Service guy #4 calls back (really grumpy guy) tells me to push reset (already did) tells me to turn thermostat up as high as it goes (if it didn't kick on at 68 it ain't gonna do it 90...)tells me to change batteries (already did)so Mr. Grumpy finally comes out and lo and behold the there was a clogged pin or something like that that was preventing it from firing on it is own which no doubt was the