JLG E450A Service And Maintenance Manual page 389

DTC Cat DTC Num
24 1 AMBIENT TEMPERATURE SENSOR - OUT OF
RANGE LOW
24 2 AMBIENT TEMPERATURE SENSOR - OUT OF
RANGE HIGH
25 3 DRIVE PREVENTED - CHARGER CONNECTED
25 9 MODEL CHANGED - HYDRAULICS SUSPENDED -
CYCLE EMS
25 14 BOOM PREVENTED - DRIVE SELECTED
25 16 DRIVE PREVENTED - ABOVE ELEVATION
25 18 DRIVE PREVENTED – BOOM SELECTED
25 38 FUNCTION PREVENTED – CHARGER CON-
NECTED
25 48 SYSTEM TEST MODE ACTIVE
25 49 DRIVE & BOOM PREVENTED - SOFT TOUCH
ACTIVE
25 63 SKYGUARD SWITCH – DISAGREEMENT
25 64 DRIVE PREVENTED – LEFT BRAKE NOT RELEAS-
ING
25 65 DRIVE PREVENTED – RIGHT BRAKE NOT
RELEASING
25 68 TEMPERATURE CUTOUT ACTIVE – AMBIENT
TEMPERATURE TOO LOW
3121714
Table 6-17. Diagnostic Trouble Codes
DTC Text
System is in platform mode;
MACHINE SETUP -> TEMP CUTOUT = yes;
Low Temperature Cutout Sensor reads less than or
equal to -50 °C.
System is in platform mode;
MACHINE SETUP -> TEMP CUTOUT = yes;
Low Temperature Cutout Sensor reads greater than
or equal to 85° C.
MACHINE SETUP => CHARGER INTERLOCK = DRIVE
ONLY;
The MACHINE SETUP => MODEL has changed
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 functions DTC 2514 supersedes DTC 2518 if
drive/steer and boom functions are both active
when machine transitions from Below Elevation to
Above Elevation.
MACHINE SETUP => FUNCTION CUTOUT = DRIVE
CUTOUT;
The boom is Above Elevation;
The operator is attempting to activate Drive or
Steer;
MACHINE SETUP => FUNCTION CUTOUT = DRIVE
CUTOUT;
The boom is Above Elevation;
The operator is attempting to activate Drive or
Steer;
MACHINE SETUP => CHARGER INTERLOCK = CUT-
OUT ALL;
MTM reports charger connected;
UGM determines that machine is Enabled, and a
function command was attempted.
UGM determines that System Test Mode is active
MACHINE SETUP SOFT TOUCH = YES;
Machine is in Platform Mode;
Soft Touch State = Enabled
MACHINE SETUP  SKYGUARD ≠ NO;
Machine is in Platform Mode; [(SkyGuard input #1
Platform Module J7-18) ≠ (SkyGuard input #2 Plat-
form Module J1-23)] > 160ms
Module detects brakes have not released because
EB coil is damaged
Module detects brakes have not released because
EB coil is damaged
Low Temperature Cutout = Active
SECTION 6 - JLG CONTROL SYSTEM
Fault Description
Ambient Temperature sensor reading > -50 °C
THEN speed restrictions removed after controls
are initialized
Ambient Temperature sensor reading > -50 °C ;
Speed restrictions removed after controls are ini-
tialized
Trigger conditions not true;
Restrictions remove after CntIni
Power cycle
Not all of the trigger conditions are met
Not all of the trigger conditions are met
Not all of the trigger conditions are met
Not all of the trigger conditions are met;
Restricts removed after CntIni
Power cycled
Not all of the trigger conditions are met
[{SkyGuard inputs (Platform Module J7-18 =
High) and (Platform Module J1-23 = High)} and
(Footswitch State = Not Depressed)]
Power cycle
Power cycle
Low Temperature Cutout = Inactive; speed
restrictions removed after controls are initialized
Solution
6-73