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International Comfort Products H9MPV050F12B1 Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin the defrosting phase which may be necessary to continue normal heating and cooling operations. The control board is influenced by a defrost sensor located in the outdoor unit to verify when to initiate the defrosting cycle.
What are the indications that my outdoor defrost sensor board has a need to be replaced?
- Defrost session never runs despite the fact that there is a lot of frost in the way
- Your main control board might give out an error number when the defrost board fails
- The system will not run for the simple fact of the frost blocking the flow of air
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