JLG 340AJ Service Manual - Manual (Page 290)

SECTION 6 - JLG CONTROL SYSTEM
6-46 – JLG Lift – 3121259
FUNCTION PROBLEM - SWING
RIGHT PERMANENTLY
SELECTED 2373 The machine is in Ground mode and the Swing switch is selected and
trying to activate the Swing Right function at startup. Swing Left and Right prohib-
ited. With the machine controls not
enabled, return the Swing
switch to neutral. Actuate
switch while monitoring state
changes under appropriate
menu in DIAGNOSTICS-->OPER
CONTROLS on Analyzer.
Replace the switch if defective.
BOOM TRANSPORT SWITCH
DISAGREEMENT 23104 The Ground Module detects that Boom Elevation switch #1 and
switch #2 are not in agreement for more than 4 seconds while lifting. The Ground Module assumes
an "Above Elevation" condition
and does not allow Axle Oscilla-
tion. Verify that the two boom angle
switches are adjusted to actu-
ate simultaneously. Cycle
Power.
FUNCTION PROBLEM –
TOWER LIFT UP PERMA-
NENTLY SELECTED 23105 The machine is in Ground mode and the Tower Lift switch is selected
and trying to activate the Tower Lift Up function at startup. Tower Lift Up and Down prohib-
ited. With the machine controls not
enabled, return the Tower Lift
switch to neutral. Actuate
switch while monitoring state
changes under appropriate
menu in DIAGNOSTICS-->OPER
CONTROLS on Analyzer.
Replace the switch if defective.
FUNCTION PROBLEM –
TOWER LIFT DOWN PERMA-
NENTLY SELECTED 23106 The machine is in Ground mode and the Tower Lift switch is selected
and trying to activate the Tower Lift Down function at startup. Tower Lift Up and Down prohib-
ited. With the machine controls not
enabled, return the Tower Lift
switch to neutral. Actuate
switch while monitoring state
changes under appropriate
menu in DIAGNOSTICS-->OPER
CONTROLS on Analyzer.
Replace the switch if defective.
FUNCTION PROBLEM - LIFT UP
PERMANENTLY SELECTED 23107 The machine is in Ground mode and the Lift switch is selected and
trying to activate the Lift Up function at startup. Lift Up and Down prohibited. With the machine controls not
enabled, return the Lift switch
to neutral. Actuate switch
while monitoring state
changes under appropriate
menu in DIAGNOSTICS-->OPER
CONTROLS on Analyzer.
Replace the switch if defective.
FUNCTION PROBLEM - LIFT
DOWN PERMANENTLY
SELECTED 23108 The machine is in Ground mode and the Lift switch is selected and
trying to activate the Lift Down function at startup. Lift Up and Down prohibited. With the machine controls not
enabled, return the Lift switch
to neutral. Actuate switch
while monitoring state
changes under appropriate
menu in DIAGNOSTICS-->OPER
CONTROLS on Analyzer.
Replace the switch if defective.
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