E OFF

What is the name of the manufacturer and model of the equipment you are working on? 

Dear Mr. Ben C

Centrifugeuse NUVE NF800R

After turn on   E  OFF  in display   and STOP

Ozark Biomedical may be able to assist. 

MedWrench should have the User Manual posted for the Nuve NF 800/800R

here directly, it should answer most of your questions.

ciao, come hai risolto il problema?