Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 15)

PC NC Maintenance Manual Chapter 2: Routine Inspection
2-2
2. Turn OFF the door interlock switch, if provided. (The power can be turned ON
with the door open.)
3. Open the door to view the NC rack.
4. Turn the power ON. If the Battery Alarm LED is displayed in the Message Bar
on the top portion of the screen, the battery must be replaced within 16 hours.
Do not use commercially-available batteries. Contact a Yaskawa customer ser-
vice representative.
5. If the battery must be replaced, turn the power OFF. Remove the battery from
the battery holder.
6. Place the new battery in the holder and set the connector. (Note: the direction
of the connector is unimportant; however, poor connection may result in a lack
of conduction.). Refer to the figure below.
Figure 2.1: Battery Connection
Correct Correct Incorrect
Figure 2.2: Replacement Battery