HVAC short cycling doesn't necessarily mean a broken thermostat

I recently reviewed a case from a commercial HVAC repair follow-up. The core issue was that the shop owner said the AC was cycling on and off every few minutes, and it still didn't work even after replacing the thermostat. The tricky part about this situation wasn't any single action, but rather that everyone involved felt they were right. I started by connecting the records from the front-end…