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Carrier FX4BNF042000 Defrost Sensor Board
The defrost control board commences the defrost sequence which may be needed in order to defrost your outdoor unit. The control board is influenced by a temperature sensor which is near the condenser somewhere, in order to agree when the defrost cycle should begin.
Major indications of a weakening Carrier defrost sensor board
- Unit defrost session will not kick in despite that there is a large amount frost built up
- The main circuit board may signify an alphanumeric error code referring to the failed defrost sequence
- Air conditioning may stop functioning at all because of the frost issue
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Before you decide on buying or ordering do your best and cross-check the model number and also make a visual inspection so that you are positive that the correct replacement defrost sensor board is being ordered. The installing of a new defrost sensor board is a piece of cake provided you energy and have the tools to do it right.
Feel free to download your manual for help.
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