Generac Power Systems Magnum MGG100M User Manual

Troubleshooting
58 MGG100M Operating Manual 36833 C
Low output
voltage
Low engine speed
Excessive load
High resistance connections—
connections are warm or hot
Internal failure of alternator
Low power factor
Verify engine RPM
Check engine for malfunction or system for overload.
Reduce load
Verify all connections and terminal tightness
Contact Generac Mobile Products Technical Service
Reduce inductive (motor) load—some AC motors use
about the same current regardless of load—do not use
motors of greater horsepower rating than necessary to
move the mechanical load
High output
voltage
Faulty wiring
Failed AVR module
Check wiring
Replace AVR module
Electrical
shock when
frame is
touched
Static charge
Grounded armature or field coil
Ground generator frame at local reference ground
Contact GMPASD
Mechanical
noise
Internal failure of alternator
Loose flexplate
Engine fan or belts issues
Contact GMPASD
Tighten flexplate to flywheel and alternator shaft
Contact Generac Mobile Products Technical Service
Engine loses
frequency,
stalls, or
switches to
LPL fuel
Diameter of pipes is too small
between fuel source and unit
Install pipes of appropriate diameter
Symptom Possible Cause Solution

Generac Power Systems Magnum MGG100M Specifications

General

Brand	Generac Power Systems
Model	Magnum MGG100M
Category	Inverter
Language	English