XSARA 1 heating fan 1

I have an Xsara1 to which only the heating fan works in position 4. I thought that the breakdown came from the resistances, but when disassembling these and checking them with the author, they were fine. I think it's the command. If someone has had the same problem, I would appreciate it to tell me how it has solved it.

The problem is in the heating command make a linges and look like the contacts this