YASKAWA YASNAC XRC - AL-0900 to 0906 (WATCHDOG TIMER ERROR); AL-0940 to 0945 (WATCHDOG TIMER ERROR)

AL-0900 to 0906,0940 to 0945 (WATCHDOG TIMER ERROR)
An error occurs during the internal control check.
AL0900
XCP01 circuit board
AL090
6
AL0945
AL090
1
XCP02 (#1-0)
circuit board
AL094
0
WRCA01 #1
circuit board
AL090
2
AL094
1
AL090
3
AL094
2
AL0904
AL094
3
AL090
5
AL094
4
Continue normal operation.
Continue normal operation.
The defective board caused the alarm.
Contact your Yaskawa
representative.
No
Yes
Yes No
NoYes
Alarm?
Alarm?
Alarm?
Check the connection of
the corresponding board.
(See the table below.)
Replace the board. Continue normal operation.
An alarm occurs.
Turn the power OFF and then ON.
XCP02 (#1-1)
circuit board
XCP02 (#1-2)
circuit board
XCP02 (#2-0)
circuit board
XCP02 (#2-1)
circuit board
XCP02 (#2-2)
circuit board
WRCA01 #2
circuit board
WRCA01 #3
circuit board
WRCA01 #4
circuit board
WRCA01 #5
circuit board
WRCA01 #6
circuit board
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