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  2. May 12, 2021 · If your furnace fan won't turn on, these are the most common reasons. Get step-by-step instructions to fix your furnace blower motor here.

  3. Nov 12, 2023 · In this article, I’ll go over what you should do when your furnaces blower wont turn on. I’ll also go over the different parts that you should check, and how to diagnose common blower motor issues.

  4. When troubleshooting a furnace blower motor, it’s crucial to identify specific symptoms or patterns related to the issue. This could include the blower not turning on, running continuously without producing heat, or making unusual noises.

    • It’s a Thermostat Setting Issue. Most thermostat issues originate at the thermostat, and blower motor issues aren’t different. If your blower isn’t turning, you most likely have a faulty thermostat.
    • The Thermostat is Faulty. Still, on the thermostat, you may also want to diagnose it for internal damage. If the thermostat is broken, the furnace may not work.
    • The Fan isn’t Getting Power. Hopefully, you’ve confirmed that the rest of the furnace has power. You’ll know you have power if the burners light up when you turn on the furnace.
    • The Blower Motor Capacitor is Defective. We’ve mentioned that the blower motor gets starting power from a special capacitor. These capacitors are fairly powerful, typically ranging from 200V to 450V.
  5. Is your furnace blower motor not working and there is no air coming out of your vents? Perhaps your blower motor has burnt out and you need a new one. Or may...

    • 8 min
    • 898.3K
    • Word of Advice TV
  6. In this HVAC Training Video, I Show 10 Common Blower Fan Motor Problems and I Explain Why The Blower Motor is Not Running, Not Working during Fan Mode, Air C...

    • 11 min
    • 534.4K
    • AC Service Tech LLC
  7. Nov 21, 2023 · Signs of a bad blower motor include failure to turn on, deviation from specified capacitance rating, and unusual resistance readings. Testing the blower motor requires a multimeter, insulation-piercing probe, capacitor discharge tool, and control board.

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