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International Comfort Products PGMD24G0905 Defrost Sensor Board
The defrost sensor control board determines when to initiate an important defrosting cycle which may be needed in order to keep the outdoor unit free from frost build-up. The defrost board relies on a specific sensor located near the condenser to decide when to initiate the defrosting cycle.
Some clues of a poorly working AC defrost sensor board
- The primary control board could display an error signal if the defrost control board fails
- The system may cease to function due in part to way too much frost build-up
- Defrost mode has not run for quite some time especially when there is a rather large amount of frost on the outdoor unit
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