tag:blogger.com,1999:blog-308671936212623384.post3537361038137838767..comments2023-10-05T04:52:35.400-07:00Comments on Erin's Reviews: Erin's Reviewshttp://www.blogger.com/profile/13268669728634162201noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-308671936212623384.post-35818331361490285782017-11-17T13:26:38.662-08:002017-11-17T13:26:38.662-08:00I have one of these and the instructions are not v...I have one of these and the instructions are not very easy to understand. Don't think English is their first language. I keep getting an error reading of U and it says "The charge value smaller than 20mmHg in 5S." I have no clue what this means. I changed the batteries out for brand new ones and still get the error reading. Any ideas how to correct this?Staceyhttps://www.blogger.com/profile/14571220724997150378noreply@blogger.com