JLG 800A Operation And Safety Manual page 52

1. Battery Discharging Indicator
When illuminated indicates a problem in the battery or
charging circuit, and service is required.
2. Engine Oil Pressure Indicator
When illuminated indicates that engine oil pressure is below
normal and service is required.
3. Engine Coolant Temperature Indicator (Ford)
When illuminated indicates that engine coolant tempera-
ture is abnormally high and service is required.
4. Engine Oil Temperature Indicator (Deutz)
When illuminated indicates that the temperature of the
engine oil, which also serves as engine coolant, is abnor-
mally high and service is required.
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SECTION 3 - MACHINE CONTROLS AND INDICATORS
5. Engine Malfunction Indicator Light (Ford Engines prior to S/
N 0300062045)
Indicates that the Engine Control Module has detected a
malfunction in the Electronic Fuel Injection System and a
Diagnostic Trouble Code has been set in the ECM. 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.
6. Low Fuel Level Indicator (N/A for liquid propane)
When illuminated indicates that the fuel level is 1/8 full or
less. When the light first turns on, there are approximately
four usable gallons of fuel remaining.
7. Glow Plug Indicator (If Equipped)
When illuminated the glow plugs are operating. After turn-
ing on ignition, wait until light goes out before cranking
engine.
– JLG Lift – 3-7