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My name is ***** ***** I will assist you with your appliance today.
I am sorry to hear you are having trouble with your appliance.
I understand how frustrating that can be.
E19 indicates water has leaked in the base of appliance and activated the anti-flood device.
You may unplug it and remove the plinth (base panel below the door) of the appliance.
You will see a white/grey plastic cover and above the white plastic base tray there is a metal cover.
Remove this and then you can try and soak the water up from the base there.
After this is done, check the drain hose where it connects to house drain and make sure it is not clogged.
Then clean the mesh filter from inside and make sure it is not blocked.
Reconnect everything and plug it back, please let me know how it goes.