A thermostat that seems dead is not always the actual problem
https://privatebin.net/?8c5390ef187e03fa#DXeFP9WrbuowrasfdVKjVSnud8tgVfUmbC4FTFwm9fZy
A thermostat that seems dead is not always the actual problem, because control issues can also come from wiring or system-side faults rather than the thermostat itself.