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KevinWhiteJA, Home Appliance Technician
Category: Appliance
Satisfied Customers: 3839
Experience:  18+ years experience as Appliance Tech.
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The indicator panel is displaying F12 (water in the base

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The indicator panel is displaying F12 (water in the base pan; appliance leaking). Any ideas?
JA: Who makes your appliance? How old is it?
Customer: BOSCH 2016
JA: How long has this been going on with your Bosch appliance? What have you tried so far?
Customer: Never had any problems since it's installation. The very first one.
JA: Anything else we should know to help you best?
Customer: I've removed the filter and cleaned it, and ejected the water residue. Turned it on but still no joy?

Good morning,

Welcome to

My name is ***** ***** I will assist you today!

I am sorry to hear you are having trouble with your appliance.

I understand how frustrating that must be.

Please provide its complete model number (from the label/rating plate inside the door)

You may see automated adverts for phone support sent by website.

I am afraid, I am not available for phone call and we can continue via chat.

If you want phone support, please let me know and another expert may pick it up.

Customer: replied 7 days ago.
E - N. WFX12840GB/24 FD 8605 700151
Customer: replied 7 days ago.
Roughly what time can I expect a call from you?

Thank you for the model number.

This was manufactured in May 2006 so around 14 years old.

F12 is aquastop failure.

You will have to unplug the appliance and pull it out.

Then remove the drain pump filter and tip it forwards by around 45 degrees so excess water drains off completely.

After this is done, check the drain hose where it connects to house drain and make sure it is not clogged.

This should resolve the issue, reconnect everything and plug it back.

If the error code is still there you will have to replace the Aquastop (available here)

I am glad, I could help.

If you have any further questions, please do not hesitate to ask!

I hope you have a great day.

It has been my pleasure to assist you!

Customer: replied 7 days ago.
Roughly what time will you be available to call me?

Please read my previous message and let me know how it goes with your appliance.

Customer: replied 7 days ago.
Please cancel as I have booked an engineer to attend.

OK, please contact support.

Good Luck.

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