Indicators flash once

I have noticed today issue with i dictators. My indicators flash once and stop flashing. Hazard lights working without problem.
Previous issue which I fixed is tail light blowing fuse when lights are on (car radio have problem with earth so I disconnected it like has been before). And next step I replace tail stop lights with LED bulbs OSRAM. Can this LED bulbs do this problem? What should I check?
 
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