Al-0900 To 0906 (Watchdog Timer Error); Al-0940 To 0945 (Watchdog Timer Error) - YASKAWA Motoman UP6 Instructions Manual

AL-0900 to 0906,0940 to 0945 (WATCHDOG TIMER ERROR)
An error occurs during the internal control check.
Continue normal operation.
Contact your Yaskawa
representative.
AL0900 XCP01 circuit board
AL090
1
AL090
2
AL090
3
AL0904
AL090
5
An alarm occurs.
Turn the power OFF and then ON.
No
Alarm?
Replace the board.
Yes
Alarm?
AL090
XCP02 (#1-0)
AL094
circuit board
XCP02 (#1-1)
AL094
circuit board
AL094
XCP02 (#1-2)
circuit board
AL094
XCP02 (#2-0)
circuit board
XCP02 (#2-1)
AL094
circuit board
Yes
Check the connection of
the corresponding board.
(See the table below.)
Yes
No
Continue normal operation.
The defective board caused the alarm.
XCP02 (#2-2)
6 circuit board
WRCA01 #1
circuit board
0
WRCA01 #2
1
circuit board
WRCA01 #3
2
circuit board
WRCA01 #4
3
circuit board
WRCA01 #5
4 circuit board
19
No
Alarm?
Continue normal operation.
WRCA01 #6
AL0945
circuit board