JLG 400S Service And Maintenance Manual page 512

SECTION 6 - JLG CONTROL SYSTEM
Help Message DTC
TOWER LIFT – CURRENT FEED- 33416 Measured feedback current < 225mA while PWM out-
BACK READING LOST
LIFT – CURRENT FEEDBACK 33417 Measured feedback current < 225mA while PWM out-
READING LOST
SWING – CURRENT FEEDBACK 33418 Measured feedback current < 225mA while PWM out-
READING LOST
FLOW CONTROL VALVE – CUR- 33419 Measured feedback current < 225mA while PWM out-
RENT FEEDBACK READING LOST
TOWER LIFT VALVES – SHORT 33425 The UGM detects a short to battery at either the Tower
TO BATTERY
AUXILIARY LIFT DOWN VALVE - 33537 The UGM detects a short to ground at this output
SHORT TO GROUND
AUXILIARY LIFT DOWN VALVE - 33538 The UGM detects an open circuit at this output
OPEN CIRCUIT
6-72
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)
put > 40% for a period of 100ms.
put > 40% for a period of 100ms.
put > 40% for a period of 100ms.
put > 40% for a period of 100ms.
Lift Up or Tower Lift Down valve.
Required Control
Conditions Required for Movement
Response or State
and/or to Clear Fault
Assignment
The UGM shall suspend Power Cycled
Tower Lift Up and Down
command and revert to
Open Loop Current control
for Tower Lift;
The UGM shall limit Tower
Lift Up and Down to Creep
speed after controls ini-
tialized
The UGM shall suspend Power Cycled
Lift Up and Down com-
mand and revert to Open
Loop Current control for
Lift;
The UGM shall limit Lift Up
and Down to Creep speed
after controls initialized
The UGM shall suspend Power Cycled
Swing Left and Right com-
mand and revert to Open
Loop Current control for
Swing;
The UGM shall limit Swing
Left and Right to Creep
speed after controls ini-
tialized
The UGM shall suspend Power Cycled
Flow Control and revert to
Open Current loop control
for Flow Control;
The UGM shall limit Tele-
scope In and Out, Jib Lift
Up and Down (400S,
450AJ), Platform Rotate
Right and Left and Plat-
form Level Up and Down
to Creep speed after con-
trols initialized
The UGM shall prohibit Power Cycled
Tower Lift Up and Down;
The UGM shall open the
Tower Lift Current Feed-
back low side FET
The UGM shall prohibit Power Cycled
Aux Lift Down
The UGM shall suspend The UGM no longer detects open circuit
Aux Lift Down;
Aux Lift Down permitted
after controls are initial-
ized
X
X X
X X
X X
X
X X
X X
3121671