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International Comfort Products N9MP2100J20C1 Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin the defrost sequence if necessary, to defrost your outdoor unit. The board is relayed information from a specific sensor located somewhere by the condenser to determine when to begin.
Symptoms your outdoor defrost sensor board is not going to last much longer
- The whole system may end up not running for the fact of the fact that there is too much frost
- The defrost sequence never initiates especially when there is frost on the external unit
- Your main control board could signify a type of error code produced when the defrost control board fails to receive a signal
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