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Kenmore 661624530 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrost sequence which actually helps to keep the outdoor unit free from frost build-up. The control board relies on a sensor located near the condenser to make the decision on when to begin.
Subtle cues of a dying defrost sensor board
- The control board may throw an error code produced when the defrost control board fails to receive a signal
- AC and heating system could cease to function for the simple fact of the safety issue that the frost poses
- Defrost mode will not initiate despite the fact that there is quite a bit frost on the outdoor unit
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