Tech Tips

Main Blower Noisy

FI0087

• Inadequate Return and/or Supply Duct
• Undersized Return Air Grill
• Blower Wheel
• Dirty Wheel
• Not Correctly Positioned On Motor Shaft
• Not Balanced
• Blades Loose On Wheel
• Rubbing Against Blower Housing
• Broken Motor Bracket
• Bad Blower Motor and/or Motor Capacitor