#SP-34 LE & MV R.5 January 2020
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
TROUBLESHOOTING 51
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 8.1 Glass Frame Assembly on page 54.
Improper pitch on horizontal
venting
¼” (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) on page 47.
Glass sooting
Improper log placement
Refer to Section 8.2 #SP34-50A Log Set Installation on page 34.
Improper venturi setting
Venturi may need to be opened slightly to allow more air into the
gas mix. Refer to Section 11.2.1 Burner Venturi on page 46.
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 opened slightly to allow more air into the
gas mix. Refer to Section 11.2.1 Burner Venturi on page 46.
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.
