Err48-1
Check whether more than one drive suffers fault.
Eliminate the duplicate
station No. fault
Duplicate station No.
Yes
Yes
No
Contact the agent or
Inovance.
Yes
No
Err48-1
Slave station No.
Check whether the CAN
communication connection is wrong.
Check whether it becomes normal after
replacing the terminal board.
It is the terminal board fault.
Eliminate connection fault.