Al-0020 (Cpu Communication Error) - YASKAWA Motoman UP6 Instructions Manual

AL-0020 (CPU COMMUNICATION ERROR)

An error occurs during the CPU communications test.
Turn the power OFF and then ON.
No
Continue normal operation.
Remove the XCP01 circuit board and remount it.
No
Continue normal operation.
Continue normal operation.
The defective XCP01 circuit
board caused the alarm.
An alarm occurs.
Yes
Alarm?
Remove the corresponding CPU board and
Yes
Alarm?
Replace the XCP01 circuit board.
No
Alarm?
Contact your Yaskawa representative.
remount it.
Yes
Alarm?
Continue normal operation.
Replace the CPU board.
Yes
Alarm?
Yes
Replace the XBB01 circuit board.
Yes
Alarm?
9
No
No
Continue normal operation.
The defective CPU board caused
the alarm.
No
Continue normal operation.
The defective XBB01 circuit board
caused the alarm.