DRV-28 inverter
s Troubleshooting
-237-
Fault
code
Fault type
Possible cause
Corrective measures
card slot 2
interfaces after power down,
and confirm whether fault still
occurs at next power-on;
Check whether the insertion
port is damaged, if yes, replace
the insertion port after power
down
C3-Er
Communication
timeout occurred to
the extension card in
card slot 3
There is no data
transmission in interfaces of
card slot 3
Confirm whether the extension
card inserted can be supported;
Stabilize the extension card
interfaces after power down,
and confirm whether fault still
occurs at next power-on;
Check whether the insertion
port is damaged, if yes, replace
the insertion port after power
down
E-DP
Profibus card
communication
timeout fault
There is no data
transmission between the
communication card and the
host computer (or PLC)
Check whether the
communication card wiring is
loose or dropped
E-NET
Ethernet card
communication
timeout fault
There is no data
transmission between the
communication card and the
host computer
Check whether the
communication card wiring is
loose or dropped
E-CAN
CANopen card
communication
timeout fault
There is no data
transmission between the
communication card and the
host computer (or PLC)
Check whether the
communication card wiring is
loose or dropped
E-PN
Profinet card
communication
timeout fault
There is no data
transmission between the
communication card and the
host computer (or PLC)
Check whether the
communication card wiring is
loose or dropped
E-CAT
EtherCat card
communication
timeout fault
There is no data
transmission between the
communication card and the
host computer (or PLC)
Check whether the
communication card wiring is
loose or dropped
E-BAC
BACNet card
communication
There is no data
transmission between the
Check whether the
communication card wiring is