Generac Mobile G4-ECO, Owner'S Manual

Page: 37 / 44

Owner’s Manual for G4-ECO Light Tower 33
Troubleshooting
Section 5: Troubleshooting
General Troubleshooting
(000187)
WARNING
Electrocution. Potentially lethal voltages are generated
by this equipment. Render the equipment safe before
attempting repairs or maintenance. Failure to do so
could result in death or serious injury.
(000139)
WARNING
Risk of burns. Allow engine to cool before
draining oil or coolant. Failure to do so could
result in death or serious injury.
(000182a)
WARNING
Equipment damage. Only qualified service personnel may
install, operate, and maintain this equipment. Failure to
follow proper installation requirements could result in death,
serious injury, and equipment or property damage.
Some of the more common problems are listed in the fol-
lowing table. This information is intended to be a check or
verification that simple causes can be located and fixed.
It does not cover all types of problems. Refer to the OEM
engine operator’s manual for additional troubleshooting
information.
Procedures that require in-depth knowledge
or skills should be referred to a GMP ASD.
Problem Possible Cause Solution
Unit cranks, but will not
start
Low fuel level Verify fuel level in tank.
Restricted air filter Inspect air filter for blockage.
Fuel flow obstructed
Inspect fuel supply hose from tank to fuel filter for cracks and
abrasion.
Inspect for gelled fuel in fuel system in cold weather, especially at
fuel filter.
Check fuel pump operation.
Air in fuel system Purge air from fuel system.
Glow plug(s) inoperable
Refer to OEM engine operator’s manual for additional
information.
Unit starts, but stumbles
and dies
Low ambient temperature Verify if ambient temperature is within unit limits.
Intake heat inoperable Inspect engine air inlet heater functionality.
Air in fuel lines Purge air from fuel lines.
High coolant
temperature shutdown
Low coolant level
Allow engine to cool. Check coolant level in radiator. Add coolant
level if needed.
Blockage in radiator
Inspect radiator shroud and ducting for blockage and remove any
foreign matter.
Debris on radiator face Inspect for visible leaks. Check tension of water pump drive belt.
Broken coolant pump belt Contact a GMP ASD to replace.
Cooling fan inoperable Remove load on generator and restart engine.
Check coolant temperature and shut engine down immediately if
it starts to overheat.