JLG 600A_AJ Operator Manual - Manual (Page 62)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-18 – JLG Lift – 3121615
4. Footswitch/Enable Indicator
To operate any function, the footswitch must
be depressed and the function selected within
seven seconds. The enable indicator shows
that the controls are enabled. If a function is not selected
within seven seconds, or if a seven second lapse between
ending one function and beginning the next function, the
enable light will go out and the footswitch must be released
and depressed again to enable the controls.
Releasing the footswitch removes power from all controls
and applies the drive brakes.
TO AVOID SERIOUS INJURY, DO NOT REMOVE, MODIFY OR DISABLE THE FOOTSWITCH
BY BLOCKING OR ANY OTHER MEANS.
FOOTSWITCH MUST BE ADJUSTED IF FUNCTIONS ACTIVATE WHEN SWITCH ONLY
OPERATES WITHIN LAST 1/4" OF TRAVEL, TOP OR BOTTOM.
5. Glow Plug/Wait to Start Indicator
Indicates the glow plugs are operating. After
turning on ignition, wait until light goes out
before cranking engine.
6. Low Fuel Indicator (Yellow)
Indicates the fuel tank is 1/8 full or less. When
the light first turns on, there are approximately
four usable gallons of fuel remaining.
7. System Distress Indicator
The light indicates that the JLG Control System
has detected an abnormal condition and a
Diagnostic Trouble Code has been set in the
system memory. Refer to the Service Manual for instructions
concerning the trouble codes and trouble code retrieval.