P
L
9.
TRoUBLESHOOllNG
/MELSEC-A
9.2.7
Flow
chart
used
when
"RD/SD"
LEDs
of
the
A2CCPU
do
not flicker
L
L
c
L.
P
L
"RD/SD" LEDs
"RWSD" LEDs
YES
error code in D9061.
P
L-
Is
error
code
47
.
YES
I
No
Consult the sales representa-
Connect data link cables to
SD (SDA, SDB) and to RD
(RDA, RDB)
of
the master
module and perform data
communication.
referring to the troubleshoot-
LED flicker? ing instructions of respective
User's Manual.
Consult the sales representa-
tive with details.
Perform the following. If the
same error still occurs, re-
place the A2C.
Turn on the power.
Reset.
Move the RUN key switch
from
STOP
to RUN.
I
Check each-
rxl
r