4. Problem: Draft blower will not run. NOTE: Verify that the wall thermostat is in the “HEAT” position, and make sure batteries are installed.
• Defective wall thermostat.
• This can be checked by turning the thermostat to a temperature setting that is higher than the temperature in your home, If the draft blower does not operate, the thermostat may be defective. Replace it if necessary.
• Wall thermostat is in the wrong position.
• Move switch on the wall thermostat to the “HEAT” position.
• Defective relay or transformer.
• Replace relay or transformer, as necessary.
• Defective draft motor.
• Replace draft motor.
5. Problem: Excessive dirt accumulation surrounding air registers in the home.
• Filter box not installed, or no filter in filter box. • Furnace is not connected to return air duct and is drawing dirt from furnace room floor and disbursing it throughout home.
• Connect to return air duct system.
• Install filter box on furnace. Install filter in filter box.
6. Problem: Smoke from the fire chamber is puffing back through the forced draft motor. Possible Causes: Remedies:
• Furnace is not connected to return air and is drawing smoke fumes from the flue. • Excessively long run of stove pipe from furnace to flue.
• Connect return air to duct system, or room may be too airtight. Refer to “Location and Installation” section on page 5.
• Relocate the furnace so the horizontal run does not exceed 5 feet and has a 2 inch rise per foot.
• Too many elbows.
• The run should not contain more than 2 elbows.
• Poor flue performance.
• See pages 8-9.
• Negative pressure in furnace area.
• Provide fresh air to the furnace area by installing a Fresh Air Kit (WAF-FAK10).
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