TROUBLESHOOTING
4
72
Review these tips first and you may not need to call for service.
Problem
Probable cause
Gas valve may be OFF
Tank fuel empty
Pilot injector blocked
Air in supply system
Pilot will not light
Loose connections
Low gas pressure
Lack of fuel pressure
Pilot will not stay on
Debris around pilot
Loose connections
Thermocouple bad
Gas Ieak in Iine
Pressure is low
Opening blocked
ControI is not 0N
Burner will not light
Thermocouple bad
Pilot light assembly
bent
Not in correct location Position properly and retry.
Supply hose is bent or
twisted
Burner flame is low
Blockage in burner
injector
Burner flame goes
Low gas pressure
off immediately
after ignition
Blockage in burner
injector
Emitter glows une-
Base is not on a leveI
ven
surface
Low gas pressure
Thick black smoke
Blockage in burner
Carbon build-up
Dirt or film on reflec-
tor and flame screen
Solution
Turn the gas valve ON.
Refill gas tank.
Clean or replace pilot injec-
tor.
Purge air from lines by pres-
sing the control knob until
you smell gas.
Check all fittings.
Replace cylinder with a new
cylinder.
Keep the variable knob
depressed for 10-20 seconds
or more after the pilot light
ignited.
Tank near empty. Refill gas
tank.
Clean dirty area.
Tighten connections.
Replace thermocouple.
Check connections.
Tank near empty.Refill gas
tank.
Remove and clean.
Turn valve to ON.
Replace thermocouple.
Place pilot properly.
Straighten hose and per-
form leak teston hose.
Clean or replace burner
injector.
Let the pilot flame stay lit
for 10 minutes before set-
ting variable knob to LO.
Clean or replace burner
injector
Place heater on a IeveI
surface
Replace cylinder with a new
cylinder.
Turn off the heater and Iet
it cool.
Remove blockage and clear
burnerinside and outside.
Clean reflector and flame
screen.