Your thermostat may be configured for an electric furnace. Also make sure that the thermostat is securely attached to the subbase with no exposed gaps. 10 Reasons Your Thermostat Screen is Blank. This will return all thermostat settings to their default values. Move lamps or other sources of heat away from thermostat. If the thermostat was hooked up to 120V or 240V power for any length of time, it could be damaged. If you have recently noticed that the screen on your thermostat is blank, then check out this guide and discover some of the most common causes of a blank thermostat display and what you can do to fix the issue. The temperature sensed by the thermostat is higher than the 99 F (37 C) upper limit of the thermostats display range. 1. If you select the circulating fan mode your system fan will come on for 12 minutes at a user selectable interval of system off time. Replace back-up batteries before reprogramming thermostat to make sure you have back-up power. LCD Brightness Display Is Too Low. 2. The thermostat is a crucial part of your home’s HVAC system: you can’t control your air conditioning and heating without it! Some thermostats allow users to adjust the display’s brightness. They must be “AA” type alkaline batteries. Reasons for a Blank Screen on a Honeywell Thermostat. 3. You could check the user manual to see if you can adjust it manually, or increase brightness around the thermostat for the display to become darker. Most thermostats need a 24 VAC power supply. After reading the various ways of handling a Braeburn thermostat, you should now be confident when purchasing your next thermostat from the company. The screen will change, displaying 000 and LOCK will be flashing (Figure 2). It is possible that AC power is not present at the thermostat and the back-up batteries are fully discharged. Locate the batteries on the back of the thermostat body and remove them. Thermostat display is blank. 1. HI is shown in the display where the temperature is normally displayed. Press and hold the or button. To lock or unlock the thermostat, press and hold the NEXT and RETURN buttons together for 5 seconds (Figure 1). Check fuse, circuit breaker and thermostat wiring as appropriate to verify AC power is available. So if you go to your digital thermostat one day to turn on the AC or change its programming only to discover that the display screen showing a total blank, you’ll have a problem on your hands. Smart thermostats come with even more advanced features that let you have better control over them. It can cool or warm down any room you want by making use of your furnace. • Adjust the screen brightness setting. Here is how you can change the batteries in your Braeburn thermostat quickly and easily: Pull the body of the thermostat from the base. Follow this troubleshooting guide to fix a blank thermostat screen. The screen will change to display ‘000’ and a flashing ‘LOCK’ ... No More Braeburn Thermostat Trouble. The display will return to normal after the sensed temperature lowers within the 40 to 99 F (4 to 37 C) display … https://www.hunker.com/13408122/how-to-troubleshoot-a-braeburn-thermostat braeburn thermostat not working. If you blow a fuse on the furnace control board, your thermostat won’t work properly. Thermostat is Off Open your furnace control panel and check the connection between your thermostat wires. A BLOWN FUSE. Similarly, how do you unlock a Braeburn thermostat? Those that do will typically adjust automatically depending on how much light is around it. A thermostat is one of the most useful devices in a smart home. It helps you adjust the temperature of your house. Install a new set of matching batteries. Your thermostat is the control center for your HVAC system.

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