Xiaomi Smartmi Smart Toilet Seat Stopped Working

My Smartmi smart toilet seat suddenly stopped working today. The red light below the 2 buttons turned on but no lights at all on the control panel and none of the buttons work.

Can anyone please help me figure out what's wrong with it? Also trying to look for the English manual but the link posted in previous deals no longer works.

Comments

  • +9

    Probably part of the stoush we having going with Beijing at the moment. First, it was beef and barley exports, now'll they will really teach us by shutting down our Xiaomi smart toilet seats!

    Lucky toilet paper is back in stock!

  • +1

    Oh $#!t….

  • +2

    Have you owned it for around 18 months? This seems to be the common break down period.

  • Yes, mine stopped working after about 18 months (I checked the date of purchase). The spray function doesn't consistently have pressure. Now the only way it works (not always perfect) but is to switch it on and off everytime. It is not a major hassle because the powerpoint is close by, but it is disappointing all the same.

    • Exactly the same here, also roughly in the 18 months range. What often works is alternating between the two spray buttons (the one which sprays more forward and the one a bit further back) - after cycling 1-3 times one of them normally has enough pressure.

      But still quite disappointing that it breaks so early and will be looking to replace it with a different brand next time around.

      • yes, I did notice the other spray worked, but I thought that one was ladies… so I was unsure of the consequences! lol

  • Around 17 months for mine. Time to look for replacement I guess.

  • So I ended up replacing mine with this one from Bunnings for $399. Was not keen on the Xiaomi Whale Spout after what happened to this one.
    https://www.bunnings.com.au/d-lucci-smart-bidet-toilet-seat_...

    Size wise it's pretty similar to the Xiaomi without the side panel and at least I can deal with Bunnings if I need to claim warranty.

    • Hey Mucchan. My Smartmi also died at the 18 month point and I am looking at the Bunnings option.

      How do you find the D'lucci? How does the water pressure compare to the Smartmi? I found even on high, it was too low for my preference.

      Cheers!

      Mike

      • The water pressure is fine for me. I think it's slightly stronger than the Smartmi.

        Wife complains that there's no option to keep the light on with the D'lucci. Other than that everything else is as good / better than the Smartmi in our opinion.

        • to keep the light on, simply cover the light sensor (with tape, etc) at left hand side (next to the seat release button)

  • How weird mine just died as well, similar period. I'm gonna message Gearbite because thats just silly if they only last that long.

    • Mine also just stopped working. Bunnings one is also sold out near me so I ended up ordering one online

      • Planned obsolescence? Weird that they all died at around 18m, (mine is completely dead, no lights at all)

  • Mine also is playing up now, water pressure issue. Anyway to fix this by opening it up and replacing a faulty part?

  • Yes, mine too at 20 months!
    It worked great for 20 months, but now seems a bit confused.
    Selecting bum wash, it gives you a cold blast, a warm fanny wash, then another cold blast.
    Fanny wash gives you a bum wash, but sometimes it all works OK
    It is something to do with the 3 way valve that selects either of bum wash, fanny wash, or nozzle clean.
    It is driven by a small stepper motor. The valve also has tapered slots so depending on the rotary position of the valve, the pressure can be adjusted from a gentle wash to almost an enema.
    Taking the valve apart, it seems to have a small plastic tab to stop it spinning all the way around which was broken off in mine.
    So it seems the stepper is losing its reference and not selecting the correct position.
    I can't work out how it references the stepper, unless it relies on the motor stalling at the end tab, which won't work now because the tab is torn off.
    Anyway, I can't fix the tab, and need a new valve but am unable to find anywhere to buy one.
    The only help I could find was this Utube video https://youtu.be/rNXm95uXkS4?t=9
    These Chinese products are not supported, and seem to have built in obsolescence, like Japanese ones 40 years ago.
    So, I suggest you don't buy one until Xiaomi set up a spare parts network so they can be fixed.
    At $300 to $400 to buy, they are not a throwaway product and breaking at less than 2 years is not acceptable.

    • Were you able to for back the broken part like what the guy did in that YouTube video?

      Mine just started playing up about a week ago too after purchasing back in August 2018.

      Same symptoms as what you describe.

      How hard is it to pull everything apart?

      I found that if I dial the pressure down to the lowest it seems to spray instead of just leaking out

      • I have had the same problem, unit is 20 months old.

        I actually contacted the guy in the Youtube video above. He was most helpful and a top bloke. I managed to pull apart the unit and located the valve. I could not find any broken tabs in the valve mentioned in some of the posts above, or any "broken teeth" in the valve as referred to in the Youtube video. I suspect my model is different to the one in the Youtube video…

        What I DID find was that there appears to have been some water damage to the stepper motor and the rotor looked clogged up. I cleaned the motor rotor with some RP7 and I assembled it back tonight and the unit is now working fine….

        I will report back in a few days to see if the problem was caused by the stepper motor getting stuck. FYI, the stepper motor is a 24BYJ48 12V DC, less than $10 and easily available. I've got photos of where the problem bits are located - I don't know how to post photos here so PM me if you like.

