6 Troubleshooting
- 80 -
Fault Name
Operating
Panel
Display
Cause
Possible Solution
Communication
fault
E 16.22
Conflicts are caused
by the same CANlink
station number.
Modify the CAN station numbers by using Fd-
13 (CAN station No.).
E 16.31
DP communication
times out (DP to
CANopen bridge
protocol).
Check whether DP communication cable is
correctly connected.
Communication
fault
E 16.34
Slaves are offline (DP
to CANopen bridge).
Check whether the number displayed in “The
number of devices” of PLC matches the actual
quantity of stations.
Check whether the station numbers of slaves
are correctly set.
E 16.35
DP to CANopen
bridge configuration
parameters are set
incorrectly.
Check whether the value of “NO. n” of PLC
is consistent with that of AF-66/67 (Number of
valid RPDOs/Number of valid TPDOs).
E 16.41
DP communication
times out.
Check whether the DP communication cable is
correctly connected.
E 16.42
DP to CANopen
bridge configuration
parameters are set
incorrectly.
Check whether the value of “NO. 1” of PLC
is consistent with that of AF-66/67 (Number of
valid RPDOs/Number of valid TPDOs).
External DC
soft charge unit
error
E 17.05
The external DC soft
charge unit is not
connected or fails.
Check whether an external DC soft charge unit
is needed. If not, restore the tens digit of F9-
49 (Fault protection action selection 2) to the
default value 5 (Cancelled).
