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Introduction
Your machine is no longer spinning properly and your laundry is still wet?
The machine displays the message "heavy imbalance - spinning extended"?
Then the automatic balancing system VAS (Vibration Absorbing System) is probably clogged (limescale, dirt).
If the Adora SL washing machines from V-Zug detect an imbalance during spinning, they compensate this by pumping water into one of the 3 vanes of the washing drum:
https://www.youtube.com/watch?v=tcRCmKWr...
If the Vibration Absorbing System fails, the machine can only spin at very low speeds and the laundry remains wet.
There are two possible causes for this:
1. The water supply is calcified --> water only flows poorly or not at all "into the drum's vanes"
2. The channels in the drum's vanes are calcified --> water only flows poorly "out of the drum's vanes"
PART 1 of the instructions describes how to descale the water supply.
PART 2 of the instructions describes how to descale the drum's vanes, which is much more time-consuming.
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You need a tray with a capacity of 2..3 liters that fits under the residual water drain. I used a Plexiglas tray that I sawed out to a height of 5cm for the drain nozzle
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Torx T20 screwdriver. When dismantling, note the two different thread types for plastic and metal
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approx. 2 liters of descaler (sulfamic acid)
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Hier Übersetzung einfügen
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In the first part, the water distribution is descaled so that the water can flow freely into the drum's vanes
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Remove the two Torx screws on the back
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First push the cover plate back about 5mm, then lift it up as shown in the picture
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Fold up the control unit and remove the two screws
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Remove the red marked plug and then slide the front panel upwards to remove it
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Remove the hose cover on the back by loosening 1 screw and carefully unlatching the 4 plastic hooks
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Make sure that you have really turned off the water supply, then loosen the plastic nut and remove the water hose. Hold a cloth underneath to catch the water that runs out
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Unplug the three black hoses that go vertically downwards from the detergent supply. ATTENTION: Be sure to label them with 0, 1 and 2 before, as it is printed on the white plastic. If you swap these hoses, the machine will no longer work afterwards!
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For hose 0 you have to loosen the clip with pliers or a leather glove
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Unplug the 6 connectors on the underside of the solenoid valves. ATTENTION: label these too so that you plug them back in correctly, otherwise the machine will no longer work afterwards
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Remove the thick black hose (secured with a clip)
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Also remove the connector of the flow meter
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Remove the 4 marked screws with which the water distribution is attached from the front
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First push the water distribution unit backwards and then upwards at the front
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Open the detergent supply by carefully loosening the 6 hooks
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Remove the valve block by loosening the 3 screws
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You can also pull out the turbine of the flow meter (in the supply pipe)
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Now everything has to be thoroughly decalcified. I would first carefully remove the biggest chalk pieces mechanically and then soak everythin in descaler. The small holes in particular must be completely free. The 3 holes marked in green are for the balancing system.
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Carefully check whether the 3 valve seats are moving by carefully pressing on the valve seat from below with a wooden pin (blue arrow)
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In the second part of this instruction, the channels in the drum's vanes are decalcified so that the water can flow freely out of the vanes again
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First we have to find out which of the three black hoses is connected to which vane
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To do this, turn the drum so that one vane is at the very bottom, i.e. at 6 o'clock
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Place a tub with at least 2 liters of content under the residual water drain and open it. Empty the water that has flowed out
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Work very carefully in the following steps and make sure that you do not spill any water next to the funnel. Otherwise you will end up like me and the leakage water protection will be activated (Error F6/E77)
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Make sure to cover the sensitive electronic components with a film!
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Put the funnel in the black hose that you had previously marked with the number 2
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Carefully pour about 1.2 liters of water into the funnel:
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If all of the water ends up in the drip tray, you have hit the wrong vane. Turn the drum so that the next vane is at 6 o'clock and try again (empty the tray first)
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If only a small part of the water ends up in the drip tray, you have hit the right drive bar. Now mark this vane inside the drum with the number of the hose, i.e. with "2" (to make my work easier next time, I scratched the number into the metal)
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If you now turn the drum by about 45° and then let go, vane number 2 must automatically move back to 6 o'clock due to the water which is inside the vane
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If you now turn the drum by 180° so that vane number 2 is at the very top at 12 o'clock, the entire contents of vane number 2 must flow out into the tub (approx. 1.2 liters)
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Repeat the previous step two times with hoses 0 and 1 and label the vanes accordingly
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Make sure that all 3 vanes are completely emptied by setting them to 12 o'clock
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empty all water from the tub
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For example, place the funnel in hose number 0 and turn the drum so that vane number 0 is at the bottom (6 o'clock)
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Fill about 1.5 liters of descaler into hose 0.
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Move the drum back and forth quickly a few times so that air bubbles can escape
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Take the remaining descaler out of the tub and pour it into the funnel again at the top (close the residual water drain first). I had to repeat this process a few times until the vane was filled completely. You should be able to fill in a total of about 1.2 liters of descaler in the vane
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Now let the descaler do the job. I left it to take effect for 1 hour and in between I moved the drum quickly back and forth
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After you have decalcified the first vane, you can set the vane to 12 o'clock and drain the descaler to the tub
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Turn the drum so that the next vane is at the bottom at 6 o'clock and pour 1.5 liters of descaler into the corresponding hose
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I used the same descaler for all 3 vanes. To check whether it was still effective, I put a small piece of limescale in the descaler and it immediately started to bubble
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The whole procedure is very time-consuming, but it's worth it when the laundry is spun clean again afterwards!
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Now put everything back together and don't forget to plug everything back in correctly:
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Connector to the flow sensor
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6 connectors to the solenoid valves
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Connector between control panel and circuit board
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Black hoses (3+1). First fit the clamp for hose 0 (I used a leather glove for this) and only then plug in the remaining hoses (I secured 1&2 with cable ties)
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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