Diagnostics and Troubleshooting CDHD
256 User Manual
Fb7 CAN is in Bus- Off St a t e
Fb7 Displayed in sequence
D e finit ion CAN is in Bus-Off State
Type Fault
Act ive disa ble Yes
M e ssage # FLT 88
Descr iption
The drive has disconnected from the CAN bus due to
com munication errors, and is no longer sending/receiving
communication packets.
This fault disables the drive.
This fault can be masked in object 1029h.
Action required
Check CAN cabling and verify the CAN net work is
funct ioning properly.
Fb8 Et herCAT Packe t Loss
Fb8 Displayed in sequence
D e finit ion EtherCAT Packet Loss
Type Fault
Act ive disa ble Yes
M e ssage # FLT 91
Descr iption EtherCAT packet s have been lost.
This fault disables the drive.
Action required
Make sure the EtherCAT m ast er (controller) sends the
packets within the t im e defined (by the m ast er).
To Next Page
