67

Option module configuration has changed

Danfoss · VLT HVAC-FC 102 Frequency Converter

What does 67 mean?

One or more option modules (e.g., fieldbus cards, I/O extensions) have either been added or removed since the last power-down cycle. The drive detects a change in its hardware configuration and requires user confirmation. This alarm serves as a notification and requires a reset to ensure the change was intentional before proceeding.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Perform a unit reset to acknowledge the detected configuration change and clear the alarm.

Source: Danfoss VLT HVAC-FC 102 Frequency Converter
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