JLG 400S Service And Maintenance Manual page 511

Help Message DTC
DRIVE – LOSS OF CURRENT 33410 Measured feedback current < 225mA while PWM out-
FEEDBACK
SWING VALVES – SHORT TO 33412 The UGM detects a short to battery at either the Swing
BATTERY
TOWER LIFT – CURRENT FEED- 33413 The Engine State = ENGINE RUNNING;
BACK READING TOO LOW
SWING – CURRENT FEEDBACK 33414 The Engine State = ENGINE RUNNING;
READING TOO LOW
FLOW CONTROL VALVE – CUR- 33415 The Engine State = ENGINE RUNNING;
RENT FEEDBACK READING TOO
LOW
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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.
Right or Swing Left valve
The UGM commanded current > 250mA;
The difference between the commanded current and
the measured feedback current > [the larger of
(125mA) or (15% of the commanded function Max)]
for longer than 1 second
The UGM commanded current > 250mA;
The difference between the commanded current and
the measured feedback current > [the larger of
(125mA) or (15% of the commanded function Max)]
for longer than 1 second
The UGM commanded current > 250mA;
The difference between the commanded current and
the measured feedback current > [the larger of
(125mA) or (15% of the commanded function Max)]
for longer than 1 second
SECTION 6 - JLG CONTROL SYSTEM
Required Control
Conditions Required for Movement
Response or State
and/or to Clear Fault
Assignment
The UGM shall suspend Power Cycled
Drive Forward and
Reverse command and
revert to Open Current
loop control for Drive;
The UGM shall limit Drive
Forward and Reverse to
Creep speed after controls
initialized
The UGM shall prohibit Power Cycled
Swing Left and Right;
The UGM shall open the
Swing Current Feedback
low side FET
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
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, Jib Lift Up; Jib Lift
Down (400S, 450AJ), Plat-
form Rotate and Platform
Level to Creep speed after
controls initialized
X X
X X
X
X X
X X
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