JLG M600 Service Manual User Manual
Page 198

SECTION 6 - JLG CONTROL SYSTEM
6-32
– JLG Lift –
3121813
CHECKING INPUTS
Indicates that the inputs test is beginning.
Every input is checked to ensure that it is in its “normal” position; function switches should be open, cutout switches
should
be closed, joysticks should be in neutral.
In platform mode any non-neutral platform switch or joystick is reported; any active cutouts are reported.
In ground mode any non-neutral ground switches is reported; any active cutouts are reported.
NOTE: switches which are not in use (due to the settings of machine digits) are not checked.
NOTE: the pump pot is checked only for a wire-off condition; it can be at any demand from creep to maximum.
Problems which can be reported include:
CHECK switchname
The named switch is not in its “normal” position.
Check switch & wiring.
CHECK switchname JOY.
The named joystick appears to be faulty.
Check joystick.
INPUTS DONE
Indicates that the inputs test is complete (with or without faults).
TESTING LAMPS
Indicates that the lamps test is beginning.
Each lamp is energized in turn; a prompt asks for confirmation that the lamp is lit - ENTER must be pressed to continue
the test.
NOTE: lamps which are not in use (due to the settings of machine digits) are not checked.
NOTE: lamps are only tested in platform mode.
Problems which can be reported include:
lampname S/C
A short-circuit condition appeared while the named lamp was being tested, presumably because it is short-circuit.
LAMP TEST DONE
Indicates that the lamps test is complete.
TESTING ALARMS
Indicates that the alarms test is beginning.
Each alarm is energized in turn; a prompt asks for confirmation that the alarm is sounding - ENTER must be pressed to
continue the test.
NOTE: the platform alarm is only tested in platform mode.
NOTE: the ground alarm is not tested if GROUND ALARM = NO.
Problems which can be reported include:
alarmname S/C
A short-circuit condition appeared while the named alarm was being tested, presumably because it is short-circuit.
ALARM TEST DONE
Indicates that the alarms test is complete.
Table 6-11. System Test Messages