Note On Battery Unit; Battery Pack Replacement - YASKAWA MH180 Operating And Maintenance Manual

Maintenance and inspection
9.2
9.2.1
1
Fastening bolts of cover plate
1
Power input module
2
The battery units are installed as shown in picture "The location of the battery unit".
If battery alarm occuring in the robot controller, battery pack has to be changed in the
following form.
1. Turn the robot controller to the main power supply (see ).
Main power switch in "switch-off" position
1
2. Remove the fixing screws from the cover plate.
3. Carefully pull out the battery pack from the base.
NOTICE
The absolute encoder data will be lost
Removing the battery pack, make sure you not to remove the plug from circuit board.
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Note on battery unit

Battery pack replacement

2
Fig. 9-3: Battery unit location
Fig. 9-4: Main power switch in "switch-off" position
3
4
Battery unit
3
Circuit board
4
1
WARNING
High Voltage
Do not open the door
with power ON.