In case you get a low battery warning, it means that the Aina device battery is low but higher than the operating threshold and hence, can still perform a test. Please replace the battery once you see this warning.
In case you get a low battery error, it means that the Aina device battery is lower than the operating threshold and hence replacing the battery would resolve the issue.
If problem persists, contact us at firstname.lastname@example.org. Please attach a screenshot of the error to the email.