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Scott JacksonSep 12, 2025
What to do if vent is re-circulating in Napoleon BGD40-P?
- MMichelle WilliamsSep 12, 2025
Check joint seals and installation.
What to do if vent is re-circulating in Napoleon BGD40-P?
Check joint seals and installation.
Why is carbon depositing on the glass, logs, or combustion chamber of my Napoleon BGD40-P?
If carbon is being deposited on the glass, logs, or combustion chamber surfaces of your Napoleon Indoor Fireplace, it could be due to several reasons: the air shutter may be blocked, so ensure the air shutter opening is free of lint or other obstructions; the flame may be impinging on the logs or combustion chamber, so check that the logs are correctly positioned, open the air shutter to increase the primary air, check the input rate by checking the manifold pressure and orifice size as specified by the rating plate values, check that the door gasketing is not broken or missing and that the seal is tight, check that both vent liners are free of holes and well sealed at all joints, and check that minimum rise per foot has been adhered to for any horizontal venting.
What causes the flames to be too large or too small in my Napoleon Indoor Fireplace?
If the flames of your Napoleon Indoor Fireplace are consistently too large or too small, it could be due to several reasons: You might be out of propane gas, so fill the tank. The spark gap might be incorrect, so ensure it's between 0.150” to 0.175” (5/32” to 11/64” approx.) from the electrode tip and the pilot burner. There might be no gas at the pilot burner, so check that the manual valve is turned on, check the pilot orifice for blockage, or replace the valve. The unit might be over-fired or under-fired, so check pressure readings.
Why is the main burner flame on my Napoleon BGD40-P Indoor Fireplace blue, lazy, and transparent?
If the main burner flame of your Napoleon Indoor Fireplace is blue, lazy, and transparent, it could be due to several reasons. First, the system might not be correctly purged, so purge the gas line. You might be out of propane gas, so fill the tank. The pilot flame might not be large enough, so turn it up. The pilot flame might not be engulfing the thermocouple, so gently twist the pilot head to improve the flame pattern around the thermocouple. The thermocouple might be shorting or faulty, so loosen and tighten it, clean the thermocouple and valve connection, or replace the thermocouple or valve. The valve might be faulty, so replace it. The thermostat or switch might be defective, so connect a jumper wire across the wall switch terminals; if the main burner lights, replace the switch or ...
What to do if flexible vent has become disconnected from Napoleon BGD40-P?
Re-attach the flexible vent to the appliance.
How to increase pilot flame size on Napoleon BGD40-P Indoor Fireplace?
If the pilot flame on your Napoleon Indoor Fireplace isn't large enough or doesn't engulf the thermopile, try turning up the pilot flame. If that doesn't work, you may need to replace the pilot assembly.
Why does my Napoleon BGD40-P Indoor Fireplace's main burner come on when the gas knob is turned to 'ON' even when the remote wall switch is 'OFF'?
If the main burner comes on with the gas knob in the 'ON' position, even when the remote wall switch is in the 'OFF' position, the wall switch might be mounted upside down; reverse it. The remote wall switch could also be grounding; replace it. Another possibility is that the remote wall switch wire is grounding; check for a short, repair the ground, or replace the wire.
What causes the flames to be consistently too large or too small in my Napoleon BGD40-P Indoor Fireplace?
Consistently large or small flames indicate the unit is either over-fired or under-fired. Check the pressure readings. Also, perform a leak test using a soap and water solution.
Why does a white film form on my Napoleon Indoor Fireplace glass?
If you see a white or grey film forming on the glass, logs, or combustion chamber surfaces of your Napoleon Indoor Fireplace, this indicates sulfur from the fuel is being deposited. Clean the glass with a recommended gas appliance glass cleaner. Do not clean the glass when it is hot. Clean deposits regularly to prevent permanent marking.
What to do if the pilot light is on but there's no gas to the main burner in my Napoleon Indoor Fireplace?
If the pilot is lit but the main burner won't ignite, even with the gas knob on ‘HI’ and the wall switch/thermostat activated, the thermostat or switch may be defective. Connect a jumper wire across the wall switch terminals; if the main burner lights, replace the switch/thermostat. Alternatively, the wall switch wiring could be defective. Disconnect the switch wires and connect a jumper wire across terminals 1 & 3; if the main burner lights, inspect the wires for defects and replace if necessary.
General| Fuel Type | Natural Gas or Propane |
|---|---|
| Vent Type | Direct Vent |
| Ignition System | Electronic Ignition |
| Log Set Material | Ceramic Fiber |
| Type | Gas Fireplace |
| Control Type | Remote Control |
| Warranty | Limited Lifetime Warranty |
