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Replacing the BCU control unit battery
WARNING!
Obey the safety instructions given in ACS880 multidrives cabinets and
modules safety instructions (3AUA0000102301 [English]). If you ignore
the safety instructions, injury or death, or damage to the equipment
can occur.
If you are not a qualified electrical professional, do not do installation
or maintenance work.
Replace the real-time clock battery if the BATT OK LED is not illuminated when the
control unit is powered.
1. Stop the drive and do the steps in section Electrical safety precautions (page 44)
before you start the work.
2. Undo the fastening screw and remove the battery.
3. Replace the battery with a new BR2032 battery.
4. Dispose of the old battery according to local disposal rules or applicable laws.
5. Set the real-time clock.
Maintenance 139
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