Troubleshooting - Generac Power Systems Portable Generator User Manual

TROUBLESHOOTING

Problem
Engine is running, but
no AC output is
available.
Engine runs good but
bogs down when
loads are connected.
Engine will not start;
or starts and runs
rough.
Engine shuts down
during operation.
Engine lacks power.
Engine "hunts" or
falters.
5,000 Watt Portable Generator
Cause
1. Circuit breaker is open.
2. Poor connection or defective cord set.
3. Connected device is bad.
4. Fault in generator.
1. Short circuit in a connected load.
2. Generator is overloaded.
3. Engine speed is too slow.
4. Shorted generator circuit.
1. Rocker switch set to "Off".
2. Dirty air cleaner.
3. Out of gasoline.
4. Stale gasoline.
5. Spark plug wire not connected to
spark plug.
6. Bad spark plug.
7. Water in gasoline.
8. Overchoking.
9. Low oil level.
10. Excessively rich fuel mixture.
11. Intake valve stuck open or closed.
12. Engine has lost compression.
1. Out of gasoline.
2. Fault in engine.
1. Load is too high.
2. Dirty air filter.
3. Engine needs to be serviced.
1. Choke is opened too soon.
2. Carburetor is running too rich or too
lean.
Solution
1. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is in good
condition.
4. Contact Generac service facility.
1. Disconnect shorted electrical load.
2. See "Don't Overload the Generator" on
page 8.
3. Contact Briggs and Stratton service
facility.
4. Contact Generac service facility.
1. Set switch to "On".
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain gas tank and fill with fresh fuel.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Drain gas tank; fill with fresh fuel.
8. Set choke to "Off" position.
9. Fill crankcase to proper level.
10. Contact Briggs and Stratton service
facility.
11. Contact Briggs and Stratton service
facility.
12. Contact Briggs and Stratton service
facility.
1. Fill fuel tank.
2. Contact Briggs and Stratton service
facility.
1. See "Don't Overload the Generator" on
page 8.
2. Replace air filter.
3. Contact Briggs and Stratton service
facility.
1. Move choke to halfway position until
engine runs smoothly.
2. Contact Briggs and Stratton service
facility.
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