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Brew unit in Miele coffee system CVA615 block

The Miele Coffee system brew unit is blocked and won't reset itself on a self test when it should.

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Re: Brew unit in Miele coffee system CVA615 block

It sounds like the connector or wiring that links the LCD display board on the door to the main PCB inside the coffe maker has become loose or damaged.
This would cause the text displayed to become scrambled.
Its a 26 way connector that is labelled JP16 (on the next model up) and is next to a large IC.

Posted on Jan 02, 2008

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"brew unit block" medium cup in service mode dont work only the small cup works

When the alert came up- Brew unit blocked- this is before you started taking things apart, A, were you able to remove brew unit, Yes or No?
B, after turning power on and then off, Did the machine try to reset brew unit to home position Yes or no?
If Yes were you able to remove brew unit?

Aug 18, 2014 | Miele CVA615 Espresso Machine

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Brew unit stuck

Hi molly girl.
You can try to clean your Brewunit. Most of the times when that message appears, it means the brewunit is dirty

You can have more info in the manual if you dont have it:

Jan 11, 2008 | Miele CVA615 Espresso Machine

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I have a Miele Coffee Machine (built-in) CVA 620-1. I got a message saying the brewing unit is blocked. I removed the waste unit, a procedure that has to be done before you can remove the brewing unit. ...

The brew unit has lose parts on left-hand-side, wiggle them up and down. Put the waste unit back, switch off the machine and then turn it on (pull the cord). It worked for me!!!

Sep 14, 2010 | Miele CVA615 Espresso Machine

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Coffee is coming out all around the coffe dispenser and very little through the dispenser.

brew unit filters are blocked. take out brew unit, remove screws and clean and replace stainless steel filters.

Jan 27, 2010 | Miele CVA615 Espresso Machine

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Display message - brewunit block - can not undo to start the machine Miele CVA 620 Build-in Automatic coffee machine

YOu must turn the machine off...hold both the small coffee and hot water button...tunr the machine on to light...let go of the buttons..then hold in the large coffee button for a few secinds andletgo ..if that doesn't work hold in the medium coffee button for a few seconds and letgo..that shouldreset the brew unit.
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Jan 13, 2010 | Miele CVA615 Espresso Machine

1 Answer

My brewunit is blocked

Coffee fines and mineral scale build up in the brew unit filters and also in the creme valve. The pressure to pump water through the unit fails and the flowmeter tells the electronics that no water has flowed, it in turn stops all processes and displays "brew unit blocked" message. If you're handy, call Miele tech support. The'll walk you through how to remove the drainage cup screw off the left rear of the brew unit, get the brew unit out and return the gearing to home position. It's a 50/50 chance the gears will return or you will need a service tech to pull your coffee unit out and re-sync the gears to the electronics. That's of course if they didn't break.
This blockage is is prevented only by using the cleaning tablets and descaling tablets. Both need to be used as outlined in the instruction manual.

Oct 02, 2009 | Miele CVA615 Espresso Machine

1 Answer

Brew unit and waste unit in place, brew unit is blocked

For Brew Unit Block:
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May 27, 2009 | Miele CVA615 Espresso Machine

1 Answer

BrewUnit Blocked Error

The brew unit sensor may have become disconnected from the main circuit board. If you are very brave, you can UNPLUG THE UNIT, remove the top panel and check that all the wires running into the circuit board are connected.

Otherwise, the sensor may have failed and this will require service.

Mar 15, 2008 | Miele CVA615 Espresso Machine

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