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Friedrich PH14B Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin an important defrosting cycle in order to continue normal heating and cooling operations. The defrost board relies on a sensor located near the condenser to decide when to initiate the defrosting cycle.
Major warnings of a poorly working AC defrost sensor board
- Defrost session never runs despite the fact that there is quite a bit frost on the external unit
- The main control board may signify an error number when encountering a problem
- Your HVAC system will stop working due to the fact that there is too much frost
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