CE marking of machines are regulated by Machinery Directive 2006/42/EC. This directive may be complicated. Thus European Commission of EU publishes guides to make it more clear. Lastly, on October 2019, Guide to application of the Machinery Directive is revised. You can click below link and download the recent guide:
Do you need any testing or certification service for your machinery?
For your machines, you may need below testing or certification services:
Electromagnetic Compatibility (EMC) Testing
RF / Radio Testing
Notified Body Certification
When you need any of above tests contact Testups.