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Short circuit, something is broken but what?

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Hello everyone,

I just fixed some issues with my i3 but facing new ones allready. I was being very very stupid and created a short circuit while trying to measure the voltage but the multimeter was set to ampere. I connected the + and - of the heatbed for like 0,0001 second while it was on and heared a little cripsy sound.

After checking every function of the printer there are two problems:

1. The heatbed wont go off. As soon as i plug in the PS it starts heating. No matter what i tell it to do.

2. The Y motor behaves like it doesnt gets enough current but cranking it up doesnt get me anywhere. It just doesnt do anything and when im lowering the current it starts shaking.

Whats the best move right now? I've no clue what parts ive just destroyed. :-(

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