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W415-0223 / E / 03.05.09
PILOT
BURNER
THERMOCOUPLE
THERMOPILE
Main burner goes out;
pilot stays on.
Pilot fl ame is not large enough or
not engulfi ng the thermopile.
Thermopile shorting
Remote wall switch wire is too
long, too much resistance in the
system
Faulty thermostat or switch
- turn up pilot fl ame.
- replace pilot assembly.
- clean thermopile and thermopile connection to valve.
- shorten wire to correct length or wire gauge.
- replace
Gas piping is undersized.
Pilot goes out while
standing; Main burner
is in 'OFF' position.
- turn on all gas appliances and see if pilot fl ame fl utters, di-
minishes or extinguishes, especially when main burner ignites.
Monitor supply pressure.
- check if supply piping size is to code. Correct all undersized
piping.
Pilot burning; no gas to
main burner; gas knob
is on 'HI'; wall switch /
thermostat is on.
Main burner orifi ce is plugged.
Faulty thermopile.
Faulty themostat or switch.
- remove stoppage in orifi ce.
- replace.
- connect a jumper wire across the wall switch terminals; if main
burner lights, replace thermostat.
- disconnect the switch wires & connect a jumper wire across ter-
minals 1 & 3; if the main burner lights, check the wires for defects
and / or replace wires.
Faulty valve.
- replace.
- check that the manual valve is turned on.
- check the pilot orifi ce for blockage.
- replace the valve.
- call the gas distributor.
No gas at the pilot burner
- fi ll the tank.
Out of propane gas.
Pilot will not light.
- check if pilot can be lit by a match
- check that the wire is connected to the push button ignitor.
- check if the push button ignitor needs tightening.
- replace the push button ignitor.
No spark at pilot burner
Spark gap is incorrect
- spark gap should be 0.150" to 0.175" (5/32" to 11/64" approx.)
from the electrode tip and the pilot burner.
Pilot fl ame is not large enough
- turn up the pilot fl ame.
Pilot fl ame is not engulfi ng the
thermocouple.
- turn up pilot fl ame.
- replace pilot assembly.
Thermocouple shorting.
Faultly thermocouple.
Faulty valve.
System is not correctly purged.
- purge the gas line with the glass door open.
- fi ll the tank.
Out of propane gas
Pilot goes out when
the gas knob is re-
leased.
- loosen and tighten thermocouple.
- clean thermocouple and valve connection.
- replace thermocouple.
- replace valve.
- replace.
- replace.
TROUBLE SHOOTING GUIDE
BEFORE ATTEMPTING TO TROUBLESHOOT, PURGE YOUR UNIT AND INITIALLY LIGHT THE PILOT AND THE MAIN BURNER WITH THE GLASS DOOR REMOVED.
SYMPTOM PROBLEM TEST SOLUTION