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My name is Billy. If "WAIT" has been on screen more than 5 minutes then the delay timer in the thermostat is defective.
Unfortunately the thermostat cannot be field repaired and must be replaced.
If you would like to try a wiring temporary bypass I could assist
remove the top portion of the thermostat.
then tell me what color wire is on what terminal.
example...red is on r...yellow on y
or...take a pic and post here using attach files link
Then I can instruct how to run until you have new thermostat
Ok, then the thermostat is possibly ok.
Lets try the bypass and that will confirm if it is thermostat or not
thank you...first get a paperclip or safety pin...shape in a U
Hold one end on R while other end on G
tell me if blower kicks on
can you post a pic please....if you use the u shape wire we do not need to remove yet.
But if you can post pic we can move along quicker