35
W415-0210 / R / 02.27.08
Main burner goes
out; pilot stays on.
Pilot fl ame is not large enough
or not engulfi ng the thermo-
pile
- turn up pilot fl ame.
- replace pilot assembly.
Thermopile shorting
- clean thermopile connection to the valve. Reconnect.
- replace thermopile / valve.
Remote wall switch wire is too
long; too much resistance in
the system.
- shorten wire to correct length or wire gauge.
Faulty thermostat or switch.
- replace.
Main burner goes
out; pilot goes out.
Refer to "MAIN BURNER GOES OUT; PILOT STAYS ON"
Vent is blocked
Vent is re-circulating
- check for vent blockage.
- check joint seals and installation.
4" fl exible vent has become
disconnected from fi replace.
- re-attach to fi replace.
- 7"ø cap was not replaced
Pilot will not light. - check if pilot can be lit by a match
- check that the wire is connected to the push button igniter.
- check if the push button igniter needs tightening.
- replace the wire if the wire insulation is broken or frayed.
- replace the electrode if the ceramic insulator is cracked or broken.
- replace the push button igniter.
No spark at pilot burner
- fi ll the tank.
Out of propane gas
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. To ensure proper electrode loca-
tion, tighten securing nut (fi nger tight plus 1/4 turn).
No gas at the pilot burner
- check that the manual valve is turned on.
- check the pilot orifi ce for blockage.
- replace the valve.
- call the gas distributor.
Pilot goes out when
the gas knob is re-
leased.
The gas valve has
an interlock device
which will not al-
low the pilot burn-
er to be lit until
the thermocouple
has cooled. Allow
approximately 60
seconds for the
thermocouple to
cool.
System is not correctly
purged.
- purge the gas line.
Out of propane gas. - fi ll the tank.
Pilot flame is not large
enough
- turn up the pilot fl ame.
- gently twist the pilot head to improve the fl ame pattern around the
thermocouple.
Pilot fl ame is not engulfi ng the
thermocouple.
Thermocouple shorting /
faulty.
- loosen and tighten thermocouple.
- clean thermocouple and valve connection.
- replace thermocouple.
- replace valve.
Faulty valve.
- replace.
Pilot burning; no
gas to main burner;
gas knob is on 'HI';
wall switch / ther-
mostat is on.
Themostat or switch is de-
fective.
- connect a jumper wire across the wall switch terminals; if main burner
lights, replace switch / thermostat.
Main burner orifice is - remove stoppage in orifi ce.
Faulty valve.
- replace.
Wall switch wiring is defec-
tive.
- disconnect the switch wires & connect a jumper wire across terminals
1 & 3; if the main burner lights, check the wires for defects and / or
replace wires.
TROUBLE SHOOTING GUIDE
BEFORE ATTEMPTING TO TROUBLESHOOT, PURGE YOUR UNIT AND INITIALLY LIGHT THE PILOT AND THE MAIN BURNER WITH THE GLASS DOOR OPEN.
SYMPTOM PROBLEM TEST SOLUTION
http://www.northlineexpress.com