gws 19-125 is switched off when working without vacuum cleaner in dust

[ole325]

When cutting ceramic tiles GWS turns off, if you connect a vacuum cleaner, all is well.
faulty tool or feature of this model?

[haifisch18]

Wich GWS 19-125? Wich kind of switch?
My GWS 19-125 CIE doesnt do it, yours seems to be a faulty tool.