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International Comfort Products GPCM36L080F Defrost Sensor Board
The defrost sensor control board controls when to launch the defrosting phase which assists to get rid of the frost that collects on the outdoor unit. The control board is influenced by a defrost sensor located in the outdoor unit to make the decision on when to initiate the defrosting cycle.
Cues to watch for in a failing defrost sensor board
- The main circuit board may issue a particular error code if the defrost board fails
- Self defrost sequence does not begin even though there is excessive frost on the outdoor unit
- The whole system may cease to function for the fact of the safety issue that the frost poses
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