Milwaukee 4970-24 Troubleshooting, Problem, Cause, Correction, output is available, are connected

Models: 4960-24 4970-24

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Troubleshooting

Troubleshooting

Problem

Cause

Correction

 

1.

GFCI circuit breaker is open.

1.

Reset circuit breaker.

Engine is running, but no AC

2.

Fault in generator.

2.

Contact authorized service facility.

3.

Poor connection or defective cord set.

3.

Check and repair.

output is available.

4.

Connected device is bad.

4.

Connect another device that is in good

 

 

 

 

 

condition.

 

 

 

 

 

 

1.

Short circuit in a connected load.

1.

Disconnect shorted electrical load.

Engine runs good at no-load

2.

Engine speed is too slow.

2.

Contact authorized service facility.

but “bogs down” when loads

3.

Generator is overloaded.

3.

See Don’t Overload Generator.

are connected.

4.

Shorted generator circuit.

4.

Contact authorized service facility.

 

5.

Clogged or dirty fuel filter.

5.

Clean or replace fuel filter.

 

1.

Engine switch set to “Off” position.

1.

Set switch to “On” position.

 

2.

Fuel valve is in “Off” position.

2.

Turn fuel valve to “On” position.

 

3.

Low oil level.

3.

Fill crankcase to proper level or place

 

 

 

 

generator on level surface.

 

4.

Dirty air cleaner.

4.

Clean or replace air cleaner.

 

5.

Clogged or dirty fuel filter.

5.

Clean or replace fuel filter.

 

6.

Out of fuel.

6.

Fill fuel tank.

 

7.

Stale fuel.

7.

Drain fuel tank and carburetor; fill with

Engine will not start; or starts

 

 

 

fresh fuel.

and runs rough.

8.

Spark plug wire not connected to spark

8.

Connect wire to spark plug.

 

 

plug.

 

 

 

9.

Bad spark plug.

9.

Replace spark plug.

 

10.

Water in fuel.

10.

Drain fuel tank and carburetor; fill with

 

 

 

 

fresh fuel.

 

11.

Flooded.

11.

Wait 5 minutes and re-crank engine.

 

12.

Excessively rich fuel mixture.

12.

Contact authorized service facility.

 

13.

Intake valve stuck open or closed.

13.

Contact authorized service facility.

 

14.

Engine has lost compression.

14.

Contact authorized service facility.

 

1.

Out of fuel.

1.

Fill fuel tank.

Engine shuts down when

2.

Clogged or dirty fuel filter.

2.

Clean or replace fuel filter.

running.

3.

Low oil level.

3.

Fill crankcase to proper level or place

 

 

 

 

generator on level surface.

Engine lacks power.

1.

Load is too high.

1.

See Don’t Overload Generator.

 

2.

Dirty air filter.

2.

Replace air filter.

 

3.

Clogged or dirty fuel filter.

3.

Clean or replace fuel filter.

Engine “hunts” or falters.

1.

Carburetor is running too rich or too

1.

Contact authorized service facility.

 

 

lean.

 

 

 

2.

Clogged or dirty fuel filter.

2.

Clean or replace fuel filter.

 

 

 

 

 

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Milwaukee 4970-24 Troubleshooting, Problem, Cause, Correction, output is available, are connected, and runs rough, running