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Issue
Cause
Solution
Burner will not light
Lighting instructions not followed
Turn gas control knob to ON position.
Turn the ON/OFF rocker switch to ON position.
Put wall switch, remote control, or thermostat in heat demand position.
Plugged main burner orifice
Remove blockage as necessary.
Switching device is defective
Check remote, thermostat, or wall switch wires for proper connection.
Place jumper wires across terminals at switch. If the burner lights, replace
the defective switch, thermostat, or batteries in remote control as
necessary.
If switching device checks out as described above, place jumper wires
across switches on the gas valve. If the burner lights, the switching wires
are faulty or connections are bad. Replace as necessary.
Burner will not stay lit
Thermopile wires loose at valve
terminals
Tighten if necessary.
Thermopile wires ground out due
to pinched wires
Free pinched wires if necessary.
Improper refractory panel
placement (if installed)
Refractory panels must be tight against firebox walls. It may be necessary
to secure panels with high-temperature sealant, especially around the
intake duct.
Pilot and burner extinguish
while in operation
No propane in tank
Check propane tank. Refill if necessary.
Incorrect glass frame assembly
installation
Refer to section
Improper pitch on horizontal
venting
1/4” (6mm) per 12” (30cm) is required on horizontal venting
Defective thermopile or
thermocouple
Check thermopile and thermocouple for proper millivolts
Inner vent pipe leaking exhaust
gases back into firebox
Check for leaks and repair if necessary.
Vent cap blockage
Remove debris if necessary.
Excessive draft
A restrictor plate may need to be installed or modified. Refer to section
11.2.2, VENT RESTRICTION (AFTER INSTALLATION)
Glass sooting
Improper media placement
Refer to section
8.2, BURNER/PERIMETER MEDIA INSTALLATION
page 53 or your optional media kit instructions.
Improper venturi setting
Venturi may need to be opened slightly to allow more air into the gas
mix. Refer to section
Incorrect vent cap installation
Adjust if necessary.
Vent cap blockage
Remove debris if necessary.
Flame burns blue and lifts
off burner
Improper venturi setting
Venturi may need to be closed slightly to allow less air into the gas mix.
Refer to section
Incorrect vent cap installation
Adjust if necessary.
Blockage or leakage of the vent
system
Check the vent pipe for leaks, and the vent cap for debris. Repair vent
pipe or remove debris from vent cap if necessary.
SECTION 12
TROUBLESHOOTING
#CLW-50-MV
R.1 October 2021
64
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES