JLG 800AJ HC3 Operation & Safety Manual page 49

Machine Controls and Indicators
Engine Error
Indicates a fault with the engine and service is required or is requesting a cleaning sequence.
Fuel Gauge
F
Indicates the level of the fuel in the fuel tank.
½
E
Glow Plug
Indicates the glow plugs are on. The glow plugs are automatically turned on with the ignition
circuit and remain on for approximately seven seconds. Start the engine only after the light goes
out.
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800AJ HC3 31222411