AL517 means Encoder overvoltage or overcurrent.

AL517 trigger condition: The current supplied by the drive for the 5 V encoder supply has exceeded the limit.

This condition may occur up to three times in succession. After the third time, a time delay of one second must pass before the power stage can be enabled again.

So , AL517 is hardware issue ( could be cable , drive ,motor)

Released for:Schneider Electric India