AEG Lavamat, not an error code as such. Just 'Err' flashing when pressing the start/pause button for any cycle chosen, even drain. Model is AEG L61271BI Built-In Integrated Washing Machine, 7kg Load, A++ Energy Rating, 1200rpm Spin, White
Purchased Nov 2018, John Lewis, now out of 2year warranty.
9digit code behind door is 914528137

Any ideas for re-setting? Any checks to make to clear?