Replacing The Control Panel Battery; Replacing The Control Unit Battery; Memory Unit - ABB ACS880-07 Hardware Manual

Maintenance 173

Replacing the control panel battery

The battery is housed on the rear of the control panel. Replace with a new CR 2032
battery. Dispose the old battery according to local disposal rules or applicable laws.

Replacing the control unit battery

1. Stop the drive and do the steps in section Precautions before electrical work 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.

Memory unit

When a drive is replaced, the parameter settings can be retained by transferring the
memory unit from the defective drive to the new drive. The memory unit is located on the
control unit, see page 120 or 130.