Hi Folks,   I've seen so many times that the double wire (+ and -) 24 VDC used for the heat bed become burned, this frequently occur on the heat bed connect block or on the block at main PCB. Ultimaker changed those screw terminal blocks later on in the production and I'm not sure if there is some blocks of this new spring tension blocks that has failed. However, there is a fix for anything so lets go..   Those terminal blocks are really well selected as they are de