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- 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. However, it doesn’t mean that you should limit your troubleshooting to the two areas.
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Why does my mobile home furnace blower not come on?
Why is my furnace blower motor not turning on?
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Why is my furnace not working?
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.
Why the blower fan won't come on when the heating elements cycle on when the blue wire is on M2. Could it be that given that the M2 terminal with 120VAC to ground is not giving the blower fan 240VAC? The only parts replaced have been the heating elements and the sequencer.
Nov 24, 2022 · Small possibility an issue with the furnace turning on the fan - Turn off the furnace, turn FAN to ON via the thermostat, turn on the furnace, fan should start right away - see if it goes through the ignition, etc. and whether it stays on or cycles.
- 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.
Nov 12, 2023 · 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.
May 12, 2021 · If your furnace blower motor won’t turn on, the source of the issue may be a damaged capacitor. Once a load becomes too large, a capacitor can break and negatively impact the performance of your furnace. Sometimes, that load becomes too much, and your capacitor will fry itself.
Pilot stays on but the furnace doesn’t come on, step 3. Replace the limit switche (s). You MUST know the brand and model number of the furnace to get the proper replacements. It will be helpful if you have the part number of the switches.
