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Friedrich MR09Y3H Defrost Sensor Board
The defrost sensor control board will begin the defrosting phase which aids to remove frost build-up that may accumulate. The defrost board relies on a specific sensor located somewhere by the condenser to agree when the defrost cycle should begin.
Some clues of a barely functioning defrost sensor board
- Your main control board could signify an error number if the defrost control board fails
- Self defrost sequence never begins even though there is quite a bit frost in the way
- AC and heating system could end up not running due to too much frost
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If you decide on picking up or purchasing a new Friedrich MR09Y3H replacement part do your best and cross-check the model number as well as make a visual inspection so that you are positive that the correct defrost sensor board is being ordered. There is no rule that says you have to replace the part all by yourself. Pay a professional in your area to do it for you.
Feel free to download your manual for help.
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