Battery Replacement - YASKAWA yasnac i80m Instruction Manual

4.2
BATTERY REPLACEMENT
The
memory
in which
the
parameters,
tool corrections and processing
programs are stored
is provided
with
a
backup batteiy so data
are
not
lost
if
a power
failure occurs. The alarm "BAT" will be displayed
on the
NC
operator
panel screen when
the battery becomes
weak.
When this alarm is displayed, it will be
necessary to
replace the battery
within one month.
'ÿ ,he existing battery is removed with
the power OFF,
the stored data will be lost.
2. Since commercial batteries
cannot
be used as is, always consult
your
YASKAWA
representative when replacing the battery.
(REPLACEMENT PROCEDURE)
(1) Depress the POWER OFF switch.
(2)
When
equipped with
a
door interlock switch
Open the front door and pull
out
the moving
part
of the door interlock
switch (There
is a
one-stage
snap action.)
—
Power can then be
turned on with the front door
open.
(3) Open
the front door
sufficiently
so
the NC unit board mounted on the
inside of the door is visible.
Depending
on
the model, the NC unit
may
bemounted
on the main
body
instead of
on
the door.
I
(4) Switch
on
the
power.
(5) Confirm that the LED (red) of the FC200 module lights. If this LED
is lit, it indicates that the battery "ERtiVS"
must
be replaced. The
layout
of the LED and the
battery
is shown in Fig. 4.2.1.
—
The
procedure up to now is
to
confirm that the battery
ER6V3
(with
lead
connector)
is defective.
(6) Set POWER switch
to
OFF.
(7) Remove the old batteiy from
the
connector
and take it
out
of the holder.
(8) Place the new battery
in the holder and insert the
connector.
fliSU)
The
connector
can be inserted in either right or
left
direction.
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