DRV-28 inverter
s Troubleshooting
-236-
Fault
code
Fault type
Possible cause
Corrective measures
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
F2-Er
Failed to identify the
extension card in
card slot 2
There is data transmission in
interfaces of card slot 2,
however, it cannot read the
card type
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
F3-Er
Failed to identify the
the extension card in
card slot 3
There is data transmission in
interfaces of card slot 3,
however, it cannot read the
card type
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
C1-Er
Communication
timeout occurred to
the extension card in
card slot 1
There is no data
transmission in interfaces of
card slot 1
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
C2-Er
Communication
timeout occurred to
the extension card in
There is no data
transmission in interfaces of
card slot 2
Confirm whether the extension
card inserted can be supported;
Stabilize the extension card
