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Amanda DaughertyJul 31, 2025
How to fix AND UA-767F Blood Pressure Monitor when nothing appears on the display?
- Jjames47Jul 31, 2025
If nothing appears on the display of your AND Blood Pressure Monitor, even when you turn it on, the batteries may be drained. Try replacing all the batteries with new ones. Also, ensure that the battery terminals are correctly positioned by matching the negative and positive terminals to the markings in the battery compartment.