Yaskawa MP920 User's Manual Design - Manual (Page 488)

11 Maintenance and Inspection
11.3.6 Replacing the Battery
11-16
„ Battery Replacement Procedure
Use the following procedure to replace the lithium battery without the Absolute Encoder
data being lost.
1. Turn ON the system power and leave it ON for 10 minutes.
2. Turn OFF the Battery Module.
At this stage, it will not matter whether the system power supply (SERVOPACK power
supply) is ON or OFF.
3. Remove the front panel of the Battery Module.
a) Remove the two upper and lower screws from the front panel.
b) Remove the front panel from the casing with the cables connected.
Note: 1. Be careful not to scratch the board when removing the front panel.
2. Do not apply excessive force to the cables during the work.
Set screw
Set screw
Front panel
Board
Casing
Cable