4. If necessary, set the real-time clock.
5. Discard the old battery according to local disposal rules or applicable laws.
Replacing the memory unit
If you replace the control unit, move the memory unit from the old control unit to the
new control unit to keep the existing parameter settings.
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.
NOTICE
Do not remove or insert the memory unit 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. Make sure that the control unit is not powered.
3. Remove the fastening screw and pull the memory unit out.
4. Install a memory unit in reverse order.
26 Maintenance
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