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Lennox G26Q4-75 Defrost Sensor Board
The defrost control board commences the defrost sequence which helps to keep the outdoor unit free from frost build-up. The defrost sensor board is influenced by a sensor that can be found near the condenser, in order to ascertain when to begin.
Simple indications of a defective defrost sensor board
- The main control board may throw a type of error code if the defrost control board fails
- Defrost mode never begins even though there is excessive frost that makes the unit run like crap
- Most systems will stop working for the fact of the amount of frost on the outdoor unit
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