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International Comfort Products GPSM60L140E Defrost Sensor Board
The defrost sensor board instructs the system to activate the defrost sequence which helps to keep the outdoor unit free from frost build-up. The defrost board depends on a defrost sensor that can be found near the condenser, in order to verify when to begin.
Subtle cues of a weak defrost board
- AC and heating system could not operate for the simple fact of the safety issue that the frost poses
- Defrost session never kicks in despite the fact that there is a lot of frost that needs to be removed
- The main circuit board could throw an error number referring to the failed defrost sequence
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