My display shows "UNST"
The error message indicates that the scale is on an unstable surface. Place your scale onto a steady and level surface. If the issue persists, please contact our support team.

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The scale does not power on
Try replacing the old 9-volt battery with a new one. Also, verify if the battery terminals are making optimal contact with the battery snap connector.

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Valid for Granda Stainless Steel Platform Scale.  Model #: 120S, 150S