JLG 510AJ Operator Manual - Manual (Page 53)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121179 – JLG Lift – 3-19
6. Low Fuel Indicator (Yellow)
Indicates the fuel tank is 1/8 full or less. When the light
first illuminates, there are approximately four usable gal-
lons of fuel remaining.
7. Creep Speed Indicator
Illuminates when the Function Speed Control is turned
to the creep position.
8. System Malfunction Indicator
The light indicates that the JLG Control System has
detected a malfunction 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.
The malfunction indicator light will illuminate for 2-3 sec-
onds when the key is positioned to the on position to act
as a self test.
9. Soft Touch Indicator (If Equipped)
Illuminates when the Soft Touch bumper is against an
object. All controls are cut out until the override button is
pushed, at which time controls are active in the Creep
mode.
10. Drive Orientation Indicator
When the boom is swung beyond the rear drive tires or
further in either direction, the Drive Orientation indicator
will illuminate when the drive function is selected. This is
a signal for the operator to activate the Drive Orientation
Override Switch and verify the drive control direction is
correct.