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; starts
and runs rough or shuts
down when running.
Engine lacks power.
Engine"hunts"or falters.
Engine shuts down when
running.
For all other issues, contact authorized dealer or Firman customer service.
English
Troubleshooting – Specifications
Cause
1. Circuit breaker is open.
2. 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. Shorted generator circuit.
4. Clogged or dirty fuel filter.
1. Fuel selector switch set to OFF (O)
position.
2. The indicator light is OFF or
flashing red.
3. Low oil level.
4. Dirty air cleaner.
5. Out of gasoline.
6. Stale gasoline.
7. Spark plug wire not connected to
spark plug.
8. Bad spark plug.
9. Water in gasoline.
10. Flooded.
11. Excessively rich fuel mixture.
12. Clogged or dirty fuel filter.
13. Starting battery may have
insufficient charge.
14. Out of LPG/NG.
15. LPG cylinder knob / NG supply
valve is not open.
16. Out of battery power.
1. Load is too high.
2. Dirty air filter.
3. Clogged or dirty fuel filter.
4. Clogged spark arrester.
1. Carburetor is running too rich or too lean. 1. Contact authorized service facility.
2. Clogged or dirty fuel filter.
1. Out of gasoline or LPG/NG.
2. Dirty air cleaner.
3. Low oil level.
Correction
1. Reset circuit breaker.
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. Contact authorized service facility.
4. Clean or replace fuel filter.
1. Set fuel selector switch to "GAS"
or "LPG/NG" position.
2. Must have solid red indicator light
to be able to start the engine.
3. Fill crankcase to proper level or
place generator on level surface.
4. Clean or replace air cleaner.
5. Fill fuel tank with gasoline.
6. Drain fuel tank and carburetor; fill
with fresh gasoline.
7. Connect wire to spark plug.
8. Replace spark plug.
9. Drain gas tank and carburetor; fill
with fresh gasoline.
10. Wait 5 minutes and re-crank engine.
11. Contact authorized service facility.
12. Clean or replace fuel filter.
13. Check battery output and charge
battery as necessary.
14. Replace LPG cylinder/ check NG supply.
15. Fully open LPG cylinder knob / NG
supply valve.
16. Start Engine in "GAS" position.
Charge or replace battery.
1. Don't Overload Generator
2. Replace air filter.
3. Clean or replace fuel filter.
4. Clean or replace spark arrester.
2. Clean or replace fuel filter.
1. Fill fuel tank with gasoline or replace
LPG cylinder / check NG supply.
2. Clean or replace air cleaner.
3. Fill crankcase to proper level or place.
generator on level surface.
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Customer Service: 1-844-FIRMAN1