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Haier HR24D2VAR Defrost Sensor Board
The defrost sensor board commences the defrost cycle in order to keep the outdoor unit free from frost build-up. The control board depends on a defrost sensor located somewhere by the condenser to agree when to initiate the defrosting cycle.
What are the signs that the Haier defrost sensor board really needs to be replaced?
- Defrost mode never starts even though there is quite a bit frost on the unit
- Most systems will not operate due in part to way too much frost build-up
- The control board may signify an error code produced when the defrost control board fails to receive a signal
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