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Trouble Shooting
Problem Possible Cause Solution
The main burner
does not ignite
when called for.
The gas valve may not be on. • Check that the gas control knob is in the “ON” position.
Thermostat is not calling for
heat.
• Adjust the thermostat several degrees above ambient temperature.
Problem with gas valve. • Use a DC voltmeter to measure the voltage across the TPTH and TP
terminals. Main operator voltage: Open circuit ≥ 325mV & Closed
circuit ≥ 100mV.
• If voltage is not present, check the control circuit for proper
operation.
• If proper control system voltage is present, replace the gas control.
Spark will not
light the pilot
after repeatedly
pressing the
spark ignitor.
Defective piezo ignitor. • Check connections to ignitor.
• If ignitor connections are good but no spark, replace ignitor.
Broken spark electrode. • Check for broken ceramic insulation, replace electrode if broken.
Misaligned spark electrode. • If spark is not arcing from electrode to pilot, loosen the screws on the
pilot base, adjust, and tighten.
Pilot will not
remain lit.
Problem with thermocouple
circuit.
• Check for proper connection of the thermocouple to the rear of the
valve. If loose, fully tighten.
• Check pilot for full ame impingement around thermocouple. If ame
is too small, check gas pressure, adjust pilot rate screw, check pilot
head for damage.
• Check thermocouple voltage at valve. It must be greater than 5 mV.
If low, replace thermocouple.
Air in gas line (pilot dies while
knob is depressed).
• Bleed line.
• Check gas line pressure.
• Contact dealer.
Burners will not
remain lit.
Problem with thermopile
circuit.
• Check gas line pressure.
• Check for ame impingement on thermopile. If low, see “Pilot will not
remain lit”.
• Check thermopile for minimum of 300 mV when burner is switched
on.
• Check wiring to thermostat for breaks.
BV ONLY: Check for spillage at draft hood that may trip spill switch.
Flame lifting. Leak in vent pipe. • Check for leaks in vent connections.
Improper vent conguration. • Check vent conguration with manual.
Terminal may be recirculating
ue gases.
• Check to see if terminal is on correctly.
• May need to install high wind termination cap.
• Contact dealer.
Glass fogs up. Normal Condition: after the appliance warms up the glass will clear.
**Due to additives in gas, glass may get hazy during operation.** Clean as needed.
Blue Flames. Normal during start up: ames will yellow as the replace heats up.
Flames are
burning “dirty” or
sooting.
Flame impingement. • Check log positioning.
• Increase primary air by opening the venturi shutter and/or by
opening the vent restrictor.
See also “Burners will not remain lit.”
Remote control
doesn’t work.
Problem with the remote. • One or more of the batteries are dead. See remote control
instructions.
Problem with replace. • The on/off switch is turned to OFF.
• The gas control valve is turned to PILOT or OFF.
• The pilot has gone out.
BV ONLY:
Insufcient air
for combustion.
• Air tight house.
• A vacuum in room due to
another air-moving device.
• Supply make up air to the unit.
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