JLG 1850SJ Operation & Safety Manual page 59

Engine Error
Indicates a fault with the engine and service is required.
Footswitch Enable
To operate any function, the footswitch must be pressed down and the function selected within
seven seconds. The enable indicator shows that the controls are enabled. If a function is not selected
within seven seconds, or if a seven second lapse between ending one function and beginning the
next function, the enable light will go out and the footswitch must be released and pressed again to
enable the controls.
Releasing the footswitch removes power from all controls and applies the drive brakes.
To avoid serious injury, do not remove, modify or disable the footswitch by
blocking or any other means.
Fuel Gauge
Indicates the level of the fuel in the fuel tank.
Glow Plug
Indicates the glow plugs are operating. After turning on ignition power, wait until light goes out
before cranking engine.
Jib Lock Indicator
When illuminated indicates the jib lock pins are set in place.
Level System
Indicates a fault in the electronic leveling system. The fault indicator will flash and an alarm will
sound. All functions will default to creep if the boom is extended past transport mode or elevated
more than 8 degrees above horizontal.
Platform Overload
Indicates the platform has been overloaded.
1850SJ
WARNING
31222393
Machine Controls and Indicators
F
½
E
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