4.
Problem: Draft blower will not run.
NOTE: Verify that the wall thermostat is in the “HEAT” position, and make sure batteries are installed.
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Possible Causes:
• Defective wall thermostat.
Remedies:
• 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.
• Install filter box on furnace. Install filter in filter box.
Possible Causes:
• Furnace is not connected to return air
duct and is drawing dirt from furnace
room floor and disbursing it throughout
home.
Remedies:
• Connect to return air duct system.
6.
Problem: Smoke from the fire chamber is puffing back through the forced draft motor.
Possible Causes:
• Furnace is not connected to return air
and is drawing smoke fumes from the
flue.
Remedies:
• Connect return air to duct system, or room may be too airtight. Refer to
“Location and Installation” section on page 5.
• Excessively long run of stove pipe from
furnace to flue.
• 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).
