Firman H05751, Owner'S Manual, Page: 35 / 44

TROUBLE SHOOTING
Page 32
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. Fuel selector switch set to OFF
( O )
position
.
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. Intake valve stuck open or closed
.
13. Engine has lost compression
.
1. Set fuel selector switch to “GAS”
or “LPG” position.
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. 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 gasoline or LPG.
2. Dirty air cleaner.
3. Low oil level.
1. Fill fuel tank with gasoline or replace
LPG 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.
English Customer Service: 1-844-FIRMAN1
16. Out of LPG. 16. Replace LPG tank.
17. LPG cylinder knob is not open. 17. Fully open LPG cylinder knob.
2. The indicator light is OFF or
flashing red.
2. Must have solid red indicator light
to be able to start the engine.
18. Out of battery Power. 18. Start Engine in “GAS” position.
Charge or replace battery.