JLG 400S Service And Maintenance Manual page 509

Help Message DTC
GLOWPLUG – SHORT TO 33281 MACHINE SETUP > ENGINE ≠ DUAL FUEL ECM
GROUND
LIFT – CURRENT FEEDBACK 33287 The Engine State = ENGINE RUNNING;
READING TOO LOW
SWING LEFT VALVE – OPEN CIR- 33295 The UGM detects an open circuit at this output
CUIT
FLOW CONTROL VALVE – OPEN 33314 The UGM detects an open circuit at this output
CIRCUIT
FLOW CONTROL VALVE – 33315 The UGM detects a short to battery at this output
SHORT TO BATTERY
FLOW CONTROL VALVE – 33316 The UGM detects a short to ground at this output
SHORT TO GROUND
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)
MACHINE SETUP > ENGINE ≠ DEUTZ EMR4
MACHINE SETUP > GLOW PLUG ≠ NO
The UGM detects a short to ground at this output
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
Disable UGM Glow Plug Power Cycled
relay output
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 The UGM no longer detects open circuit;
Swing Left and Right com- Full speed Swing Left and Right permitted
mand and revert to Open after controls are initialized
Loop Current control for
Swing;
The UGM shall limit Swing
Left and Right to Creep
speed after controls ini-
tialized
The UGM shall suspend The UGM no longer detects open circuit;
Flow Control and revert to Full speed Telescope, Jib Lift Up, Jib Lift
Open Current loop control Down (400S, 450AJ), Platform Rotate and
for Flow Control; Platform Level permitted after controls are
The UGM shall limit Tele- initialized
scope, Jib Lift Up, Jib Lift
Down (400S, 450AJ), Plat-
form Rotate and Platform
Level to Creep speed after
controls initialized
The UGM shall prohibit Power Cycled
Flow Control, Telescope,
Jib Lift Up (permitted if
operating in Auxiliary
Power/Emergency
Descent mode), Jib Lift
Down (permitted if oper-
ating in Auxiliary Power/
Emergency Descent
mode)(400S, 450AJ),
Platform Rotate and Plat-
form Level
The UGM shall prohibit Power Cycled
Flow Control, Telescope,
Jib Lift Up, Jib Lift Down
(400S, 450AJ), Platform
Rotate and Platform Level
X X
X X
X X
X X
X X
X X
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