I’m a service engineer. Problems like this are common for me. And sorry for you to hear a clear „No“ on my behalf - there is no common or usual way to get a machine up and running. I went over 20 iterations or more, which is normal for custom made machines.
Posts made by freelancer77
RE: Proper calibration of Printrbot Simple Metal
RE: Print not starting due to temperature above set value
Think flexible. 3°C won’t kill you. For learning about this root cause, I would set it to 87°C, or 85°C - and monitor what will happen.