What would cause the Altivar 312 drive to loose some of its settings when you switch from local to remote modes?

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What would cause the Altivar 312 drive to lose some of it's settings when switched from local to remote mode?

Issue:
Parameter loss when switching from local to remote mode on Altivar 312 drive.

Product Line:
Altivar 312

Environment:
All

Cause:
The drive was set in local mode and some parameter settings got changed unexpectedly.

Resolution:
The Altivar 312 drive is not intended to toggle temporarily between local and remote modes by holding the MOD button for 3 seconds, Doing so will change the logic inputs assignments and Fr1 & Cd1 channels back to factory default