SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121159
– JLG Lift –
3-7
5.
Engine Malfunction Indicator Light (Ford Engines prior
to S/N 62045)
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 approxi-
mately four usable gallons of fuel remaining.
7.
Glow Plug Indicator (If Equipped)
When illuminated the glow plugs are operating. After
turning on ignition, wait until light goes out before crank-
ing engine.
8.
Boom Malfunction Indicator
If the Boom Malfunction Indicator illuminates when
attempting to activate a tower boom function, the func-
tion is being cutout by tower boom limit switch. The
function is not permitted at the current boom configura-
tion.
If the Boom Malfunction Indicator is flashing or on
steady without a boom function attempt, the upright is
out of alignment or the monitoring system is in need of
calibration.
DISCONTINUE OPERATION IF THE BOOM MALFUNCTION LIGHT IS
FLASHING OR ON STEADY.
IF THE UPRIGHT IS OUT OF ALIGNMENT WITH THE PLATFORM RAISED,
LOWER THE MAIN BOOM AND TELESCOPE OUT UNTIL THE PLATFORM
REACHES THE GROUND. THE TOWER BOOM DOWN FUNCTION IS CUT
OUT IN THIS CONDITION. REPORT THE PROBLEM TO THE PROPER SER-
VICE PERSONNEL. DO NOT OPERATE THE MACHINE UNTIL THE MAL-
FUNCTION IS CORRECTED.
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