Trouble Shooting - Napoleon GVFS60P Installation And Operating Instructions Manual

Natural/propane gas unvented millivolt system
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20

9.0 TROUBLE SHOOTING

ALWAYS LIGHT THE PILOT WHETHER FOR THE FIRST TIME OR IF THE GAS SUPPLY HAS RAN OUT,
SYMPTOM
Main burner goes out;
pilot stays on.
Main burner goes out;
pilot goes out.
Pilot goes out when
the gas knob is
released.
The gas valve has an
interlock device which
will not allow the pilot
burner to be lit until
the thermocouple has
cooled. Allow approxi-
mately 60 seconds for
the thermocouple to
cool.
Pilot burning; no gas
to main burner; gas
knob is on 'HI'; wall
switch / thermostat is
on.
Pilot will not light.
THERMOCOUPLE
ELECTRODE
W415-0796 / 05.15.09
WITH THE GLASS DOOR OPEN OR REMOVED.
PROBLEM
Pilot flame is not large enough or
not engulfing the thermopile.
Thermopile shorting.
Remote wall switch wire is too
long; too much resistance in the
system.
Faulty thermostat or switch.
Insufficient air supply.
Out of propane gas.
Pilot flame is not large enough.
(Supply pressure too low.)
System is not correctly purged.
Out of propane gas.
Pilot flame is not large enough.
(Supply pressure too low.)
Thermocouple shorting / faulty.
Faulty valve.
Themostat or switch is defective.
Wall switch wiring is defective.
Main burner orifice is plugged.
Faulty valve.
Out of propane gas.
No spark at pilot burner.
THERMOPILE
PILOT
BURNER
No gas at the pilot burner.
WARNING
!
TEST SOLUTION
- Turn up the pilot flame.
- Replace pilot assembly.
- Clean thermopile connection tot he valve. Reconnect.
- Replace thermopile / valve.
- Shorten wire to connect length or wire gauge.
- Replace.
- Open window or door. (Use one of the methods described in
ANSI Z223.1 Section 5.3 or the applicable local code.)
- Fill the tank.
- Service or replace Oxygen Depletion Sensor System.
- Correct piping and / or regulator to provide correct pressure.
- Purge the gas line.
- Fill the tank.
- Service or replace Oxygen Depletion Sensor System.
- Loosen and tighten thermocouple.
- Clean thermocouple and valve connection.
- Replace Oxygen Depletion Sensor System.
- Test and replace valve.
- Replace.
- Connect a jumper wire across the wall switch terminals; if
main burner lights, replace switch / thermostat.
- Disconnect 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 orifice.
- Replace.
- Fill the tank.
- 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 wire if the wire insulation is broken or frayed.
- Replace the electrode if the ceramic insulator is cracked or
broken.
- Replace the push button ignitor.
- Check that the manual valve is turned on.
- Check the pilot orifice for blockage.
- Replace the valve / Oxygen Depletion Sensor System.
- Call the gas distributor.
42.4

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