![]() A local HVAC technician can validate this for you. It might be something basic like a loose wire, or it could be something more serious, which might need to be replaced. The actual thermostat might have a fault, and that could be the cause of the short cycling. The thermostat will be confused by these places about what the actual temperature is inside your house. It should also not be installed close to a supply air vent. The thermostat should ideally not be installed close to a window that gets lots of sunlight. The thermostat uses the reading to send “off” and “on” signals to the unit’s compressor. Some of the main reasons why a thermostat goes blank and then turns back on including the following:Īn AC thermostat has a temperature sensor that measures the surrounding temperature. Major Causes Of A Thermostat Going Off And On You can see an indication of short cycling with your own yes when your thermostat goes black and then repeatedly comes back on in quick succession. When that happens, the home does not adequately cool down or heat up. The problem is referred to as “short cycling.” This term refers to situations where the air conditioner turns off and on in small bursts. Sometimes, there is an increase in the number of cycles. The cycle on an air conditioner, on average, lasts for about 20 minutes. ![]() Usually, this problem originates within the heating system. Your thermostat is going blank and then coming back on that is a classic sign of short cycling. What Does It Mean When Your Thermostat Goes Blank? It triggers the switch to close or open, by interjecting or completing an electrical circuit that operates the cooling and heating systems of a house. The temperature sensor is one component of the thermostat. It senses what the temperature is and helps to keep it regulated at the specified level. The thermostat is one of the most critical components of all HVAC and AC units. Have you ever wondered what causes the thermostat to go blank and then turn back on? That is an indication that the thermostat has a part that isn’t working correctly. A thermostat, like all other working parts, is vulnerable to having issues. Whenever your heating and cooling isn’t meeting your expectations is when you tend to take a look at it and fiddle around with it. The following are some of the common causes for a blank thermostat screen, and how to fix it. If the screen on your thermostat is blank, there might be a straightforward solution to the problem. Is it just a case of needing to replace the batteries? It is an issue that is going to be very expensive to repair? Is there any faulty wiring? Maybe the entire HVAC system has broken down, and it needs to be replaced!ĭon’t panic just yet. How To Diagnose and Fix a Blank Thermostat Screenįor any homeowner, a blank thermostat screen can be an alarming sign, especially in the hottest part of the summer or in the dead of winter. Try our Emergency Service Application 100% FREE FOREVER Install Now.
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