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    • Change your thermostat to fan-only mode

      • The first thing that you should do if your furnace blower isn’t turning on is change your thermostat to fan-only mode. Fan-only mode (also called fan mode) does not heat or cool your home. It only turns the blower on. If your blower doesn’t turn on in fan-only mode, then you’ll need to troubleshoot further.

      Furnace Blower Not Working? Here’s What to Do | HVAC Training ...

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  3. www.mobilehomerepair.com › mobile-home-furnaceMobile Home Furnace Maintenance & Troubleshooting

    Mobile Home Furnace Blower Will Not Come On. If your blower does not turn on, first look through the viewing hole above the gas valve and see if the burners have lit. If you don’t see them burning, then jump to the burner won’t light section.

  4. hvactrainingshop.com › furnace-blower-not-workingFurnace Blower Not Working? Here’s What to Do | HVAC Training ...

    Nov 12, 2023 · Check the fan belt. What to do when your furnace blower won’t turn on. The first thing that you should do if your furnace blower isn’t turning on is change your thermostat to fan-only mode. Fan-only mode (also called fan mode) does not heat or cool your home. It only turns the blower on.

  5. householdair.com › furnace-blower-wont-turn-onFurnace Blower Won't Turn On? Here Are ... - Home - HouseholdAir

    • 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.

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  7. upgradedhome.com › furnace-blower-motor-hums-butFurnace Blower Motor Hums But Won't Start? (We Have A Fix)

    Dec 19, 2021 · If your furnace blower motor hums but does not start, this is most likely due to a faulty capacitor. To ensure the capacitor is the issue, you will need to test the capacitor itself before you replace it.

    • Heather Robbins

  8. householdair.com › furnace-fan-not-workingWhat To Do If Furnace Fan Is Not Working Or Won’t Turn On

    Nov 22, 2021 · If your furnace blower fan is not working, the fan motor is likely defective. Alternatively, you may have a wiring issue. These two are the most common reasons why the furnace blower may refuse to turn.

  9. www.fenwickhomeservices.com › blog › 4-reasons-yourWhy Your Furnace Blower Motor Won't Turn On & How to Fix ...

    May 12, 2021 · If your furnace blower won’t turn on, check to confirm the arrows on the air filter are pointing in the correct direction. When the arrows are pointing in the wrong direction, change the orientation of the filter.

  10. mspplumbingheatingair.com › blog › why-does-myWhy Does My Furnace Blower Turn On and Off Constantly?

    Oct 25, 2016 · Is your blower turning on/off when your furnace isn’t heating? If so, it’s most likely caused by a bad fan limit switch . We’ll go over what you can do on your own to solve your problem and when you’ll need a professional.