Troubleshooting - Generac Power Systems 7500EXL Owner's 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.
Generac Portable Products 7,500 EXL 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. Run/Stop switch set to "Stop".
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.
13. Battery is dead.
1. Out of gasoline.
2. Low oil level.
3. 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.
2.
3.
4.
1.
2.
3.
4.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Contact Generac service facility.
11. Contact Generac service facility.
12. Contact Generac service facility.
13. Recharge or replace battery.
1.
2.
3.
1.
2.
3.
1.
2.
14
Reset circuit breaker.
Check and repair.
Connect another device that is in
good condition.
Contact Generac service facility.
Disconnect shorted electrical load.
See "Don't Overload the
Generator" on page 12.
Contact Generac service facility.
Contact Generac service facility.
Set switch to "Run".
Clean or replace air cleaner.
Fill fuel tank.
Drain gas tank and fill with fresh fuel.
Connect wire to spark plug.
Replace spark plug.
Drain gas tank; fill with fresh fuel.
Put choke lever to "no choke"
position.
Fill crankcase to proper level.
Fill fuel tank.
Fill crankcase to proper level.
Contact Generac service facility.
See "Don't Overload the
Generator" on page 12.
Replace air filter.
Contact Generac service facility.
Move choke to halfway position till
engine runs smoothly.
Contact Generac service facility.