YASKAWA YYR-1-06VXH25-A10 Operating And Maintenance Manual page 53

Maintenance and inspection
3. Remove the connector from the "IN" port of the multi-port connector. Connect the lead
for battery replacement to the "IN" port of the multi-port connector.
4. Connect the battery pack for backup to the lead for battery replacement.
5. The old battery pack is fixed with the protective tube and the cable tie. Cut the cable tie
to remove the old battery pack from the protective tube.
NOTICE
Before removing the old battery pack, make sure to connect the battery pack for backup to
prevent the encoder absolute data from disappearing.
6. Remove the old battery pack from the multi-port connector and mount the new battery
pack.
7. Remove the lead for battery replacement and the battery pack for backup from the
multi-port connector, connect the connector which has been removed in no.3 of this
procedure to the "IN" connector again.
NOTICE
If the battery pack for backup remains connected, an electric current flows from the new
battery to the backup battery and which may result in the voltage drop in the new battery.
Remove the battery pack for backup immediately after connecting the new battery.
8. After placing the new battery pack into the protective tube, fix it with the cable tie T18L.
9. Tighten the cover mounting bolts by using the tightening torque shown in figure
"Location of the battery and multi-port connector" to reinstall the cover.
NOTICE
When reinstalling the cover, be careful not to get caught the cable.
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