The heat bed of my ender 3 pro does not warm (count) up.

Can only print with heat bed at ambient temp.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0:

I know it sounds silly but have you checked the connections to the printers board?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

Now I have found that one of the cables connecting the buildplate have gone in the soldering. I most probably dismantle the buildplate and make the soldering.

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0