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Probe head issue

Hi all, i need help ASAP. My probe head Tesa Star M Can't be fixed at some angles e.g. A75B0, A105B0. After several attempts to fix tself controler switching off and there is "Wrist Error" message on screen. Is it possible to repair it or only way to buy new one? If Yes, please give me contact who can repair it. Thaks in advanceDisappointed