Troubleshooting - Briggs & Stratton PowerBoss 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; shuts
down when running or starts
and runs rough.
Engine lacks power.
Engine "hunts" or falters.
Cause
1. Red overload alarm light is on. Generator
is overloaded.
2. Green output indicator light not on. 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.
1. Engine switch set to "Off".
2. Fuel cap vent lever is in "Off" position.
3. Low oil indicator light comes on. Low oil
level.
4. Dirty air cleaner.
5. Out of fuel.
6. Stale fuel.
7. Spark plug wire not connected to spark
plug.
8. Bad spark plug.
9. Water in fuel.
10. Flooded.
11. Excessively rich fuel mixture.
12. Intake valve stuck open or closed.
13. Engine has lost compression.
1. Load is too high.
2. Dirty air filter.
Carburetor is running too rich or too lean.
Correction
1. See Don't Overload Generator in
Operation section. Shut down
generator and restart.
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 in
Operation section.
4. Contact authorized service facility.
1. Set engine switch to "On".
2. Turn fuel cap vent lever to "On"
position.
3. Fill crankcase to proper level or place
generator on level surface.
4. Clean or replace air cleaner.
5. Fill fuel tank.
6. Drain fuel tank and carburetor; fill with
fresh fuel.
7. Connect wire to spark plug.
8. Replace spark plug.
9. Drain fuel tank and carburetor; fill with
fresh fuel.
10. Wait 5 minutes and re-crank engine.
11. Contact authorized service facility.
12. Contact authorized service facility.
13. Contact authorized service facility.
1. See Don't Overload Generator in
Operation section.
2. Replace air filter.
Contact authorized service facility.
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