JLG 400S Service And Maintenance Manual page 513

Help Message DTC
AUXILIARY LIFT DOWN VALVE - 33539 The UGM detects a short to battery at this output
SHORT TO BATTERY
AUXILIARY TOWER LIFT DOWN 33540 The UGM detects a short to ground at this output
VALVE - SHORT TO GROUND
AUXILIARY TOWER LIFT DOWN 33541 The UGM detects an open circuit at this output
VALVE - OPEN CIRCUIT
OSCILLATING AXLE #1 VALVE - 33543 The UGM detects a short to ground at this output
SHORT TO GROUND
OSCILLATING AXLE #1 VALVE - 33544 The UGM detects an open circuit at this output
OPEN CIRCUIT
OSCILLATING AXLE #1 VALVE - 33545 The UGM detects a short to battery at this output
SHORT TO BATTERY
OSCILLATING AXLE #2 VALVE - 33546 The UGM detects a short to ground at this output
SHORT TO GROUND
OSCILLATING AXLE #2 VALVE - 33547 The UGM detects an open circuit at this output
OPEN CIRCUIT
OSCILLATING AXLE #2 VALVE - 33548 The UGM detects a short to battery at this output
SHORT TO BATTERY
3121671
Table 6-11. Diagnostic Trouble Code Chart
Fault Condition/Trigger
(For configurable items, fault applies only if
configured. All listed conditions to be met
unless stated otherwise)
SECTION 6 - JLG CONTROL SYSTEM
Required Control
Conditions Required for Movement
Response or State
and/or to Clear Fault
Assignment
The UGM shall prohibit Power Cycled
Aux Lift Down;
The UGM shall open the
Auxiliary low side FET
The UGM shall prohibit Power Cycled
Aux Tower Lift Down
The UGM shall suspend The UGM no longer detects open circuit
Aux Tower Lift Down;
Aux Tower Lift Down per-
mitted after controls are
initialized
UGM shall disable Oscil- Power Cycled
lating Axle #1 valve and
Oscillating Axle #2 valve
outputs;
The UGM shall Lock the
Oscillating Axle
UGM shall disable Oscil- Power Cycled
lating Axle #1 valve and
Oscillating Axle #2 valve
outputs;
The UGM shall Lock the
Oscillating Axle
UGM shall disable Oscil- Power Cycled
lating Axle #1 valve and
Oscillating Axle #2 valve
outputs;
The UGM shall Lock the
Oscillating Axle
UGM shall disable Oscil- Power Cycled
lating Axle #1 valve and
Oscillating Axle #2 valve
outputs;
The UGM shall Lock the
Oscillating Axle
UGM shall disable Oscil- Power Cycled
lating Axle #1 valve and
Oscillating Axle #2 valve
outputs;
The UGM shall Lock the
Oscillating Axle
UGM shall disable Oscil- Power Cycled
lating Axle #1 valve and
Oscillating Axle #2 valve
outputs;
The UGM shall Lock the
Oscillating Axle
X
X
X
X X
X X
X X
X X
X X
X X
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