The Ice Section Helped

https://zionjuzi059.keystonescope.com/posts/ac-repair-for-heritage-homes-by-comfort-experts-in-north-fort-worth

The Ice Section Helped The section on frozen coils helped. Ours iced over on a Sunday and my first instinct was to crank the thermostat lower. Glad I read this first. Turned it off, let it thaw, changed a very gray filter and it's been cooling normally