Here are some of the most common reasons why your thermostat screen might be blank as well as ways to fix it. This might seem silly but if your thermostat is blank its best to double check that its on.
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Thermostat keeps going blank. The batteries are dead 3. Simply reset the circuit breaker and see if that solves the problem. 4 reasons your thermostat is blank 1. Most modern thermostats are powered by the transformer in your air handler or furnace. Typically thermostats are connected to a home or business via the main electrical system. The batteries in your.
If your thermostat is blank the first thing you should do is. The circuit breaker tripped. It resta read more. 10 reasons why your thermostat is blank 1. Issue with your ac and. If the screen of your honeywell thermostat is blank you should first check the furnace or air conditioner to be sure both are on and functioning properly.
For the chronotherm lll during the heat cycle the system light shuts off and ac is displayed instead of the temperature. You may need to replace your thermostat. Power stealing thermostats get their power from the transformer. The circuit breaker tripped 2. A fix could be as simple as closing the door of the furnace. Why is my thermostat blank.
If youve tried all of the troubleshooting explained above and your thermostat remains blank call an hvac professional to help you determine whether its time to replace your thermostat or whether youre dealing with a more complicated issue that can still be repaired. Remove the front plate of the thermostat from the wall to find the batteries and change them. If the door to the furnace is open for instance the thermostat display may be blank. The first possibility to look into when you find a blank thermostat screen is to check if the unit needs to have its batteries changed. Thermostat batteries died and need to be replaced. Thermostats can either run from a direct connection to the electrical system or from batteries.
Many are wired into the electrical system of the house. The carrier programable thermostat goes blank after appx 2 minutes of heat then read more. The furnace combustion fan shuts off but the blower continues to run. Not all thermostats use batteries. If you have a blank thermostat screen there may be a simple solution to your problem. The thermostat needs to be replaced.
If your thermostat is one of the latter a blank screen probably means the batteries have gone dead. In rare cases the transformer could be located in the condensing unit. There are loose connections or wiring problems 5. This is another silly thing that can cause your thermostat to go blank. The possible reason your thermostat screen can go blank is a loss of power to the furnace. If the circuit breaker trips youll see a blank thermostat screen.
The safety switch was triggered 4.
Gallery of Thermostat Keeps Going Blank
