Toto THU9179 Remote Control Assembly for S400 Washlet

hello this is my total toilet with a billion Washlet as many functions the functions are controlled by this remote control panel over here a couple of months ago we noticed that the remote control will not function normally anymore you could press on the buttons and nothing would happen and if you look at the display you'll notice that is showing this transmission of signal that the toilet is not responding then we notice a pattern during the day the remote control would work but in the evenings it would not work then I remembered about the same time that the remote control stopped functioning normally the light had become dimmer and I don't know if you can hear that there's a buzzing sound that was not there before so let's do a test let me turn the light off no buzzing and then let's look at this normally the toilet seat cover would open up by itself because of the proximity sensor an