Err.
Wrong password entered
Danfoss · VLT Micro Drive FC 51
What does Err. mean?
An incorrect password was entered when attempting to access or modify a password-protected parameter or menu on the LCP. This security feature prevents unauthorized configuration changes to the drive, ensuring operational integrity.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Be aware that some drives implement lockout periods after multiple incorrect password attempts, temporarily restricting access.
- 4
If the password has been forgotten and no records exist, consult Danfoss support for instructions on factory reset (if permitted and safe).
Source: Danfoss VLT Micro Drive FC 51
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