JLG 400S Service And Maintenance Manual page 505

Help Message DTC
PLATFORM LEVEL DOWN VALVE 3389
– OPEN CIRCUIT
PLATFORM LEVEL DOWN VALVE 3390
– SHORT TO BATTERY
PLATFORM ROTATE LEFT VALVE 3394
– SHORT TO GROUND
PLATFORM ROTATE LEFT VALVE 3395
– OPEN CIRCUIT
PLATFORM ROTATE LEFT VALVE 3396
– SHORT TO BATTERY
PLATFORM ROTATE RIGHT 3397
VALVE – SHORT TO GROUND
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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)
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
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
SECTION 6 - JLG CONTROL SYSTEM
Required Control
Conditions Required for Movement
Response or State
and/or to Clear Fault
Assignment
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 Platform Level Down permit-
The UGM shall prohibit ted after controls are initialized
Platform Level Up;
(340AJ, 400S, 450AJ) The
UGM shall limit Platform
Level Down to Creep
speed after controls ini-
tialized;
(18RS, 24RS) Platform
Level Down permitted
after controls are initial-
ized
The UGM shall prohibit Power Cycled
Platform Level Up, Level
Down, and Flow Control
The UGM shall prohibit Power Cycled
Platform Rotate Left and
Right
The UGM shall suspend The UGM no longer detects open circuit;
Platform Rotate Left and (340AJ, 400S, 450AJ) Full speed Platform
Right; Rotate Left and Right permitted after con-
(340AJ, 400S, 450AJ) The trols are initialized
UGM shall limit Platform
Rotate Left and Right to
Creep speed after controls
initialized;
(18RS, 24RS) Platform
Rotate Left and Right per-
mitted after controls are
initialized
The UGM shall prohibit Power Cycled
Platform Rotate Left,
Right and Flow Control
Valve outputs
The UGM shall prohibit Power Cycled
Platform Rotate Left and
Right
X X
X X
X
X
X
X
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