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- I have the flashing lights on my A/C unit...whether it's on Auto, Recirculation or Off, I get the blinking light. However, when I run the diagnostic procedure, nothing shows up other than "00". Is this a case of a dirty control board?
- My "Auto" has never worked. If I set it to Auto, nothing happens even when adjusting the temperature. It only works when I increase the fan speed from "0". Any clue as to what is going on?
Take it out and clean the buttons on the inside. The C68 controls are very finicky. A few of mine gave me problems sometimes and when I took it apart it did not look dirty. I still cleaned them and never had a problem ever since.