That's the real question guys, last month I could move the gantry all over and now after a few weeks off, in order to make manual traverse in any axis I'm forced to do it with the tab button manual control buttons - the keyboard direction buttons do nothing. I'm pretty certain that I hadn't made any changes, but I willing to try anything.

Thanks!

Have you accidentally clicked the Jog ON/OFF button ??

Tweakie.

Hi Twekie, thanks for the suggestion, but alas, that's turned on.  A while back I had noticed that the Z+ direction was not working, but I almost never use that function and didn't want to interrupt our Christmas gift production in order to find a minor glitch. Now that none work, it's time to find the cause.

Have you tried remapping the keyboard buttons?  CONFIG > System hotkeys