How To Fix The Frustrating Furnace Not Turning On Problem

In my experience, many times I have to manually adjust the thermostat because the furnace is not turning on. You have to figure out where the problem is so you can fix it. When you turn off the heat, check the thermostat first. If it is set to a low setting, then the heat will not be turned on and you will have to turn off the breaker to turn the unit on.

When you notice the furnace not turning on, you need to check the thermostat. Once you know the problem, check the fuse that plugs into the thermostat. If it has blown, you will need to reset the fuse. You can do this by using a wire to shut off the power to the furnace and then unscrewing the fuse. Next, turn on the fan and if it works, then you are good to go. If it does not work, then you need to look at your thermostat and make sure that it is not plugged in incorrectly.

The thermostat can be plugged in backwards or not plugged in properly. If your furnace turns on but you do not have an open flame, then you will need to turn off the breaker and plug in the thermostat. If the thermostat works, then you can reset the fuse if it blows. Make sure you can access all three plugs on the back of the thermostat so you can plug them in correctly.

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