Oshkosh Corporation JLG 450AJ, Service And Maintenance Manual

Page: 213 / 342

SECTION 6 - JLG CONTROL SYSTEM
3121659 – JLG Lift – 6-57
AUXILIARY LIFT DOWN VALVE -
OPEN CIRCUIT 33538 The UGM detects an open circuit at this output The UGM shall suspend Aux
Lift Down;
Aux Lift Down permitted
after controls are initialized The UGM no longer detects open circuit
AUXILIARY LIFT DOWN VALVE -
SHORT TO BATTERY 33539 The UGM detects a short to battery at this output The UGM shall prohibit
Aux Lift Down;
The UGM shall open the Aux-
iliary low side FET Power Cycled
AUXILIARY TOWER LIFT DOWN
VALVE - SHORT TO GROUND 33540 The UGM detects a short to ground at this output The UGM shall prohibit Aux
Tower Lift Down Power Cycled
AUXILIARY TOWER LIFT DOWN
VALVE - OPEN CIRCUIT 33541 The UGM detects an open circuit at this output The UGM shall suspend Aux
Tower Lift Down;
Aux Tower Lift Down permit-
ted after controls are initial-
ized The UGM no longer detects open circuit
OSCILLATING AXLE #1 VALVE -
SHORT TO GROUND 33543 The UGM detects a short to ground at this output UGM shall disable Oscillating
Axle #1 valve and Oscillating
Axle #2 valve outputs;
The UGM shall Lock the Oscil-
lating Axle Power Cycled
OSCILLATING AXLE #1 VALVE -
OPEN CIRCUIT 33544 The UGM detects an open circuit at this output UGM shall disable Oscillating
Axle #1 valve and Oscillating
Axle #2 valve outputs;
The UGM shall Lock the Oscil-
lating Axle Power Cycled
OSCILLATING AXLE #1 VALVE -
SHORT TO BATTERY 33545 The UGM detects a short to battery at this output UGM shall disable Oscillating
Axle #1 valve and Oscillating
Axle #2 valve outputs;
The UGM shall Lock the Oscil-
lating Axle Power Cycled
OSCILLATING AXLE #2 VALVE -
SHORT TO GROUND 33546 The UGM detects a short to ground at this output UGM shall disable Oscillating
Axle #1 valve and Oscillating
Axle #2 valve outputs;
The UGM shall Lock the Oscil-
lating Axle Power Cycled
OSCILLATING AXLE #2 VALVE -
OPEN CIRCUIT 33547 The UGM detects an open circuit at this output UGM shall disable Oscillating
Axle #1 valve and Oscillating
Axle #2 valve outputs;
The UGM shall Lock the Oscil-
lating Axle Power Cycled
OSCILLATING AXLE #2 VALVE -
SHORT TO BATTERY 33548 The UGM detects a short to battery at this output UGM shall disable Oscillating
Axle #1 valve and Oscillating
Axle #2 valve outputs;
The UGM shall Lock the Oscil-
lating Axle Power Cycled
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