does the old v1.2 board has self recovery fuse?

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I was trying to measure the current to see if the extruder motor has enough current and accidentally short the board I guess.
now only board plugged in use the screen will turn on and I can still flash firmware, but plug into wall outlet gives nothing...
I can see on the board there is a T110 and a T050 fuse, are they recoverable? if so how long it takes to recover?