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International Comfort Products FBF100F20A1 Defrost Sensor Board
The defrost control board controls if and when to commence the defrost cycle which aids to defrost your outdoor unit. The defrost board is influenced by a sensor that can be found near the condenser, in order to determine when to begin.
Key clues of an ineffective defrost sensor board
- The main circuit board may throw an error number referring to a bad defrost board
- AC and heating system could stop running at all because of frost blocking the fins on the outside unit
- Defrosting refuses to initiate even though there is a large amount of frost that needs to be removed
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