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Goodman ARUF374316 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin an important defrosting cycle if necessary, to continue normal heating and cooling operations. The defrost board is influenced by a defrost sensor located near the condenser to determine when to begin.
Major indications of an ailing AC defrost sensor board
- Defrosting does not run even though there is excessive frost on the unit
- The main board could display an error signal referring to a bad defrost board
- The system may stop operating at all because of the frost blocking the flow of air
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