Hello good afternoon! Cleaning a 2300-year-old BGH 2300-freezer unit that works well, the compressor starts and cools but the fan does not cut off when the equipment is turned off with the control, being the only way to stop it by unplugging it. In addition, this fan only turned if it gave him an impulse at the beginning, then I thought the capacitor was the problem, but when he changed it he burst when he turned it on. I guess the problem is on the board, but where? Should I change it directly or can I fix it?

Hello how are you? If you have no knowledge in electronics, I recommend that you take the card to an electronics specialist who can repair the fault.