LG Refrigerator Mullion is not working Service Bulletin 1.0.0

PUB CNZ202000073

for models LFXS28566S, LFXS26973S, LFXS28968S, LMXS28626S, LFXS26596S, LFXS28596S, LFXS26973D, LFXS28596D, LFXS28968D , LMXS28626D, LFCC22426S, LFXS28566D LFXS28566M, LFXS28596M, LMXS28596S, LFXC22526S, LFXC22526D, LFXC22596S, LFXC22596D, LFXS26596D, LMXS28596D, LFCS27596S