JLG 1850SJ Service Manual - Manual (Page 335)

SECTION 6 - JLG CONTROL SYSTEM
3121619 – JLG Lift – 6-53
CHECKING INPUTS Indicates that the inputs test is beginning. Every input is checked to ensure that it is in its “nor-
mal” 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 that can be reported include below messages.
CHECK XXXXXXX The named switch is not in its “normal” position. Check switch & wiring.
CHECK XXXXXXX JOY The named joystick appears to be faulty. Check joystick.
TESTING LAMPS Indicates that the lamps test is beginning. Each lamp is energized in turn; a prompt asks for con-
firmation that the lamp is lit.
ENTER must be pressed or clicked to continue the test.
NOTE: Lamps, which are not in use (due to the settings of machine digits), are not checked.
NOTE: Platform Lamps are only tested in platform mode.
NOTE: The GM overload lamp and 500# capacity lamp are not tested.
NOTE: Head and tail lamps are tested in both platform and ground mode if enabled by a machine
digit.
TESTING ALARMS Indicates that the alarms test is beginning. Each alarm is energized in turn; a prompt asks for con-
firmation that the alarm is sounding.
ENTER must be pressed or clicked to continue the test.
NOTE: The platform alarm and the horn are only tested in platform mode.
NOTE: The ground alarm is not tested if GROUND ALARM = NO.
Table 6-6. System Test Messages
Message Displayed on
Analyzer
Message Displayed on
Analyzer
Description