the signal is turned on when the conditions are met, but it is turned off when the conditions are met
video https://mega.nz/file/P9MFTYDa#dL_71SEFdSe26PRek-_F1-4-wKa67b2XoN3_MHLJmVI

Weird. What mod version and game version please.

minecraft 1.15.2
rftoolsutility-1.15-2.1.3-beta
mcjtylib-1.15-4.1.0-beta