E19 error is caused due to water leakage inside the bottom of the dishwasher which activates the anti flood device and it won't operate. You can unplug it and pull it out then tip it backwards by around 45 degrees so excess water drains off completely. It saves us £290 at least. The part costs £17.15. So try to fix yourself, it may save you some money.
Please see the link below, if you need to buy one.
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