EN – R6…R9 Quick installation guide   19
 Disconnect EMC filter or ground-to-phase varistor, if needed
To disconnect the internal EMC filter or ground-to-phase varistor, if needed, do as 
follows:
1. Switch off the power from the drive.
2. Open the front cover, if not already opened, see steps 5, IP21 and 5, IP55 in 
figure R6…R9 Figures A on page 157.
3. To disconnect the internal EMC filter, remove the two EMC screws.
4. To disconnect the ground-to-phase varistor, remove the varistor screw.