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Heat Controller B-VMH18FC-1 Defrost Sensor Board
The defrost sensor board will determine when to initiate the defrost cycle which actually helps to get rid of the frost that collects on the outdoor unit. The board relies on a specific sensor located in the outdoor unit to agree when the defrost cycle should begin.
Warnings of a weak defrost board
- The defrost feature does not run especially when there is a rather large amount of frost that needs to be removed
- AC and heating system could end up not running for the simple fact of frost blocking the fins on the outside unit
- The main circuit board could throw an error number when encountering a problem
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Before you decide on buying or purchasing a new Heat Controller B-VMH18FC-1 replacement part do your best and cross-check the model number and also make a visual inspection in order to be sure the correct defrost sensor board is being ordered. HVAC professionals could be quite expensive to hire so it may be beneficial to look around your area to acquire the best rate if you want to pay bottom dollar.
Feel free to download your manual for help.
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