Question about Miele CVA615 Espresso Machine

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I have a water leak behind the brew unit. I need to change the two gaskets located behind the Brew Unit. The lower one is easy to change but the gasket slightly higher up looks like it can be a problem. Is there any special way of changing that upper gasket?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 10 Answers

SOURCE: 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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dahaka
  • 347 Answers

SOURCE: 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:
http://www.miele.co.uk/Resources/OperatingInstructions/CVA%20620.pdf

Posted on Jan 11, 2008

  • 1 Answer

SOURCE: miele brew unit jammed and brewunit block is being displayed

There is a third solution. The brewunit drive motor has three contact switches that indicate home, preset (loading grounds, I assume) and make espresso. The problem is the three contact switches are all on one circuit, so the microprocessor knows a limit switch has been reached, but it doesn't know which one. The programming obviously assumes the limit switches are reached in the correct sequence. In my case, the microprocessor thought the brew unit was in home position when it was in the make espresso position. Miele technical support recognized this immediately, so it is a common problem. The solution is to remove the top panel of the unit, unplug the unit, unplug JP34 on the microprocessor board (four wires, red/yellow/brown/black, in the middle back edge of the microprocessor board). Plug in the unit, put it in maintenance mode, and press and hold the medium coffee button for several seconds. This will move the drive motor past the current limit switch. Plug JP34 back in, plug in the machine, and put it in maintenance mode. Press and hold the large coffee button for a second or two, maximum. Open the machine, and look at the brew unit drive male gear in the main machine as compared to the brew unit female gear. It will take several tries to get the male/female gears to match so you can plug in the brew unit. Once this is done, and the brew unit snaps in place correctly, place the machine in maintenance mode one more time and press and hold the Medium Coffee button to reset the microprocessor with the limit switches. You should be back in business!

Posted on Jul 16, 2008

  • 1 Answer

SOURCE: brew unit and waste unit in place, brew unit is blocked

For Brew Unit Block:

  • Turn Off
  • Hold small coffee & hot wate atthe same time
  • Turn on with light (numbers sill appear)
  • Hold medium coffee util arm returns to normal position

Posted on May 31, 2009

  • 4 Answers

SOURCE: Getting Fault 73 for my CVA 4070 at start-up.

I have had the same fault 73. Miele is coming out to replace the drive and the brew unit. SHould be a $700 repair. Thank God for warranties. I'll et you know the end result once repairs are complete.

Posted on Mar 17, 2010

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1 Answer

I have a saeco super automatica Leaking water


Take the brew unit out when the machine is off and cold. With your finger, check the well next to the large gear on the inside of the machine. This is the gear that fits in the back of the brew unit when it is in place. That well may be clogged with fine coffee grounds and some mildew build up. You might notice that after brewing, very little water will has been flowing into the drip tray. Take a Q-tip and push it through the hole at the bottom of the well to remove the coffee ground buildup. The excess water after brewing will flow through normally now and not behind the brew unit.

Mar 02, 2017 | Saeco Coffee Makers & Espresso Machines

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How to remove the back wall behind brew unit on miele cva 615?


The Brew unit present switch is located on the brew unit drive. On the 615 model not an easy feat - the top and back have to be removed as well as the electronics - the micro switch has an extension arm on it the can fall off if the brew unit hits it the wrong way - I am guessing that is what may of happened here

Jun 19, 2014 | Miele CVA615 Espresso Machine

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Machine will not dispense water at all,leaks behind dispenser, doesn't brew coffee


Hi. Great machine. You have a brew unit blockage. Remove the brew unit and clean. It canbe striped down and cleaned, but does requirer a bit of expertise in stripping them. Dazza REPAIRER

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Machine leaking water from service door behind where the pucks collect. water pools/collects into the excess ground coffee tray. any suggestions?


