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Fujitsu ASU30CLX Defrost Sensor Board
The defrost sensor control board instructs the system to activate the defrost sequence which aids to get rid of the frost that collects on the outdoor unit. The board is influenced by a specific sensor which is near the condenser somewhere, in order to ascertain when to begin.
Warnings the AC defrost sensor board has little life left
- The HVAC system could not operate due in part to the amount of frost on the outdoor unit
- The main board could signify an error signal when encountering a problem
- Defrost session does not run even though there is quite a bit frost that has built up
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