Good morning,
What cable are you using for the power supply?
Personally until today use a C 19 3 × 1.5 mm² 16 A power cable, however it has started to blacken and burn the electrical outlet. By educating me more deeply, by telling me that it needed 3 × 2.0 mm² of 20 A, unfortunately all the searches done on Google or even chatGPT, impossible to find one of its diameters there.
Hence my question, what cable are you using?