![Blank screen suddenly. THX9421R5021WW. 3yrs. Replaced the battery..CR2032 Thats it No idea why it stopped 2 days ago Its Blank screen suddenly. THX9421R5021WW. 3yrs. Replaced the battery..CR2032 Thats it No idea why it stopped 2 days ago Its](http://ww2.justanswer.com/uploads/NI/NinacgMod/2020-11-28_221204_20201127_130011.jpg)
Blank screen suddenly. THX9421R5021WW. 3yrs. Replaced the battery..CR2032 Thats it No idea why it stopped 2 days ago Its
![Honeywell thermostat display not readable, and every help guide I've found online is for if the screen is blank : r/fixit Honeywell thermostat display not readable, and every help guide I've found online is for if the screen is blank : r/fixit](https://preview.redd.it/sr7onf2rvlj81.jpg?width=640&crop=smart&auto=webp&s=8ab14c44a6af0342735cde028603eddb26c6adf2)
Honeywell thermostat display not readable, and every help guide I've found online is for if the screen is blank : r/fixit
![Honeywell thermostat display not readable, and every help guide I've found online is for if the screen is blank : r/fixit Honeywell thermostat display not readable, and every help guide I've found online is for if the screen is blank : r/fixit](https://i.redd.it/0494esr6wlj81.jpg)
Honeywell thermostat display not readable, and every help guide I've found online is for if the screen is blank : r/fixit
![How to Fix Faulty Honeywell Thermostat Screen. I Will Show You How You Can Repair Your Screen. - YouTube How to Fix Faulty Honeywell Thermostat Screen. I Will Show You How You Can Repair Your Screen. - YouTube](https://i.ytimg.com/vi/WuKFcgPk_b0/maxresdefault.jpg)