Hi
Trying to understand what you are talking about, but if you have water in the top left side of the brew unit, its your thumb screw. If you have water under the brew unit Its the drain for the pressure release. remove the brew unit. The injector behind the brew unit on the machine has a drain and it can get clogged with coffee residue. If there is water below the injsctor the drain hole is inside and towards the front of the machine. A long zip tie inserted in the drain aimed down towards the front will usually find the drain hole and clear it, then take some hot sudsy water and flush the drain.
If its the thumb screw you will ahve to get a new one but be sure to remove the extra nut on the filter screen shaft before installing the new one.

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Change gaskets on BUNN model CWT15-APS


  • Brews 3.8 to 7.5 gallons (14.4 to 28.4 litres) of perfect coffee per hour.
  • Large 200 oz. (5.9 litres) tank provides back-to-back brewing capacity.
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  • For high lime areas, BrewLOGIC® technology calculates flow rate and adjusts brew time to maintain consistent pot levels.
  • BrewWIZARD® technology incorporates simplified programming with a LCD display.
  • Quickerinstall saves up to 30 minutes. Pot level, cold brew lock-out and tanktemperature set easily from advanced touch pad on front of machine.
  • Electronic diagnostics and built in tank drain make service easier.
  • Ensures coffee brew quality with cold brew lock out capability.
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  • SplashGard® funnel deflects hot liquids away from the hand.
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Jan 13, 2010 | Bunn CWT 15-APS Coffee Maker

1 Answer

Coffee is not dispensing during brewing, water dispenses in the tray


There is a lot of things that can cause that. The first place I would look is the injector behind the brew unit. Remove the brew unit. The injector is the finger with the 2 orange O-rings on it. If it is loose it will not go through the brew unit, just into the tray.
If the boiler is leaking it will go into the tray and under the machine. Any other leak would be coffee going into the tray.

Jan 09, 2010 | Saeco Magic De Luxe Espresso Machine

2 Answers

Need to send in for repair...multiple things wrong. any suggestio


Sorry for the delay in response but I just read your complaint. I had similar water leakage issues and mistakenly replaced a bunch of stuff without stopping the leaks, until I discovered the real problem; the O ring seal that the water reservoir sits in located under the reservoir where it mates with the machine. Easy to replace and cheap. No leakage problems since I both replaced the O ring and started the routine of not taking off the water reservoir to fill it, but leaving it in place and filling it from a bottle. That technique does not any wear at all on the seal ring and so it won't leak in the future.
The item is called a "Saeco-water inlet valve gasket" , has a part number of NM05.006 and costs $7.50. I purchased it from Services Unlimited located at 650 N. Cannon Ave. WH-305, Lansdale PA 19446; phone 215-361-7000 Fax 215-361-7434, e mail granita@rcn.com but you can find it at any authorized dealer, I am sure. I ordered two and with shipping the cost came to $21.50.
You can request a fax with a parts diagram and listing, which I found most helpful in diagnosing issues and see where stuff goes..
A second cause of water leakage is the drain set back in the machine that is behind the brew group which gets clogged on rare occasion. Remove the brew group and take a paper clip and insert it in the drain and make sure it drains freely into the drain pan.
A third cause is that you are not cleaning the removable grinding surface in the brew group. If it gets clogged, the hot water cannot pass through it and it just kinda squirts all over inside the machine, and you get weak coffee since most of the water is not being brewed.

Hope this helps you..

George W Conrad

Jan 08, 2009 | Saeco Vienna Espresso Machine

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Mine had the same problem. Take out the dreg drawer and brew unit. Then you will see a plastic cover roughly in the middle of the machine (behind where the brew unit was) that is held in place by two philips screws. Unscrew the screws and take out that small cover. It is probably filled with coffee grounds that prevent water from dripping out through a dripping hole. Clean out the grounds and you should be all set.
Gerwin Schalk Albany, NY

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it's possible, like mine with the same problem, that one or more of the plastic feet under the water tank has broken, then making the tank move and upsetting the valve underneath. My one always leaks clean water, never dirty and I have a broken foot.

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