1. Switch off the power from the drive.
2. Open the cover, if not already opened. Frame R4: see page 140, frame R5: see
page 148, frames R6…R9: see page 92.
3. To disconnect the internal EMC filter, remove the EMC screw(s).
4. To disconnect the ground-to-phase varistor, remove the varistor screw.
Electrical installation – Global (IEC) 137