How to fix a LifeSource UA-787W Blood Pressure Monitor when nothing appears on the display?
- CChristopher CrawfordJul 30, 2025
If your LifeSource Blood Pressure Monitor displays nothing after pressing the START button, it could be due to drained batteries. Replace all batteries with new alkaline batteries. Alternatively, the batteries might be incorrectly installed. Ensure the negative and positive terminals match the markings in the battery compartment.