- Clean and dry the handpiece connection and try again.
- Your PIEZON® Handpiece LED might have been switched off by activity time-outs:
- after 10 minutes of continuous operation,
- or after 20 seconds of inactivity off the holder.
In both cases, put back the handpiece into the holder, wait 1 minute and try again.
If still not solved, contact EMS aftersales service.





