Danfoss iC7 Series Operating Manual page 12

Functional Extension Options
Operating Guide
2. Remove the interface board, place the option board in the slot, and reinstall the interface board.
The interface boards are not interchangeable between drives.
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The interface board must be reinstalled in the same drive it was removed from.
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12 | Danfoss A/S © 2023.06
N O T I C E
Installation
AQ390830267692en-000601 / 136R0273