Fault
code
Fault ID
Fault name
Possible cause
How to correct the fault
8
667
System fault
Ethernet PHY is not recog-
nised or it is in the wrong
state.
Reset the fault and restart the AC
drive.
Download the newest software
from the Danfoss Drives website.
Update the drive with it.
If the fault occurs again, ask
instructions from your nearest dis-
tributor.
670
The output voltage is too low
because of overload, a
defective component, or a
shortcut.
Do a check of the loading of the
auxiliary output.
Reset the fault and restart the AC
drive.
Download the newest software
from the Danfoss Drives website.
Update the drive with it.
If the fault occurs again, ask
instructions from your nearest dis-
tributor.
827
Invalid/incorrect licence key
provided (via keypad or
VCX).
The licence key is incorrect
or not for this drive.
Reset the fault and restart the AC
drive.
Enter the licence key to the AC
drive again.
Download the newest software
from the Danfoss Drives website.
Update the drive with it.
If the fault occurs again, ask
instructions from your nearest dis-
tributor.
828
The entered licence key was
accepted and stored to the
drive.
-
829
New licences have been
taken into use since the pre-
vious start-up.
-
830
Licences have been
removed from the drive.
-
FAULT TRACING
VACON · 339
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