JLG 600A Operation And Safety Manual page 56

SECTION 3 - MACHINE CONTROLS AND INDICATORS
On machines after S/N 64249, the light indicates that the
JLG Control System has detected an abnormal condi-
tion 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.
8. AC Generator (Green)
Indicates the generator is in operation.
9. Soft Touch Indicator (If Equipped)
Indicates 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. Creep Speed Indicator
When the Function Speed Control is turned to the creep
position, the indicator acts as a reminder that all func-
tions are set to the slowest speed.
3-20
11. 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.
– JLG Lift – 3121204