Maintenance
Contents of this chapter
This chapter gives instructions on how to do maintenance on the control unit.
Replacing the real-time clock battery
WARNING
Obey the safety instructions of the drive. If you ignore them,
injury or death, or damage to the equipment can occur. If you are not a qualified
electrical professional, do not do installation, commissioning or maintenance
work.
Replace the real-time clock battery if the BATT OK LED is off when the control unit is
powered.
1. Stop the drive and do the steps in section Electrical safety precautions of the
converter hardware manual.
2. Remove the fastening screw.
3. Replace the battery with a new BR2032 battery.
5
Maintenance 25