately following
Start Up, then return Drive joy-
stick to its neutral position
before depressing footswitch
If caused by footswitch being
depressed while the drive joy-
stick is not in the neutral posi-
tion then release the
footswitch, return the Drive
joystick to neutral and depress
the footswitch again
STEER LOCKED - SELECTED
BEFORE FOOTSWITCH 2213 The Ground Module detects that the machine is in Platform Mode
and the footswitch is depressed or DTC 2212, 2221 or 2223 is active
while the steer controls are not in the neutral position. Do not allow the machine to
enter the Machine Enabled
state Steer controls are returned to
neutral and the footswitch is
released
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