Full Product Manual
Owner’s Manual for Portable Generator 19
Troubleshooting
PROBLEM CAUSE CORRECTION
Engine is running, but 
AC output is not 
available.
1. Circuit breaker OPEN.
2. Poor connection or defective 
cord set.
3. Connected device is bad.
4. Fault in generator.
5. GFCI breaker module is 
OPEN.
1. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is 
in good condition.
4. Contact IASD.
5. Correct ground fault and press 
reset button on GFCI breaker 
module.
Engine runs well at 
no-load, but bogs when 
load is applied.
1. Short circuit in a connected 
load.
2. Generator is overloaded.
3. Engine speed is too slow.
4. Shorted generator circuit.
5. Dirty fuel filter.
6. Clogged spark arrestor.
1. Disconnect shorted electrical 
load.
2. See 
Know Generator Limits.
3. Contact IASD.
4. Contact IASD.
5. Replace fuel filter.
6. Clean spark arrestor screen.
Engine will not start; or 
starts and runs rough.
1. Fuel shut-off is OFF.
2. Dirty air filter.
3. Out of fuel.
4. Stale fuel.
5. Spark plug wire not connected 
to spark plug.
6. Bad spark plug.
7. Water in fuel.
8. Overchoking.
9. Low oil level.
10. Excessive rich fuel mixture.
11. Intake valve stuck open or 
closed.
12. Engine lost compression.
13. Dirty fuel filter.
1. Turn fuel shut-off ON.
2. Clean or replace air filter.
3. Fill fuel tank.
4. Drain fuel tank and fill with 
fresh fuel.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Drain fuel tank; fill with fresh 
fuel.
8. Set choke to no choke posi-
tion.
9. Fill crankcase to correct level.
10. Contact IASD.
11. Contact IASD.
12. Contact IASD.
13. Replace fuel filter.
Engine shuts down 
during operation.
1. Out of fuel.
2. Low oil level.
3. Fault in engine.
1. Fill fuel tank.
2. Fill crankcase to correct level.
3. Contact IASD.
Engine lacks power. 1. Load is too high.
2. Dirty air filter.
3. Engine needs to be serviced.
4. Dirty fuel filter.
5. Clogged spark arrestor.
1. Reduce load (see 
Know Gen-
erator Limits).
2. Clean or replace air filter.
3. Contact IASD.
4. Replace fuel filter.
5. Clean spark arrestor screen.
Engine surges or 
stumbles.
1. Choke is opened too soon.
2. Carburetor is running too rich 
or too lean.
1. Set choke to halfway position 
until engine runs smoothly.
2. Contact IASD.










