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The dryer circuit control board controls most of the operations within the dryer.  If the control board is bad, the dryer may not start or the dryer will not heat up.

 

Before proceeding any further always disconnect the electricity before working on any electrical appliances.  Disconnect the electricity to the dryer.  This can be done by pulling the plug from the receptacle or by flipping the breaker off.  Make sure the electricity is turned off to the dryer.  USE  EXTREME CAUTION!  YOU ARE WORKING WITH 220 VOLTS.

When replacing the bad dryer control board with a new control board, it is a good practice to have the new replacement circuit board out of its packaging or box and to hold it in front of the old board so that you can examine both of the dryer circuit boards and make certain that they are the same before pulling any wires loose from the existing board and replacing it.

If you are not familiar with all of the wires that are connected and will need to be disconnected and transferred from one board to the other, have your phone handy and snap a few good photos of the bad control board while it is still connected in your dryer control panel for future reference, if needed.

Now that you are sure that both of the boards are the same you can transfer the wires from the old board to the new control board.

Once you have transferred all of the wires from the old control board to the new replacement control board you will need to replace the dryer console or control panel, plug the power cord back in.  You may need to program the new dryer control board, following the instructions for the make and model of your dryer.

The control board in your dryer has a life span just like any other household appliance parts do and can wear out from use and age.  Lightning storms/strikes cause a lot of havoc on appliances and are responsible for damage to many circuit boards.  Electrical power surges and flood waters or just moisture/condensation can also be to blame for a faulty dryer circuit control board.