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International Comfort Products H9MPV100J20B1 Defrost Sensor Board
The defrost control board determines when to initiate the defrost sequence which may be necessary to get rid of the frost that collects on the outdoor unit. The board relies on a sensor located in the outdoor unit to ascertain when the defrost cycle should begin.
What are some hints that my defrost sensor board needs replacing?
- The system may cease to operate due in part to the amount of frost on the outdoor unit
- The control board could throw an error of some type if the defrost control board fails
- Self defrost sequence never begins despite the fact that there is a lot of frost on the unit
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