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International Comfort Products T9MPX080J12A2 Defrost Sensor Board
The defrost control board controls if and when to commence the defrost sequence which may be needed in order to continue normal heating and cooling operations. The control board is relayed information from a defrost sensor located in the outdoor unit to decide when the defrost cycle should begin.
Indications the AC defrost sensor board has to be replaced
- Your system could stop operating at all because of the safety issue that the frost poses
- The defrost sequence will not kick in even though there is excessive frost in the way
- The primary control board could signify a specific error code if the defrost board fails
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