JLG 510AJ Series II Operator Manual User Manual
Page 39
SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121292
– JLG Lift –
3-7
5. System Distress Indicator
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 system distress indicator light will illuminate for 2-3
seconds when the key is positioned to the on position to
act as a self test.
6. Low Fuel Level Indicator
Indicates that the fuel level is 1/8 full or less.
Illuminates when there are approximately
four gallons of fuel remaining.
7. Glow Plug Wait to Start Indicator
Indicates the glow plugs are on. The glow
plugs are automatically turned on with the
ignition circuit and remain on for approxi-
mately seven seconds. Start the engine only after the
light goes out.
8. Platform Overload Indicator. (If Equipped)
Indicates the platform has been over-
loaded.
9. Drive and Steer Disable Indicator (If
equipped)
Indicates the Drive and Steer Disable func-
tion has been activated.