Exhaust fan quit today. Imagine that, something went wrong with a Glowforge

no kidding. I have had $12,000 parts arrive for my Flow Cytometer DOA.

Fan cable was fine. I am an electrician, I’m 99.9% sure the fan has gone bad.

Thank you for the additional information. Unfortunately, it looks like your unit is experiencing an issue that we can’t resolve remotely. I want you to have a reliable unit, so I’m recommending we replace this one. I’ll be in touch via email to sort out the details. I’m so sorry about the bad news.