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