Re: miela cv 615 water tank leaking and parts manual
Where were you trying to download the parts manual from?
You can open the front door and remove the panel but I would recommend getting a trained technician to do this. Having been through a big repair process on my CVA610, I can assure you that any money spent will be worth it by saving you a lot of hassle. These are complicated devices.
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I had the same problem on my Delonghi ESAM3300; you need to replace the "Tap" #7313216621 you can buy at eReplacementParts.com and search on how to install on Youtube. Its easy. No more leaking. Good luck
You have 2 issues.
Steam wand leaking while making coffee - This indicates that the seals on the steam tap o rings need replacing.
Coffee pouring over the handle when making coffee - this indicates that the group gasket needs replacing.
Replacing the group gasket is easy takes 10 min
Replacing the o rings on the steam tap may take a little longer..
All you need is a group service kit Ascaso gasket kit Dream Arc Basic
The problem is a very frequent one a small scale part have been moved and it stack to the water steam valve and it blocking it from closing completely. So when you make coffee the hose of water for coffee is in parallel with hot water steam wand and since the valve remains partially opened the water for coffee find easy escape from steam wand.
So we suggest to perform one more descale and it may need twice hopefully this small scale part to be dissolve a little bit more in order to pass thought the steam valve and thus the valve can close again completely. If you are not so lucky the part remain on the valve then only solution is to disassemble the machine thus clean the steam valve manually. In this solution you may find out that the valve o ring might be damage and thus the leak.
here is the link with steam valve parts and this the parts diagram of the machine and here many more for your machine
Descaling Saeco Automatic espresso machinesSAECO VIENNA SUPERAUTOMATIC MACHINES: SAECO VIENNA DIGITAL - MANUAL DESCALE PROGRAM 1. Fill the water tank with the Saeco descaling solution. (1 bottle of Saeco descaling solution to one full tank of water.) 2. Turn on the machine. Run approximately 1 cup through the steam wand by turning open the hot water steam valve). Turn machine off and let sit for 5 minutes. 4. Repeat this procedure until the water tank is empty. Then rinse water tank thoroughly and flush the machine by running two tanks of clear water through the steam wand. 5. To clear the "Decalcify" message on the Digital model, press the MENU/OK key to go into programming mode. Scroll up or down to select the "Signal.Descal" function. Press MENU/OK. Next, the messages " Quantity Water Not Reached" and "Left Quantity" will flash. Press MENU/OK again - the message "Reset Descaling Program - Yes" will appear. Press MENU/OK again. The Descale meter is now cleared. SAECO VIENNA DIGITAL - AUTOMATIC DESCALE PROGRAM 1. Press the MENU/OK key to go into programming mode. Scroll up or down to select the "Descaling" function . Press MENU/OK key. Place a large container under the hot water/steam nozzle. Fill the water tank with Saeco descaling solution. (1 bottle of Saeco descaling solution to one full tank of water. Refer to the instructions on the bottle). 2. Then completely open the hot water/steam rotary valve/knob. The pump starts and the descaling program begins. During this phase the pump runs at intervals and the message "Machine is Descaling" is displayed. The complete program takes about 40 minutes. Do not add any water to the tank during this phase. When the message "Descaling Finished" appears, close the hot water/steam valve. The message "Rinse Machine" will appear. 4. Remove and rinse water tank thoroughly, fill with fresh water and replace on machine. Empty the container under the hot water/steam nozzle and replace. Flush the machine by running the tank of clear water through the hot water/steam wand until the message "Rinsing Finished" appears. Exit the Programming mode by pressing "MENU/OK" Refill the water tank with fresh water. 5. To clear the "Decalcify" message on the Digital model, press the MENU/OK key to go into programming mode. Scroll up or down to select the "Signal.Descal" function. Press MENU/OK. Next, the messages " Quantity Water Not Reached" and "Left Quantity" will flash. Press MENU/OK again - the message "Reset Descaling Program - Yes" will appear. Press MENU/OK again. The Descale meter is now cleared. Descaling Single Boiler Home espresso machines(HOME SINGLE BOILER ESPRESSO MACHINES)
Approximately every 3 months (depending on your use and the water hardness), clean the machine with natural citric acid based decalcifying agent. 1. Add a descaling solution into the water reservoir. Mix thoroughly to dissolve (use warm water for better results). 2. Remove the filter holder and place a cup under the group head and another cup, or other container, under the steam wand to catch cleaning solution. 3. Turn espresso machine on, turn coffee pump on and run approximately 8 oz. of solution through the brew head. Turn machine off and let the machine sit for 15 minutes. 4.Run approximately 8 oz. through the steam wand, and again, turn machine off and let sit for 15 minutes. Repeat by allowing solution to run alternately through the steam wand and brew head. Turn espresso machine off after each cycle. Repeat process until solution has been run through. 5. Do not leave espresso machine on. Do not wait for the ready light to come on. Do not use the steam switch during this process. Do not allow reservoir to run empty! 6. Rinse reservoir thoroughly with fresh water. Refill reservoir with fresh water. Run half a tank of fresh water through group head, alternating between group head and steam wand.
