Dear Wilfried

Danke schon :)

A moving probe is not the case this time. The probe has been placed in the office and connected via landline.
Original flash were dead after a year or so, I had it running with a new one, and now trying a 3rd.
But you made a point. Can a probable unobserved hit damage a working probe badly? (probe has no scratch as evidence if such a hit though) or was it an overlooked electrical shock?

Finally the main question is whether that probe is beyond repair?

Regards,
M.