Blinker on CV is crazy

Since today the turn signal on my CV plays crazy: No matter which side I blink to, the turn signal goes very fast and the relay ticks very loudly. I first thought that a bulb is defective, but that’s not so. All pears OK. Warning turn signal goes normal. That was today noon. Tonight the vehicle started and looked to the right at the first intersection – turn signal goes back to normal. Then left blink – turn signal is racing in front of it, at right blinking now again. that’s it? Relay broken? I made an appointment for tomorrow in the workshop but they always set up like this and everything lasts forever. Maybe I can help with the troubleshooting thanks to your hints……? That costs time again which I don’t have at the moment! I think the worm is really in the car. I already cried after the predecessor today