This video shows causes of Error E1 E2 E3 E4 in Dr Morepen Gluco one BG 02 & 03 Glucometer Device, How to Solve while testing/measuring blood glucose/sugar. This video also shows Best Practice while measuring Blood glucose and using device and test strips.

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Hope this video was a useful guide. You can find more related guide videos to this device in dedicated channel playlist “Dr Morepen Glucometer”.
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