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Whirlpool ATR1552BPP0 Defrost Sensor Board
The defrost control board will determine when to initiate the defrost sequence which may be necessary to continue normal heating and cooling operations. The defrost sensor board depends on a sensor located in the outdoor unit to ascertain when to begin.
How can I tell if my outdoor defrost sensor board is dying?
- Most systems will stop operating because of lack of airflow through the outdoor unit
- Your main control board could signify an alphanumeric error code produced when the defrost control board fails to receive a signal
- Defrost mode has not run for quite some time even though there is excessive frost on the external unit
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