What does it mean when you have no power to your thermostat?
A quick fix to restore your thermostat’s power is a tripped circuit breaker or blown fuse, depending what you have in your home. Sometimes a surge can cause this issue. If you check your electrical box and a circuit breaker is tripped, just flip it back. Once this is done, check your thermostat.
What happens if my AC thermostat is not working?
The Air Conditioner Suddenly Stops Working If it is not, the thermostat cannot signal the air conditioner to cycle on. Look for and address simple reasons why the thermostat isn’t getting power, such as dead batteries or a tripped breaker or blown fuse in your main electrical service panel.
Is there a fuse on my thermostat?
A blown fuse inside your thermostat will cause the device to malfunction. You’ll need to open the panel and locate the fuse. This is a small, clear cylinder with metal ends and a filament running through the center. If this filament brakes, the fuse has blown and will need replacing.
Where is a fuse for a thermostat?
Simply locate your breaker panel or fuse box (usually either outside your home or located in a closet somewhere inside) and look for the fuse or circuit that your furnace is on. If the fuse is blown, replace it.
What to do if there is no power to the thermostat?
If there is no power to the thermostat then you will need to call a professional electrician to run a new wire from the HVAC unit to the thermostat. Joshua Black is a business writer, copywriter and blogger who began his professional writing career in 2000.
What kind of power does a Hunker Electric Thermostat use?
Hunker may earn compensation through affiliate links in this story. If you have a digital or analog thermostat, you may be seeing a readout at the unit, but your air conditioner or furnace is still not turning on. The thermostat uses 24 volt power coming from the furnace or air conditioner.
What should the power reading be on my thermostat?
If the thermostat has power, the reading should be between 22 and 26 volts. If the reading is 0, the thermostat isn’t getting power. Honeywell Home: How Do I Wire My Thermostat?
Why is my digital thermostat not turning on?
If you have a digital or analog thermostat, you may be seeing a readout at the unit, but your air conditioner or furnace is still not turning on. The thermostat uses 24 volt power coming from the furnace or air conditioner. If there is no power to this wire, the thermostat will not be able to send a signal to the HVAC system to turn it on.