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Mitsubishi MSZ-GA35VA Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin an important defrosting cycle which actually helps to rid your unit of frost that can build up. The board looks to a specific sensor that can be found near the condenser, in order to make the decision on when to begin.
General indicators that your the defrost sensor board is going to die
- The main control board may throw an error of some type referring to a bad defrost board
- Self defrost sequence will not initiate despite that there is a large amount frost on the outdoor unit
- The whole system may cease to operate due to way too much frost build-up
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