Megane II ac problem

Here are quite many topics about how Megane II aircon does not work. Light in the dash comes on, but no cold air.



I have little bit different problem. Also, no cold air, but even light does not come on. Fuse is ok. Tried to connect with OBD device, but it cannot connect with air conditioning module. With any other modules (engine, brakes, instrument etc) it connects without problem. I was looking for a relay, but so far haven't located it. I assume there is some kind of power problem.. maybe someone can suggest something..