Briggs & Stratton 203985GS - Manual (Page 23)

23
Troubleshooting
Problem Cause Correction
Engine is running, but no AC
output is available.
1. One of the circuit breakers is open.
2. Fault in generator.
3. Poor connection or defective cord set.
4. Connected device is bad.
1. Reset circuit breaker.
2. Contact authorized service facility.
3. Check and repair.
4. Connect another device that is in good
condition.
Engine runs good at no-load but
“bogs down” when loads are
connected.
1. Short circuit in a connected load.
2. Engine speed is too slow.
3. Generator is overloaded.
4. Shorted generator circuit.
1. Disconnect shorted electrical load.
2. Contact authorized service facility.
3. See Don’t Overload Generator in
Operation section.
4. Contact authorized service facility.
Engine will not start; or starts
and runs rough.
1. Engine switch set to stop (O) position.
2. Fuel Valve is in “Off” position.
3. Failed battery.
4. Low oil level.
5. Dirty air cleaner.
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. Set switch to run (I) position.
2. Turn fuel valve to “Open” position.
3. Replace battery.
4. Fill crankcase to proper level or place
generator on level surface.
5. Clean or replace air cleaner.
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 authorized service facility.
13. Contact authorized service facility.
14. Contact authorized service facility.
Engine shuts down when
running.
1. Out of fuel.
2. Low oil level.
1. Fill fuel tank.
2. Fill crankcase to proper level or place
generator on level surface.
Engine lacks power.
1. Load is too high.
2. Dirty air filter.
1. See Don’t Overload Generator in
Operation section.
2. Replace air filter.
Engine “hunts” or falters. Carburetor is running too rich or too lean. Contact authorized service facility.