Fault during operation sm52

Has anyone been through this error?

Sm52-5-p-L cptronic with IR.

The machine suddenly stops and the following error messages show up.

The machine runs after the error. It doesnt get blocked.

Any suggestions?

 

Hi sir
you need to check the variant key of the machine first.
Then Let me know

 

Here you go ..

 

And

 

Check the brake voltage 48v if it s in tolerance +-0.7 .
You need perhaps to repair your uvm cardboard or change it

 

I think uvm 3