bldc fans

So, I have 2 units of Efficio installed and working already in this house. One I had to dump because it was giving too many issues after warranty was over. I had to get a new fan to replace that, and I decided to get Renesa this time around. And it seems to have backfired because this fan is...

I bought this fan Amazon.in in 2021. Paid about 6300 for 2 units. In 2024 one of the fan stopped responding to remote and there is no other way to control it, I have tried some hacks but it didn't worked with my fan model. Now I am not sure when exactly issue happened because since winter...