You should select hot water (the third button from the right) and the display should say "hot water" at the same time it is saying VENTILATE --- open the steam valve all the way and the pump should start and you should see water from the steam wand.
If you don't hear the pump at all, then that is a different problem.
If you do hear the pump but still don't get any water with the steam valve open, then you need to prime the pump by using a turkey baster or the accordian pump that came with the Titanium to pump water into the valve where water from the tank goes. Remove the tank and use the turkey baster to pump water into that valve while the pump is running and the steam valve is open all the way with HOT WATER selected. the second water starts to come out the steam valve you want to stop the pump (turn the power off or turn the steam knob shut) and put the water tank back on and make sure there is plenty of water in the tank - then start the pump again by opening the steam valve all the way and let it pump water out the steam wand for a few minutes.
The wand can leak if the rocker switch is not in the UP position.
In MIDDLE position it will try to deliver hot water.
In DOWN position it will try to deliver steam.
The thermoblock in this unit is actually a 3-way valve, of which two positions route water from the boiler directly to the wand. The 3rd position (UP) routes hot water (but not steam) from the boiler to the group head.
Try holding the switch in the UP position by hand when making coffee. If the machine still pushes water through the wand then you will have to replace the switch inside the machine that is activated by the rocker, or the valve it operates.
Can't give specific instructions without knowing which model it is. If it is a super automatic such as the Titanium, you put it into descale mode and then follow the prompts on the display.
If you have a semi automatic such as a Classic or Coffee or Carezza etc. you simply mix the dezcal with warm water in the reservoir and run the pump a little to spurt a few ounces of water out the brew group - and some out the steam wand. Then stop the pump and let it sit for a few minutes - and then start the pump and spurt a little more out the brew group and the steam wand - and so on for about 20 minutes or so until the tank is empty. You get the best results if you let the solution sit in the boiler for a few minutes (maybe 5) between each time you run a few ounces out. After you've emptied the reservoir, rinse the reservoir really well and fill it with clean water and run the whole tank of water through the group and the steam wand (mostly through the group head). I like to rinse a few tanks full just so it is really rinsed well - but one or two tanks is supposed to be enough.
If your machine is a Titanium or Platinum, the readout will tell you what to do - they usually only spurt descaler out the steam wand and not out the brew spout since all the brew parts are plastic and don't need to be descaled. And the steam wand routes the descaler through both boilers so you get all the important parts that way. It'll keep cycling you through opening the steam valve and then waiting 5 minutes and then opening it again - until the tank is run empty (so you may want to mix up the dezcal using less than a full tank (more concentrated) - otherwise it'll take a long time to finish. The dezcal package will recommend how much warm water to use for a package.
The titanium will prompt you through the rinse cycle too - just clean out the tank after you've run all the dezcal through the system - rinse the tank really well and then fill it with clean water and let the machine do the rinse cycle - it will run the entire tank until it is empty. Then you will want to refill the tank with clean water and run a few blank shots - make sure the water from a blank shot is tasting like pure water and doesn't have a citric acid (lemon juice) taste to it - if it tastes like citric acid then you still need to rinse more. The citric acid is not harmful to you - but it will make the coffee taste a bit funny and the milk will foam up funny when you steam it.
I HAD the same problem. I fixed it for 50 cents. It takes the removal of 4 screws (2 phillips on top, 2 long standard on bottom by the group) to remove the top to access the steam wand valve. Once the the top (and the chrome bezel) is removed, then screw out the valve counterclockwise buy ALL THE WAY until it comes out. There are 2 O-rings on the stem of the valve that wear out, Cut these off with a sharp knife, go to your local hardware store, buy 2 new ones for 50 cents, install new O-rings, and reverse the disassembly procedure. Voila, no more leaky steam valve!
If it leaks from the steam wand then you need to get a new steam valve assembly. For the heat you will have to open the machine it is possible that the steam boiler is damaged or that the thermostat on there is bad, use an ohmsmeter to check thermostats and element. There are 2 screws in the grinder, 2 behind the water tank and about 2 or 3 in the front behind the door.