JLG 400S Service And Maintenance Manual page 496

SECTION 6 - JLG CONTROL SYSTEM
Help Message DTC
FUNCTION PROBLEM - DOS 2264
OVERRIDE PERMANENTLY
SELECTED
FUNCTION PROBLEM - SOFT 2286
TOUCH / SKYGUARD OVERRIDE
PERMANENTLY SELECTED
FUNCTION SWITCHES FAULTY - 234
CHECK DIAGNOSTICS/BOOM
FUNCTION SWITCHES LOCKED - 235
SELECTED BEFORE AUX POWER
FUNCTION SWITCHES LOCKED - 236
SELECTED BEFORE START
SWITCH
START SWITCH LOCKED - 237
SELECTED BEFORE KEYSWITCH
FUNCTION PROBLEM - 2310
GROUND ENABLE PERMA-
NENTLY SELECTED
BOOM ANGLE SENSOR – NOT 2343
CALIBRATED
6-56
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 is in Platform Mode;
The DOS Override switch input = High at Startup
[(MACHINE SETUP > SKYGUARD = YES) or (MACHINE
SETUP > SOFT TOUCH = YES)];
Machine is in Platform Mode;
The Soft Touch / SkyGuard Override switch input = High
at Startup
The UGM detects one of the following conditions (con-
tinuous monitoring):
The machine is in Ground Mode and both direction
inputs of the following boom controls are engaged at
the same time: Engine Start/Aux, Telescope, Platform
Level, Platform Rotate, Jib Lift, Tower Lift, Lift, or Swing.
The machine is in Platform Mode and both direction
inputs of the following boom controls are engaged at
the same time: Engine Start/Aux, Telescope, Platform
Level, Platform Rotate, Jib Lift (MACHINE SETUP > JIB =
YES), Tower Lift (340AJ, 450AJ); or for Drive Mode –
Max Speed/Max Torque
The UGM detects one of the following conditions:
The machine is in Ground Mode and the engine is
stopped and the ground APU/Function Enable switch
becomes engaged while a Ground control input is
already engaged.
The machine is in Platform Mode and the engine is
stopped and the platform APU/Auxiliary Descent
switch becomes engaged while a Platform control
input is already engaged.
The UGM detects one of the following conditions:
The machine is in Ground Mode and the engine is
stopped and any configured boom control is already
engaged and the ground start switch changes from not
engaged to engaged
The machine is in Platform Mode and the engine is
stopped and any drive/steer or configured boom con-
trol is already engaged and the footswitch is not
engaged and the platform start switch changes from
not engaged to engaged
The start switch for the selected station is engaged dur-
ing the UGM startup sequence
Machine is in Ground Mode;
The Ground Enable switch input = High at Startup
The Boom Angle Sensor has not been calibrated
Required Control
Conditions Required for Movement
Response or State
and/or to Clear Fault
Assignment
No response required for The DOS Override switch input = Low
this DTC
No response required for The Soft Touch / SkyGuard Override switch
this DTC input = Low
Disable whichever boom None of the boom controls that trigger this
functions whose boom fault have both of their direction inputs
control inputs are trigger- engaged at the same time
ing the fault. If Engine
Start/Aux at fault, disable
Engine Start but permit
Auxiliary Power/Emer-
gency Descent.
The UGM not enable Aux- The applicable APU/Auxiliary Descent
iliary Power/ Emergency switch is disengaged or all applicable con-
Descent mode trol inputs become disengaged or the
engine state becomes ENGINE RUNNING
The UGM shall prohibit The selected station's start switch is no lon-
Engine Start ger engaged
The UGM shall prohibit The selected station's start switch is no lon-
Engine Start ger engaged
The UGM shall prohibit Controls initialized
Engine Start;
The UGM shall not Enable
the Machine
The UGM shall assume the Boom angle sensor calibrated
Boom is Above Elevation;
The UGM shall report a
faulted boom angle of 90
degrees
X X
X X
X X
X X
X X
X X
X X
X X
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