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International Comfort Products GPSM48S120F Defrost Sensor Board
The defrost sensor board determines when or if to start an important defrosting cycle which may be necessary to continue normal heating and cooling operations. The control board looks to a defrost sensor located near the condenser to agree when to begin.
Signals your outdoor defrost sensor board has little life left
- Defrost session has not run for a while despite the fact that there is quite a bit frost on the unit
- The main board may signify a specific error code if the defrost board goes out
- The HVAC system could not work due to the fact of way too much frost build-up
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