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.

  1. 3

    Be aware that some drives implement lockout periods after multiple incorrect password attempts, temporarily restricting access.

  2. 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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