Yaskawa Yasnac PC NC - Manual (Page 32)

YASNAC PC NC Operating Manual Chapter 2: PC NC System Outline
2 - 11
(2) Replacing the Battery
Replace the battery easily with the following procedure.
Turn the PC NC power OFF.
Remove connector of Battery.Then, remove the battery from the holder by removing the
solder.
Fit the new battery in the holder and carefully solder RED(+) and BLACK (-) wires to the
Battery. Put the battery in its holder. Then put back battery connector, the connector may
be inserted in either direction, it must be securely inserted, otherwise, the power will not
be supplied by the battery. (See Fig. 2.7.)
Fig. 2.3.4.2 Connecting the Battery Connector
Turn the power ON.
Make sure that “BAT” is not blinking on the CRT screen, and that the red color LED in
the board is OFF.
Note 1: Table/FigNote1
1. If the red color LED remains lit after replacing the battery, the connector might be inserted
incorrectly or the battery might be faulty.
2. Power OFF operation is allowed a few seconds after turning the power ON.
3. After turning the power OFF, replace the battery quickly. If the PC NC unit is left with the
battery removed, the data stored in the memory could be lost.
B
A
T
T
E
R
Y
Connect Red wire
( + )
Connect Black wire ( - )