11.
Problem: Circulation blower vibrates during operation.
Possible Causes:
Remedies:
• Check squirrel cage alignment and position so that it does not drag on the housing during rotation, then tighten the screw sufficiently to fasten the squirrel cage securely to the shaft. • You may attempt to adjust the weights yourself to obtain an acceptable balance. If you are unsuccessful, contact your supplier. • Return the blower to your supplier for replacement.
• Screw on squirrel cage is not tight.
• Balance weights on squirrel cage have become dislocated.
• Defective main bearings.
• Remove debris from wheel.
• Debris in blower wheel.
12. Problem: Odor detected in home during initial firing. • There is an oily film that remains Possible Causes: Remedies:
• The odor should disappear after a few hours of usage.
on the steel after the manu- facturing process. Firing the furnace has raised the tempera- ture of the fire box to a level that is sufficient to vaporize the residue.
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Problem: Excessive smoke discharge from fuel door during reloading.
• See #9. Remedies:
Possible Causes:
• Insufficient draft.
• Obstructed chimney or clogged chimney cap.
• See #16.
• Creosote build-up.
• See #8.
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Problem: Draft blower runs constantly.
Remedies:
Possible Causes:
• Defective wall thermostat.
• This can be checked by turning the thermostat to a lower setting than the temperature in your home. If the draft blower continues to run, the thermostat may be defective. Replace if necessary.
• Replace transformer relay center.
• Defective transformer relay center.
• Have a professional determine the proper size furnace and insulation factor of your home.
• Home is not being supplied with a sufficient amount of heat to satisfy the wall thermostat.
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