SECTION 6 - JLG CONTROL SYSTEM
6-46
– JLG Lift –
3121659
AMBIENT TEMPERATURE SEN-
SOR – OUT OF RANGE HIGH
242
MACHINE SETUP > TEMP CUTOUT = YES;
Ambient Temperature sensor reading ≥ 85C
The UGM shall set Low Tem-
perature Cutout state =
Faulty
If the Machine is in Platform
Mode and if the Boom is
Above Elevation;
The UGM shall suspend
motion;
The UGM shall limit the
machine to Creep speed after
controls initialized
If the Machine is in Platform
Mode and if the Boom is not
Above Elevation;
The UGM shall limit Swing,
Tower Lift (340AJ. 450AJ),
Tele, Lift, Platform Rotate,
Platform Level, and Jib Lift (if
MACHINE SETUP > JIB = YES)
to Creep speed
If the Machine is in Ground
Mode;
No response required for this
DTC
Ambient Temperature sensor reading <
85C;
Full Speed permitted after controls are ini-
tialized
MODEL CHANGED – HYDRAU-
LICS SUSPENDED – CYCLE EMS
259
The MACHINE SETUP > MODEL NUMBER is changed using the
analyzer
Disable all machine and
engine functions (i.e., com-
mand engine shutdown and
do not permit start)
Power Cycled
GENERATOR MOTION CUTOUT
ACTIVE
2513
MACHINE SETUP > GEN SET = BELT DRIVE;
MACHINE SETUP > GEN SET CUTOUT = MOTION CUTOUT;
The platform Generator Switch is engaged
Footswitch State = Depressed
The machine is in Platform mode
The UGM shall not Enable the
Machine
Not all of the trigger conditions are met
BOOM PREVENTED – DRIVE
SELECTED
2514
MACHINE SETUP > FUNCTION CUTOUT = BOOM CUTOUT;
Drive or Steer is already engaged;
The boom is Above Elevation
The operator is attempting to activate one of the boom func-
tions
DTC 2514 supercedes DTC 2518 if drive/steer and boom func-
tions are both active when machine transitions from Below
Elevation to Above Elevation.
The UGM shall prohibit all
boom functions
Not all of the trigger conditions are met
DRIVE PREVENTED – ABOVE
ELEVATION
2516
MACHINE SETUP > FUNCTION CUTOUT = DRIVE CUTOUT
The boom is Above Elevation
The operator is attempting to activate Drive or Steer
The UGM shall prohibit Drive
and Steer
Not all of the trigger conditions are met
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
Summary of Contents for JLG 450AJ
Page 2: ......
Page 32: ...SECTION 1 SPECIFICATIONS 1 18 JLG Lift 3121659 NOTES...
Page 80: ...SECTION 4 BOOM PLATFORM 4 2 JLG Lift 3121659 Figure 4 1 Boom Assembly...
Page 81: ...SECTION 4 BOOM PLATFORM 3121659 JLG Lift 4 3 Figure 4 2 Main Boom Assembly Sheet 1 of 2...
Page 82: ...SECTION 4 BOOM PLATFORM 4 4 JLG Lift 3121659 Figure 4 3 Main Boom Assembly Sheet 2 of 2...
Page 83: ...SECTION 4 BOOM PLATFORM 3121659 JLG Lift 4 5 Figure 4 4 Upper Boom Assembly...
Page 84: ...SECTION 4 BOOM PLATFORM 4 6 JLG Lift 3121659 Figure 4 5 Jib Assembly...
Page 118: ...SECTION 4 BOOM PLATFORM 4 40 JLG Lift 3121659 NOTES...
Page 156: ...SECTION 5 BASIC HYDRAULIC INFORMATION HYDRAULIC SCHEMATICS 5 38 JLG Lift 3121659 NOTES...
Page 164: ...SECTION 6 JLG CONTROL SYSTEM 6 8 JLG Lift 3121659 Figure 6 2 Tilt Sensor Location...
Page 169: ...SECTION 6 JLG CONTROL SYSTEM 3121659 JLG Lift 6 13 Figure 6 7 Analyzer Connecting Points...
Page 181: ...SECTION 6 JLG CONTROL SYSTEM 3121659 JLG Lift 6 25 Figure 6 19 Platform Module Sheet 1 of 2...
Page 182: ...SECTION 6 JLG CONTROL SYSTEM 6 26 JLG Lift 3121659 Figure 6 20 Platform Module Sheet 2 of 2...
Page 224: ...SECTION 6 JLG CONTROL SYSTEM 6 68 JLG Lift 3121659 NOTES...
Page 340: ...SECTION 7 BASIC ELECTRICAL INFORMATION ELECTRICAL SCHEMATICS 7 116 JLG Lift 3121659 NOTES...
Page 341: ......
