Incoming voltage to head lower than it shoud be.

MedWrench is available to help people with specific questions and troubleshooting problems. Could you please be more specific with the issue that you are having with your instrument, and the MedWrench team will do their best to assist you in solving the issue. This will also help other community members who face similar challenges.

Another user has passed along the manual, you can find it here or under the documents tab.

The manual will not load it just keeps  showing a spinning gear. tried several times . Maybe a bad link?