Fault
code
Fault ID
Fault name
Possible cause
How to correct the fault
8
600
System fault
There is no communication
between the control board
and the power.
Reset the fault and restart the
drive.
Download the latest software from
the Danfoss Drives website. Update
the drive with it.
If the fault occurs again, ask
instructions from the distributor
near to you.
601
602
Defective component.
Operation malfunction.
603
Defective component.
Operation malfunction.
The voltage of auxiliary
power in the power unit is
too low.
604
Defective component.
Operation malfunction.
Output phase voltage does
not agree to the reference.
Feedback fault.
605
Defective component.
Operation malfunction.
606
The software of the control
unit is not compatible with
the software of the power
unit.
607
The software version cannot
be read. There is no soft-
ware in the power unit.
Defective component.
Operation malfunction (a
problem in the power board
or the measurement board).
608
A CPU overload.
609
Defective component.
Operation malfunction.
Reset the fault and make a power
down of the drive twice.
Download the latest software from
the Danfoss Drives website. Update
the drive with it.
FAULT TRACING
VACON · 337
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