INVT Goodrive350 Series

Goodrive350 series high-performance multi-function inverter Chapter 7
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Fault
code
Fault type
Possible cause
Corrective measures
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
7.5.2 Other state
Displayed code
State type
Possible cause
Solution
PoFF
System power
failure
The system is powered off or
the bus voltage is too low.
Check the grid
conditions.