Troubleshoot and Fix a Thermostat Too frequently when the air conditioner or even heater will be malfunctioning or even just not necessarily carrying out exactly what it should, the homeowner instantly suspects the air conditioner, furnace, or boiler. Slide a bit of bond paper involving the lever as well as contacts to wash them. Reassemble the actual thermostat. Adjusting any Thermostat Anticipator Kill the particular power in the circuit breaker panel. Remove your thermostat cover. Find your label listing the actual ampere setting for the thermostat along with create it down. About an air distribution system, set it correct around the ampere environment found inside the last step; on the h2o distribution system, set it 1.4 occasions the ampere setting. . This article outlines the approach to troubleshoot a new thermostat along with hopefully steer clear of a costly visit from a heating and cooling support person. A thermostat that's not operating correctly will raise energy bills. It might be within the manual, on the furnace services panel, or even on the boiler transformer. Set the actual anticipator upon its scale. It's as simple as changing an electrical light switch!