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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.
Feb 8, 2019 · It doesn’t come on if in "auto" mode but if I put it in the "on" mode, the blower comes on and I have heat. I replaced the limit switch L170-40 and still have the same problem. There is another limit switch in the blower area L140-40.
Pilot stays lit, fire comes on, but the fan doesn’t come on. Possible the fan switch. This is an $8 part located on the lower side of the furnace by the fire box. There is no way to test it, you just have to replace it and see if that fixes the problem. New fan switch doesn’t fix the problem.
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.
May 3, 2022 · On a natural gas or propane furnace, there are typically 6 main reasons why a blower fan motor may not shut off and just continues to run. Before turning the power off to the furnace or opening the doors to the furnace, check the LED status code light (if equipped) for any error codes.
May 12, 2021 · If you switch the thermostat control to “on” and nothing happens, then try replacing the batteries in your thermostat or setting the temperature controls to 3-5 degrees above the temperature in the room. If none of these work, then you should call a furnace repair expert ASAP.
Nov 22, 2021 · Reasons Your Furnace Blower Won’t Turn On. 1. 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.
