I am getting an E2 message when I try to turn on the coffee maker

call your local repair service

There are severial videos on uTube that show how to resolve problems. I have included a link that will probably help you.

How to Fix Jura Z5 Z6 and Z7 Jura Z5 Z6 Z7 Disassembly Instructions

Turn off the Autostart button.

Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

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Hi,

There is air in the lines and it is blocking the water flow...
Here is a tip that will help you getyour Keurig to prime...

Keurig CoffeeBrewer will not prime
heatman101

Hi,

Here is a tip that I wrote that will give you some things to try that will help you get your Keurig coffee brewer working again.

Keurig Coffee Brewer not making a full cup of Coffee

heatman101

Try running the clean cycle again, that sometimes will help the machine to reset.

Err2 is a failed heating element. There is no fix or replacement parts sold. I was lucky I had a receipt, even out of the year warranty they(KitchenAid) are still replacing it.

In reading the manual for this coffee pot, it needs to have the descaling procedure run. The manual lists running a mixture of 6 cups water and 6 cups vinegar in a normal brew cycle...twice to clean hard water deposits from the machine. It says to make sure to remove the filter basket. Once the procedure is complete, unplug the unit and replug in to remove the E2 code.

Suggestion was Descaling the Coffee Maker from KitchenAid Phoebe (I'm guessing customer support)

http://kitchenaidconversations.com/forums/topic.asp?TOPIC_ID=14441&SearchTerms=err+2

Cleaning scale from coffee maker DO NOT USE THAT MUCH VINEGAR! Put a tiny bit of vinegar in the carafe and fill carafe the rest of the way with water. Run that vinegar/water through machine. Using another container, fill machine with plain water and run that through. Repeat until the vinegar taste is gone. If you do not run lots of plain water through the machine after, your coffee will taste like...um...disgusting!
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To clean hard water deposits from a coffeemaker use distilled white vinegar. You may need to use as much as a gallon if the scale buildup is really bad. Fill clean coffee pot one half full of vinegar and run through machine as if making coffee. Repeat this process several times using fresh vinager until it comes out clear. Do this once a week and your maker will work much better.