Generac Power Systems MAGNUM MLT6SMDS User Manual

Troubleshooting
Owner’s Manual for MLT6SMDS - MLT6SKDS Light Tower 43
Section 5: Troubleshooting
General Troubleshooting
Some of the more common problems are listed in the
table below. 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.
If problems persist, contact Generac Mobile Products, LLC at 1-800-926-9768 for assistance.
(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.
Table 5-1. General Troubleshooting Guide
Problem Possible Cause Solution
Low oil pressure
shutdown
Low oil level Verify oil level on dipstick. Add oil, if needed.
Oil leaking from engine Inspect the engine for leaks.
Oil pressure switch failure
Refer to OEM engine operator’s manual to identify corrective
action.
High coolant
temperature shutdown
Low coolant level
Add coolant if needed. Allow engine to cool, then check coolant
level in radiator. Restart engine and check coolant temperature.
Stop engine immediately if coolant temperature is 210 °F (99 °C)
or more.
Blockage in radiator
Inspect radiator shroud and ducting for blockage and remove any
foreign matter.
Leakage in coolant hoses,
engine block, or water pump
Inspect for visible leaks. Verify tension of water pump serpentine
drive belt.
Remove load on generator and restart engine. Verify coolant
temperature and shut engine down immediately if it starts to
overheat. Refer to the OEM engine operator’s manual for
additional information on engine overheating.
Faulty thermostat Contact a GMP ASD to replace.
Water pump failure Contact a GMP ASD to replace.
Incorrect mix/frozen radiator
Thaw the radiator with an external heat source and flush the
coolant system with the correct coolant mixture.
Unit cranks, but will not
start
Low fuel level
Check fuel level in tank.
Verify fuel pump operation.
Restricted air filter
Inspect air filter for blockage.
Refer to OEM engine operator’s manual for additional
information.
PAS engaged Verify PAS is off.

Generac Power Systems MAGNUM MLT6SMDS Specifications

General

Brand	Generac Power Systems
Model	MAGNUM MLT6SMDS
Category	Construction Equipment
Language	English