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Hi Guys,

So Back in 2018 I purchased my Tevo Little Monster,
Contrary to many hate posts about the machine I;ve actually been very happy with it,

The only thing I altered on it was the occasional thermistor,

Now 2 days ago the printer started to make a very harsh an agressive sound, as if the carriage was bumping into something,
at first I though this was because I was running smaal/thin prints at 140mm/s
But the sound persisted even when turning the speed all the way down to 50mm/s.

It turned out the X and Y carriages had a bit of play along the C-beam, I adjusted this and did an autocalibration run,
However the bed leveling now is way off, I don;t have any pictures right now, but lets say it prints a circle, starting at the Z-tower CCW, it takes a dip close to the X tower, then rises again between the X and Y towers whilst it prints quite allright on the rest of the bed,

This really puzzles me, I tried recalibrating multiple time,

  • Cleaned the bed meticulously,
  • The end stop probes/set screws are all set within 0.03mm deviation from one another (changing the lengths of these screws doesn;t change anything too by the way).
  • All the bolts on the entire machine are secured.

Could the BLTouch suddenly have broken?
Am I missing something hard-ware wuse, since this occured after altering the hardware...
I never had these problems with it before...

Any thoughts/advise?

I don't have any pictures or G-codes available right now, but if needed please let me know and I'll supply this ASAP