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Symptom
Probable cause/suggested solution
File not valid
A USB function has been selected in the menu, but the file is not valid.
File empty
A USB function has been selected in the menu and the file has been found, but it does not contain the
expected content.
Rating not valid
The value of
parameter 20-4 Model Rating
is incorrect.
Parameter 20-4 Model Rating
is not user-adjustable.
Contact the local supplier for advice.
AQ262141844215en-000401 / 175R1174 | 131
Danfoss A/S © 2020.12
Troubleshooting
VLT® Soft Starter MCD 600
Operating Guide