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Hi Pellicle I am new to this forum and not sure if this is how to send a PM ? John

Hi Jay, I have got the same problem with Error M-23 on my 6 year old meter and the same response from Roche. It’s very disappointing that they cannot offer any repair or servicing facility. Did you have replace your meter in the end?

Thanks for your suggestions. The hard reset didn’t make any difference and I had already downloaded the firmware update. 🤔

The strips and the chip matched , I only had a problem with the last 4 strips out of a batch of 24. The time and date on the meter are correctly set, The expiry date on the strips is 2023-10-31. I took the meter to my local hospital and tried using a new batch of strips and matching chip and we...

I have a Coagucheck INRange meter which is unable to read the bar code on the test strip Error M-23.I have tried several different test strips from two different batches. I have put in new batteries, cleaned the white square underneath the blue hatch. This machine is just over 5 years old and...