Does anyone have experience with the Misonix/QSonica sonicator throwing an 'out of lock' error . Power reads 0W as well, and no ultrasound comes out (even initially). Some initial horn check error?

A google search brings up these units on ebay sold 'as is', with the same kind of error, so it appears to be a common issue. The sonicator manual does not contain this error description, how helpful. The tip and horn, at least visually, seem OK. I could borrow the horn from another identical sonicator to debug... but I was hoping it was something simple. I have a basic electronics shop at the lab, so, not afraid to take the thing apart.

Cheers!

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