Furnace Control Board Problems

Tapping on the relay can sometimes help but only delays the inevitable failure of the board. The problem is that the blower fan will not come on because the fan relay on the control board has failed. Interruption of the regular sequence of events.

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It is hot and they need air conditioning now.

Furnace control board problems.

When an electro mechanical switch like the ones on our boards is suddenly being used after a long period of downtime like the end of one winter to start of the next winter it can become permanently stuck. I hope the youtube video below will help you troubleshoot your furnace s control board. If you have an electric furnace some causes of circuit board failure may include the following. Debris and dust can cause the air filters to clog.

It is on the weekend when getting a control board is impossible or the person does not want to wait on a new control board to be shipped in before they can use their air conditioner. If the furnace s draft inducer will not start or if the blower motor will not start then this could very well be a control board problem. Here are signs you may have a malfunctioning furnace control board. After a certain period of time the furnace wires will become loose due to the vibration.

Elaborating on the above warning pay attention to your. If your furnace starts to make you either too hot or too cold and the thermostat settings.

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