troubleshooting

 

 

 

 

 

 

 

 

Table 7. Generator Troubleshooting

Symptom

Possible Problem

 

Solution

Low voltage

Engine speed too low?

 

Raise engine speed to rated RPM.

 

AC voltmeter not working?

 

Replace Ac voltmeter.

 

Control box internal wiring

 

Check control box wiring.

 

malfunction?

 

 

 

 

Low voltage. Engine speed normal

Defective ignition coil?

 

Check red and green ignition wires.

 

Replace ignition wires if necessary.

 

 

3650 RPM (unloaded), 2500 RPM

 

 

 

Rotor winding malfunction?

 

Check or replace rotor.

(idle)

 

Stator winding malfunction?

 

Check or replace stator.

 

 

 

Leakage breaker malfunction?

 

Check or replace CB1.

 

Full power switch malfunction?

 

Check full power switch and full power

 

 

switch circuit.

 

 

 

Voltage output too high.

Engine speed too high?

 

Lower engine speed to rated RPM.

Voltage output too high. Engine speed

Control box internal wiring

 

Check control box wiring.

normal 3650 RPM (unloaded), 2500

malfunction

 

RPM (idle)

 

 

 

 

 

Circuit breaker will not turn on "NO

Defective circuit breaker?

 

Replace circuit breaker.

LOAD"

 

 

 

 

Circuit breaker will turn on "LOADED"

Overload Condition?

 

Reduce load or replace breaker.

 

 

 

but trips immediately.

Load circuit is shorted?

 

Check load circuit for short.

 

 

 

 

Does not accelerate from low to high

Stuck solenoid?

 

Check solenoid.

"NO LOAD"

Bad Idle control switch?

 

Check or replace idle control switch.

Does not accelerate from low to high

Idle control switch malfunction?

 

Check or replace idle control switch.

Idle control device malfunction?

 

Check or replace idle control device.

"LOAD ACTIVE"

 

Control box interal wiring defective?

 

Check control box wiring.

 

 

 

Defective rotor windings?

 

Check or replace rotor.

Does not decelerate no"VOLTAGE

Defective solenoid?

 

Check or replace solenoid.

OUTPUT".

Defective idle control device?

 

Check or replace idle control device.

 

Defective solenoid?

 

Check or replace idle control device.

 

Control box wiring malfunction?

 

Check control box wiring, replace any

Does not decelerate but has

 

defective components.

 

 

"VOLTAGE OUTPUT".

Defective solenoid?

 

Check or replace solenoid.

 

Idle control device malfunction?

 

Check or replace idle control device.

gac2.2H 60 hz GENERATOR • operation and parts manual — rev. #1 (03/31/10) — page 29

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Multiquip GAC2.2H manual Symptom Possible Problem Solution