Edge has started behaving erratically over the last week or so with the ride timer just suddenly starting of its own accord but I could stop the timer and delete the ride. Then tonight I couldn't always stop the timer and if I did the device kept going into a menu that I have never seen before which had a series of menu options to test the machine. I could not get it out of this menu so kept trying to switch off, do reset as described in manual, do other resets suggested in this forum pressing down lap rest and stop/start buttons etc. Now the only screen I can get access to is a status screen which has 13 fields - software version, temperature, time, backlight, vbat etc etc. I think the device is kaput and it was only purchased on the 17 Oct 2019. I shall now have to waste my time going back to the vendor Halfords and hope they give me a replacement or deal with Garmin Warranty Europe. If anyone has any bright ideas I would like to hear them.
Stay safe out there