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International Comfort Products GPFM60H140E Defrost Sensor Board
The defrost sensor board initiates the defrost sequence which may be necessary to continue normal heating and cooling operations. The control board relies on a specific sensor which is near the condenser somewhere, in order to make the decision on when to begin.
What are some hints that my AC defrost sensor board is almost going bad?
- Your system could cease to function for the simple fact of frost blocking the fins on the outside unit
- The main control board might issue an error of some type when the defrost control board refuses to initialize properly
- Unit defrost session has not run for quite some time despite the fact that there is quite a bit frost that needs to be removed
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