JLG 400S Service And Maintenance Manual page 504

SECTION 6 - JLG CONTROL SYSTEM
Help Message DTC
GEN SET/WELDER – SHORT TO 3373
GROUND
GEN SET/WELDER – OPEN CIR- 3374
CUIT
GEN SET/WELDER – SHORT TO 3375
BATTERY
HEAD TAIL LIGHT – SHORT TO 3376
GROUND
HEAD TAIL LIGHT – OPEN CIR- 3377
CUIT
HEAD TAIL LIGHT – SHORT TO 3378
BATTERY
PLATFORM LEVEL UP VALVE – 3382
SHORT TO GROUND
PLATFORM LEVEL UP VALVE – 3383
OPEN CIRCUIT
PLATFORM LEVEL UP VALVE – 3384
SHORT TO BATTERY
PLATFORM LEVEL DOWN VALVE 3388
– SHORT TO GROUND
6-64
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 > GEN SET = BELT DRIVE and the UGM
detects a short to ground at this output
MACHINE SETUP > GEN SET = BELT DRIVE and the UGM
detect an open circuit at this output
MACHINE SETUP > GEN SET = BELT DRIVE and the UGM
detects a short to battery at this output
MACHINE SETUP > H & T LIGHTS =YES and the UGM
detects a short to ground at this output
MACHINE SETUP > H & T LIGHTS =YES and the UGM
detects an open circuit at this output
MACHINE SETUP > H & T LIGHTS =YES and the UGM
detects a short to battery at this output
The UGM detects a short to ground at this output
The UGM detects an open circuit at this output
The UGM detects a short to battery at this output
The UGM detects a short to ground at this output
Required Control
Conditions Required for Movement
Response or State
and/or to Clear Fault
Assignment
Disable UGM Generator Power Cycled
output. Do not Enable
generator functionality or
set Engine to Generator
RPM.
No response required for Power Cycled
this DTC
Disable UGM Generator Power Cycled
output, but UGM shall
consider Generator
always excited (enabled)
and restrict engine to
Generator RPM. If
MACHINE SETUP >
GENSET CUTOUT =
MOTION CUTOUT, disre-
gard cutout and permit
motion.
Disable UGM H&T Light Power Cycled
relay output
No response required for Power Cycled
this DTC
Disable UGM H&T Light Power Cycled
relay output
The UGM shall prohibit Power Cycled
Platform Level Up;
(340AJ, 400S, 450AJ) The
UGM shall limit Platform
Level Down to Creep
speed
The UGM shall suspend The UGM no longer detects open circuit;
Platform Level Up and (340AJ, 400S, 450AJ) Full speed Platform
Down; Level Up and Down permitted after controls
(340AJ, 400S, 450AJ) The are initialized
UGM shall limit Platform
Level Up and Down to
Creep speed after controls
initialized;
(18RS, 24RS) Platform
Level Up and Down per-
mitted after controls are
initialized
The UGM shall prohibit Power Cycled
Platform Level Up, Level
Down, and Flow Control
The UGM shall prohibit Power Cycled
Platform Level Up and
Down
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
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