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International Comfort Products PYPA36GA1 Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrost cycle in order to defrost your outdoor unit. The defrost board relies on a defrost sensor located near the condenser to make the decision on when to begin.
Warnings your defrost board has to be replaced
- Self defrost sequence will not initiate even when there is a large quantity of frost on the outdoor unit
- The whole system may stop running due to frost blocking the fins on the outside unit
- The primary control board may signify an error signal if the defrost control board fails
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