JLG 400S Service And Maintenance Manual page 514

SECTION 6 - JLG CONTROL SYSTEM
Help Message DTC
AUXILIARY VALVES - SHORT TO 33567 The UGM detects a short to battery at either the Aux Lift
BATTERY
AUXILIARY - CURRENT FEED- 33568 Measured feedback current < 225mA while output is
BACK READING LOST
ECM PULL DOWN RESISTOR - 33575 MACHINE SETUP > ENGINE = DEUTZ EMR4;
OPEN CIRCUIT
PLATFORM ROTATE LEFT VALVE 349
– OPEN CIRCUIT
PLATFORM ROTATE LEFT VALVE 3410
– SHORT TO BATTERY
PLATFORM ROTATE LEFT VALVE 3411
– SHORT TO GROUND
PLATFORM ROTATE RIGHT 3412
VALVE – OPEN CIRCUIT
PLATFORM ROTATE RIGHT 3413
VALVE – SHORT TO BATTERY
PLATFORM ROTATE RIGHT 3414
VALVE – SHORT TO GROUND
6-74
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)
Down or Aux Tower Lift Down valve
active for a period of 100ms.
Pull down resister not detected
The PM detects an open circuit at this output and
reports it to the UGM
The PM detects a short to battery at this output and
reports it to the UGM
The PM detects a short to ground at this output and
reports it to the UGM
The PM detects an open circuit at this output and
reports it to the UGM
The PM detects a short to battery at this output and
reports it to the UGM
The PM detects a short to ground at this output and
reports it to the UGM
Required Control
Conditions Required for Movement
Response or State
and/or to Clear Fault
Assignment
The UGM shall prohibit Power Cycled
Aux Lift Down and Aux
Tower Lift Down;
The UGM shall open the
Auxiliary low side FET
The UGM shall suspend Power Cycled
Aux Lift Down and Aux
Tower Down (450AJ);
Aux Lift Down and Aux
Tower Down (450AJ) per-
mitted after controls are
initialized
The UGM shall send the Power Cycled
Engine Shutdown com-
mand
The UGM shall suspend The PM no longer detects open circuit;
commands to PM for Plat- Full speed Platform Rotate Right and Left
form Rotate Right and permitted after controls are initialized
Left;
The UGM shall limit Plat-
form Rotate Right and Left
to Creep speed after con-
trols are initialized
The UGM shall disable Power Cycled
commands to PM for Plat-
form Rotate Right and
Left;
The UGM shall prohibit
Flow Control
The UGM shall disable Power Cycled
commands to PM for Plat-
form Rotate Right and Left
The UGM shall suspend The PM no longer detects open circuit;
commands to PM for Plat- Full speed Platform Rotate Right and Left
form Rotate Right and permitted after controls are initialized
Left;
The UGM shall limit Plat-
form Rotate Right and Left
to Creep speed after con-
trols are initialized
The UGM shall disable Power Cycled
commands to PM for Plat-
form Rotate Right and
Left;
The UGM shall prohibit
Flow Control
The UGM shall disable Power Cycled
commands to PM for Plat-
form Rotate Right and Left
X
X X
X X
X
X
X
X
X
X
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