Oshkosh Corporation JLG 450AJ, Service And Maintenance Manual

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SECTION 6 - JLG CONTROL SYSTEM
3121659 – JLG Lift – 6-39
Table 6-5. Diagnostic Trouble Code Chart
Help Message DTC
Fault Condition/Trigger
(For configurable items, fault applies only if
configured. All listed conditions to be met unless
stated otherwise)
Required Control
Response or State
Assignment
Conditions Required for Movement
and/or to Clear Fault
Note: "Controls Initialized" means all controls have been released / returned to neutral, and the machine enable (footswitch) has been released.
EVERYTHING OK
001
1 Machine is in Platform Mode;
The UGM determines no problems exist No response required for this
DTC
GROUND MODE OK
002
1 Machine is in Ground Mode;
The UGM determines no problems exist No response required for this
DTC
RUNNING AT CUTBACK – OUT
OF TRANSPORT POSITION
0010
1 Machine is in the Out of Transport position Response described in Drive
Modes section Machine is not in the Out of Transport posi-
tion
FSW OPEN
0011
1 Machine is in Platform Mode;
Any of the following Platform inputs become active after
power up, but before Machine Enabled:
Drive joystick is not in the neutral position
Steer;
Lift and/or Swing joystick is not in the neutral position;
Tower Lift (340AJ, 450AJ);
Telescope;
Platform Level;
Platform Rotate;
Jib Lift (if MACHINE SETUP > JIB = YES) The UGM shall not Enable the
Machine Controls initialized
RUNNING AT CREEP - CREEP
SWITCH OPEN
0012
1 Machine is in Platform Mode;
Platform Creep switch input = HIGH ;
DTC 0013 is not active The UGM shall limit the
machine to Creep speed Platform Creep switch input = Low
RUNNING AT CREEP - TILTED
AND ABOVE ELEVATION
0013
1 Machine is in Platform Mode;
The Boom is Above Elevation;
Machine chassis is considered Tilted The UGM shall limit the
machine to Creep speed;
If MACHINE SETUP > TILT =
(angle) + CUT, response
described in Tilted Output
Cutouts section Not all of the trigger conditions are met
FUEL LEVEL LOW – ENGINE
SHUTDOWN 0031 Engine Shutdown has occurred due to Fuel Level = EMPTY
condition. Response described in Fuel
Shutdown section Power Cycled
APU ACTIVE 0035 Auxiliary Power/Emergency Descent Mode is active Response described in Auxil-
iary Power/Emergency
Descent Mode section Auxiliary Power/Emergency Descent Mode
is not active
FUNCTION PREVENTED - FUNC-
TION SELECTED BEFORE
GROUND ENABLE 0036 Machine is in Ground Mode;
Any of the following Ground inputs become active after power
up, but before Machine Enabled:
Lift;
Swing;
Tower Lift (340AJ, 450AJ);
Telescope;
Platform Level;
Platform Rotate;
Jib Lift (if MACHINE SETUP > JIB = YES) The UGM shall not Enable the
Machine Controls initialized
SKYGUARD ACTIVE – FUNC-
TIONS CUTOUT 0039 MACHINE SETUP > SKYGUARD = YES;
Machine is in Platform Mode;
SkyGuard Enabled Response described in Sky-
Guard section Not all of the trigger conditions are met
KEYSWITCH FAULTY 212 UGM Ground Mode input J7-3 input = High;
UGM Platform Mode input J7-2 input = High The UGM shall assume a sta-
tion selection of Ground (J7-3 input = LOW) or (J7-2 input = LOW)