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International Comfort Products TCH030AKA1 Defrost Sensor Board
The defrost sensor board will determine when to initiate the defrosting phase which assists to continue normal heating and cooling operations. The defrost sensor board depends on a sensor located in the outdoor unit to ascertain when to initiate the defrosting cycle.
Signs of a barely functioning defrost board
- The main board could display an alphanumeric error code when a defrost board fails to initialize
- Air conditioning may not operate for the fact of the safety issue that the frost poses
- Defrost mode has not run for a while even though there is excessive frost on the outdoor unit
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