15
PROBLEMS
CAUSES
REMEDIES
1.
Pilot will not light.
* LP-Gas tank empty.
* Fill LP-Gas tank.
* Gas supply valve closed.
* Open supply valve.
* Pilot control valve button not fully
* Fully depress the pilot button.
depressed.
* Restriction in gas hose.
* Replace hose or bl ow out with
compressed air.
* Pilot light orifice or screen plugged.
* Clean orifice or screen with
compressed
air, or replace orifice or screen if
necessary.
* Air in gas line.
* Depress pilot button on pilot contro l
valve to bleed the air from the gas line.
Usually necessary at time of
installation.
* Excess flow valve in P.O.L.
* Close LP-Gas tank valve, wait
stem closed.
5 minutes and reopen valve slow ly.
* Pilot control valve defective.
* Replace pilot control valve.
2.
Pilot light will not stay lit when
* Restriction in gas hose.
* Replace hose or bl ow out with.
pilot control valve is released.
compressed air.
* Loose thermocouple.
* Tighten thermocouple.(1)
* Weak or defective thermocouple.
* Replace thermocouple.(1)
* Pilot light orifice or screen partially
* Clean orifice or screen with
compressed
plugged.
air replace pilot orifice or screen if
necessary.
* Defective pilot control valve.
* Replace pilot control valve.
* Debris plugging up pilot screen.
* Replace pilot screen.
3.
Pilot light will not stay lit when main
* Pilot light orifice or screen partially
* Clean orifice or screen with
compressed
burner and bl ower are operating.
plugged.
air or replace pilot orifice or screen if
necessary.
* Improper gas pressure.
* Set pressure according to Owner's
Manual or dataplate on heater.
* Weak or defective thermocouple.
* Replace thermocouple.(1)
* Loose thermocouple.
* Tighten thermocouple connection.(1)
4.
Heater bl owing cold air with pilot
* LP-Gas tank empty.
* Fill LP-Gas tank.
light out.
* Obstruction in gas line.
* Clean the gas line.
* Freeze up of LP gas tank.
* Use larger LP gas tank. Keep tank
full on cold nights.
5.
Motor overheating and shutting off.
* Thermal overload switch in motor
* Thermal overload switch in motor
is opening.
opening due to:
a. High voltage - check voltage supply
against heater voltage requirements.
b. Dirty motor - clean motor housing.
c. If motor has oil ports, put several
d rops of SAE 20 wt. non-detergent
oil in each oil hole.
Troubleshooting Information
