haas vf2 error 131 tool not clamped

[jeromep]

Hi,
We have a Haas vf2,

Today the machine has stopped twice with the same error 131 tool not clamped.

This has only happened to tool number 5 out of 10 different tools in the carousel which are all used in the same programme.

What would be the most likely cause of this and how do I fix it ?

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[LeeWay]

I would think it is a dirty tool holder or maybe a loose or incorrect pull stud. Possibly an out of spec tool holder.
I would suggest a good leaning of the spindle pocket and tool holders.

[mactec54]

Hi,
We have a Haas vf2,

Today the machine has stopped twice with the same error 131 tool not clamped.

This has only happened to tool number 5 out of 10 different tools in the carousel which are all used in the same programme.

What would be the most likely cause of this and how do I fix it ?

Most likely the Proximity switches at the top of the spindle for the tool change, may need adjusting or one is starting to fail

[jeromep]

hi,
i ahve found the problem the bellville washers that hold the tool holder up in the spindle were mostly all broken, bought new unit off haas £400 fairly easy fix