Oshkosh JLG 520AJ, Operation And Safety Manual

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SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-8 – JLG Lift – 3121664
Ground Control Indicator Panel
(See Figure 3-3., Ground Control Indicator Panel.)
1. Battery Malfunction Indicator
Indicates a problem in the battery or charging
circuit, and service is required.
2. Low Engine Oil Pressure Indicator
Indicates that engine oil pressure is below nor-
mal and service is required.
3. High Engine Temperature Indicator
Indicates that engine coolant temperature is
abnormally high and service is required.
4. Engine Oil Temperature Indicator (Deutz)
Indicates that the temperature of the engine
oil, which also serves as engine coolant, is
abnormally high and service is required.
5. 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.
The system distress indicator light will illuminate for 2-3 sec-
onds when the key is positioned to the on position to act as
a self test.
6. Low Fuel Level Indicator
Indicates the fuel level is low. The Fuel
Reserve/Cut-Out System will shut the engine
down (or allow it start and run for an addi-
tional minute, depending upon machine setup) before the
fuel tank is emptied.
7. Glow Plug Indicator
Indicates the glow plugs are operating. After
turning on ignition, wait until light goes out
before cranking engine.