Troubleshooting - Briggs & Stratton Portable Generator Operator's Manual

Troubleshooting

Problem
Engine is running, but no AC
output is available.
Engine runs good at no-load
but "bogs down" when loads
are connected.
Engine will not start; or starts
and runs rough.
Engine shuts down when
running.
Engine lacks power.
Engine "hunts" or falters.
20
Cause
1. Circuit breaker is open.
2. Fault in generator.
3. Poor connection or defective cord set.
4. Connected device is bad.
1. Short circuit in a connected load.
2. Engine speed is too slow.
3. Generator is overloaded.
4. Shorted generator circuit.
5. Clogged or dirty fuel filter.
1. Engine rocker switch set to OFF or O
position.
2. Fuel Valve is in "Off" position.
3. Low oil level.
4. Dirty air cleaner.
5. Clogged or dirty fuel filter.
6. Out of fuel.
7. Stale fuel.
8. Spark plug wire not connected to spark
plug.
9. Bad spark plug.
10. Water in fuel.
11. Flooded.
12. Excessively rich fuel mixture.
13. Intake valve stuck open or closed.
14. Engine has lost compression.
1. Out of fuel.
2. Clogged or dirty fuel filter.
1. Load is too high.
2. Dirty air filter.
3. Clogged or dirty fuel filter.
1. Carburetor is running too rich or too lean.
2. Clogged or dirty fuel filter.
Correction
1. Reset circuit breaker.
2. Contact authorized service facility.
3. Check and repair.
4. Connect another device that is in good
condition.
1. Disconnect shorted electrical load.
2. Contact authorized service facility.
3. See Don't Overload Generator.
4. Contact authorized service facility.
5. Clean or replace fuel filter.
1. Set engine rocker switch to ON or I
position.
2. Turn fuel valve to "On" position.
3. Fill crankcase to proper level or place
generator on level surface.
4. Clean or replace air cleaner.
5. Clogged or dirty fuel filter.
6. Fill fuel tank.
7. Drain fuel tank and carburetor; fill with
fresh fuel.
8. Connect wire to spark plug.
9. Replace spark plug.
10. Drain gas tank and carburetor; fill with
fresh fuel.
11. Wait 5 minutes and re-crank engine.
12. Contact autho rized service facility.
13. Contact authorized service facility.
14. Contact authorized service facility.
1. Fill fuel tank.
2. Clean or replace fuel filter.
1. See Don't Overload Generator.
2. Replace air filter.
3. Clean or replace fuel filter.
1. Contact authorized service facility.
2. Clean or replace fuel filter.
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