Maintenance 159
Replacing the control unit battery
WARNING! Obey the instructions in chapter Safety instructions. If you ignore
them, injury or death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section Electrical safety precautions on page 16
before you start the work.
To replace the control unit battery:
1. Remove the M4x8 (T20) screws at the ends of the control unit.
2. To see the battery, remove the XD2D terminal block.
3. Carefully lift the edge of the control unit cover on the side with the I/O terminal blocks.
4. Carefully pull the battery out of the battery holder.
5. Carefully put a new CR2032 battery into the battery holder.
6. Close the control unit cover.
7. Tighten the M4×8 (T20) screws.
8. Install the XD2D terminal block.
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