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shannon67Aug 1, 2025
What to do if my Nissei WS-820 Blood Pressure Monitor shows no display when the start button is pressed?
- JJake JohnsonAug 1, 2025
If your Nissei Blood Pressure Monitor displays nothing when you press the START button, there might be a few reasons. First, ensure that the batteries are correctly inserted. If they are, check if the battery terminals are clean; if not, clean them with a dry cloth. Finally, the batteries might be exhausted, so try replacing all of them with new ones.
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