Trouble Shooting Guide - Napoleon GD34-1NT Installation And Operating Instructions Manual

TROUBLE SHOOTING GUIDE

B
EFORE ATTEMPTING TO TROUBLESHOOT
SYMPTOM
Pilot goes out while Gas piping is undersized.
s t a n d i n g ; M a i n
burner is in 'OFF'
position.
System is not correctly
Pilot goes out when
purged.
t h e g a s k n o b i s
released.
Out of propane gas.
T h e g a s v a l v e
Pilot flame is not large
has an interlock
enough
device which will
not allow the pilot Pilot fl ame is not engulfi ng
burner to be lit until the thermocouple.
the thermocouple
Thermocouple shorting /
has cooled. Allow
faulty.
approximately 60
seconds for the
thermocouple to
Faulty valve.
cool.
Themostat or switch is
Pilot burning; no gas
defective.
to main burner; gas
knob is on 'HI'; wall
Wall switch wiring is defec-
switch / thermostat
tive.
is on.
Main burner orifice is
plugged.
Faulty valve.
Pilot will not light. No spark at pilot burner
Out of propane gas
Spark gap is incorrect
No gas at the pilot burner
Main burner goes
Pilot flame is not large
out; pilot stays on.
enough or not engulfi ng the
thermopile
Thermopile shorting
Remote wall switch wire is
too long; too much resist-
ance in the system.
F a u l t y t h e r m o s t a t o r
switch.
,
PURGE YOUR UNIT AND INITIALLY LIGHT THE PILOT AND THE MAIN BURNER WITH THE GLASS DOOR REMOVED
PROBLEM
- turn on all gas appliances and see if pilot fl ame fl utters, diminishes or
extinguishes, especially when main burner ignites. Monitor appliance
supply working pressure.
- check if supply piping size is to code. Correct all undersized
piping.
- purge the gas line with the glass door removed.
- fi ll the tank.
- turn up the pilot fl ame.
- gently twist the pilot head to improve the fl ame pattern around the
thermocouple.
- loosen and tighten thermocouple.
- clean thermocouple and valve connection.
- replace thermocouple.
- replace valve.
- replace.
- connect a jumper wire across the wall switch terminals; if main burner
lights, replace switch / thermostat.
- disconnect switch wires from valve & connect a jumper wire across
terminals 1 & 3; if the main burner lights, check the wires for defects
and / or replace wires.
- remove stoppage in orifi ce.
- replace.
- 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.
- fi ll the tank.
- 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
location, tighten securing nut (fi nger tight plus 1/4 turn).
- check that the manual valve is turned on.
- check the pilot orifi ce for blockage.
- replace the valve.
- call the gas distributor.
- turn up pilot fl ame.
- replace pilot assembly.
- clean thermopile connection to the valve. Reconnect.
- replace thermopile / valve.
- shorten wire to correct length or wire gauge.
- replace.
TEST SOLUTION
29
.
W415-0663 / A / 01.07.08