Having problems with your Air Conditioners ?

My Ruud Achiever 90 plus will light and cut out within a minute or so. The display goes to a single dash which indicates an internal fault. What kind of internal fault? Tonight it restarted after 2 ho

\015 There is a list of error codes and the bottom of the list lists a dash as an internal fault. Internal to what? Bd, blower, heat exchanger? Furnace seems to run during the day but in the evening it has a tough time working. Always shows a dash in the display.\015

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