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TROUBLESHOOTING
Note: Before troubleshooting the system, make sure the gas shutoff valve is ON.
The two most common causes of a malfunctioning gas appliance are:
1. Loose wiring connections
2. Construction debris clogging the pilot and/or gas control valve filter
OBSERVED PROBLEM
Pilot will not light
Pilot will not stay lit
No gas to burner, although wall switch and
valve are set to the ON position
Frequent pilot outage
Pilot goes out when wall switch is ON
POSSIBLE CAUSE
1. No gas supply or shutoff valve is OFF
2. Air in gas line
3. Construction debris clogging pilot
orifice
4. Low gas pressure
5. Control valve knob is not on the PILOT
position
6. Kinked pilot line
7. Bad valve
8. Vent damper not fully open
1. Loose wiring on thermopile to regulator
valve. No millivolt current is being sent
back to regulator
2. If valve knob and wall switch are in the
ON position, probable defective regula
-
tor valve
3. Vent damper not fully open
1. Wall switch wires defective or too long
2. Thermopile not generating sufficient
voltage
1. Pilot flame may be too low, causing
safety pilot to “drop out”
2. Improper venting or excessive blockage
1. Millivolt output on thermopile too
high
REMEDY
1. Check to see if you have gas supply
2. Hold regulator control valve in the PI-
LOT position for 2 to 3 minutes to purge
air. If you smell gas stop and wait for a
few minutes before trying to light the
fireplace
3. Remove debris and dirt, inspect and
clean any other possible obstructions
4. Contact your gas supplier
5. Refer to section on pilot lighting
6. Have a qualified technician replace
pilot line
7. Replace regulator valve (see Accesso
-
ries, page 27)
8. Open vent damper until fully locked in
OPEN position
1. Check wiring connections. Refer to
wiring diagram shown in Wall Switch
Installation, page 10
2. Have a qualified technician replace
valve
3. Open vent damper until fully locked in
OPEN position
1. Check electrical connections
2. See
Pilot will not stay lit, above
1. Clean and adjust pilot flame for maxi
-
mum flame impingement on thermo-
pile
2. Have the vent system inspected, includ-
ing the termination cap. Remove any
restriction or obstruction
1. Replace thermopile