What does the error message M7069-Y axis front limit is abnormal, close to the origin end (X11), mean?

How do I check whether the slide table is touching the limit on the Y axis?

What is the purpose of checking for this error on the K
The solution for M7069-Y axis front limit is abnormal, close to the origin end (X11) is to check whether the slide table touches the limit. The problem could be caused by the slide table moving too far