Replacement Part List
TROUBLE SHOOTING
Page 28
Problem Cause Correction
Engine is running, but no 
AC output is available.
1. Circuit breaker 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
4. Contact authorized service facility.
Engine will not start; starts 
and runs rough or shuts 
down when running.
1. Engine switch set to OFF (O) 
position.
2. Fuel shutoff lever is in OFF (O)
position.
3. 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. Set engine switch to ON (l) 
position.
2. Move fuel shutoff lever to ON (l) 
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 gas 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.
Engine lacks power.
1. Load is too high.
2. Dirty air filter.
1. Don't Overload Generator
2. Replace air filter.
Engine“hunts”or falters.
1. Carburetor is running too rich or too lean.
1. Contact authorized service facility.
14. Clogged or dirty fuel filter.
5. Clean or replace fuel filter.
14. Clean or replace fuel filter.
3. Clogged or dirty fuel filter.
4. Clogged spark arrester.
3. Clean or replace fuel filter.
4. Clean or replace spark arrester.
2. Clogged or dirty fuel filter.
2. Clean or replace fuel filter.
Engine shuts down when 
running.
1. Out of fuel.
2. Dirty air cleaner.
3. Low oil level.
1. Fill fuel tank.
2. Clean or replace air cleaner.
3. Fill crankcase to proper level or place. 
 generator on level surface.
5. Clogged or dirty fuel filter.
15. Starting battery may have in sufficient 
 charge.
15. Check battery output and charge 
 battery as necessary.
Remote start system not 
working.
1. Low battery in remote control.
2. Exceeding the range of remote control.
3. Remote control not programmed to 
 generator.
1. Replace batteries in remote control.
2. Move closer to generator. Must be no 
 more than164 feet.
3. Program remove control to generator 
(see Programming the Generator for Remote Start)
English Customer Service: 1-844-FIRMAN1










