Why is my thermostat going blank?
If your thermostat wall does not have a c-wire, or common wire, your thermostat most likely is not hooked up to your HVAC system for its power and needs batteries. When your screen is blank, it could indicate you need to replace the batteries. Most thermostats display a low-battery symbol when the juice is running low.
Is 74 too low for AC?
Typically, our bodies are most comfortable when the air inside our home is 74-76 degrees. So, a safe setting is 75 degrees. However, this is only necessary when you’re in your home. But, be careful not to set your thermostat too high, as your unit will struggle to return to your comfort level.
When do you think your thermostat is a problem?
While the thermostat may be the problem, make sure you eliminate other possible heating and cooling problems. There comes a time when the thermostat has a problem or the end-user wants to replace the thermostat because they think it is a broken thermostat.
Where does the power for the thermostat come from?
The thermostat gets this 24 volts A.C. from the air conditioning and heating equipment. Usually, this power comes from an air handler in an air conditioning and heating split system and from the main unit for air conditioning and heating package systems.
Why does my Honeywell thermostat read blank?
If your thermostat is acting up, check your unit’s fuses. One reason the thermostat display might read blank it’s because the circuit breakers on your central air conditioner or furnace might have tripped. First, try flipping the breaker switch to the Off and back to the On position.
Do you need to replace your home thermostat?
If yours is up there in age, check with your local HVAC professionals to see whether or not your thermostat needs to be replaced. No family should be forced to deal with a problematic thermostat that makes their home unbearably hot or freezing cold.
