In the back of the respective manuals, there is a chart giving a brief description of the error codes. If more information is needed or an error code is recurrent, it is best to contact Scientific Support for advice to determine if there is a potential system problem. 

The manual of the next generation 4D-Nucleofector® system does not have the error list included. For adapting the errors faster and adding of new error codes with other software versions, we decided to put them online in our supporting pages: 4D-Nucleofector® System Error Codes | Lonza