        In case anyone is interested and need to replace the seat, Bunnings now stock a seat with a wireless remote AND features an air dryer for $318, which is pretty good value. Its called "evekare Smart Bidet Toilet Seat with Wireless Remote Control". Obvious bonus is that warranty returns are much easier with Bunnings than getting any response from Xiaomi…

        • OK quick update - fix looks like to be temporary only and gone back to usual tricks. The fact that it went back to working fine for a day - weird.

          Also, the Bunnings unit has gone up to $399 overnight…..

  • So my unit seems to be working ok now. Perhaps the problem is intermittent?

    Initially I thought the filter was blocked (never replaced it) so I decided to clean that out.
    There was only some sediment in the filter but not much. I flushed it out with vinegar and bleach and water (don't mix them together else you end up with chlorine gas I think).
    Power cycled, triggered the wash a few times and not it seems ok.

    Many thanks to Froogal for sending the photos.
    Will report back if the problem resurfaces and I need to pull things apart to fix

  • My toilet seat stopped working as well after 18 months. The spray position light kept flashing and the unit kept beeping. Opened it up, and found a damaged component in the three way valve. A tiny plastic nob (about 2 mm) sheered off the valve.

    https://files.ozbargain.com.au/upload/119657/84777/5a455d7a-...
    Thanks edrift and Froogal for the photo.

    Tried to glue it back on, didn't work. So next step is to get it 3D printed. Taking measurements was an absolute pain. If 3-D printing works, I'll post a step by step repair guide. Seems like a very common problem, and will be a pretty simple fix if we can get the right replacement part. Will be a shame for us to throw out an entire unit because of a tiny 2mm piece of plastic.

  • Hi Pedroz, keen to know how you go with printing that part. I found the part with the notch missing but couldn’t find the broken bit anywhere…

    • G'day Froogal

      I found the broken plastic part sitting just underneath the motor shaft. It was resting next to another small notch in the housing, and did not look like a broken piece of plastic until I touched it with some tweezers.

      Regarding the 3D prinitng, I took measurements on Sunday and asked a mate to put together a CAD model earlier this week, but realised that some of the measurements I had were off. So I purchased a new set of vernier calipers, and re-measured.

      https://files.ozbargain.com.au/upload/214916/86380/xiaomi_va...

      I also emailed the 3D printing company this morning to ask if they can print the notch onto the old valve. I also asked how accurate the 3D print of the entire valve would be given how small some of the measurements are. Am waiting to hear back from them. Will let you know how I go.

      • Wow, looks like some tight tolerances.

        Making the whole new part might take a few goes I'd say.

        I have a 3d printing pen and when I get around to pulling my seat apart I would try just printing new plastic on to the old piece (assuming the same problem).

        But currently I have been types of filament (PCL and pla) so I'm not sure which would bond the best.

        I have had good success in plastic welding ABS before, but this piece looks too small to do that

        • I've put together a couple of models in Tinkercad, and have asked a company with some serious 3D printing gear to print off a couple of samples in different materials. First print will be done in resin based on the recommendation of the company. Given the way the valve works (the notch on the valve hits another notch in the motor shaft housing) it seemed printing the notch on to the old part would be a short term fix. Even if an entire re-print may only last another 18 months.

          Hoping to pick up the printed part on Friday. Will keep you all posted on how it goes.

      • That is some very impressive work! Keen to know how you go.

    • I finally got around to pulling apart my seat based on the photos you sent me.

      I was able to crudely 3d print a little tab on to the broken piece by using PLA filament and a soldering iron. (My 3d printing pen was broken at the time)

      Everything inside the unit looked fine. No signs of water damage. No leaks.

      Sadly still beeping and throwing errors. Water doesn't heat.

      Valve seems to work (need to power off and on to test) but overall the seat is unreliable.

  • +1

    Printed a couple of replacement valves, got the seat sort of working after sanding away the part to make it fit. Unfortunately the the spray position light started flashing, and the seat stopped working. I tried replacing the broken valve with a valve from a working toilet seat, it didn't solve the spray position error.

    • Does seat heating still work? I may need only that for winter.

      • Once the spray position light starts flashing all the buttons become unresponsive. The seat stays heated, but I cannot adjust the heat setting. If the seat light is on, I can't turn it off.

        • Thank you, the board may has some problem. I've just bought this toilet and now a bit worry.

          • @ndoan: I just ran a test with the water tap turned off, no problems. All buttons work. When I turned the tap on, the spray position error came up, and water started leaking out of the housing. So looks like I had two problems, broken valve + water leak.

            • @Pedroz: Pedroz, Perhaps try rotate the valve 180 degrees before putting the stepper motor on. Also make sure the o-ring is seated properly on the valve. I made that mistake and water leaked everywhere.

            • @Pedroz: Did you ever get this fixed?

              Aside from the inconsistent spray over the past 6 months, over the weekend the control panel just stopped working.

              Flashing position light and the seat doesn't heat anymore.
              No visible signs of external leaking

  • Anyone have any updates on getting this fixed? Mines doing it now..

  • Created an account to share back my findings with this most useful thread.

    Mine developed issues after about 2.5 years - single person household so maybe less use than some others.

    It had the sporadic spray issue, but no error codes.

    Based on the info in this thread, I was able to find the "broken tab" and glue it back on using super glue.

    It seems to have fixed the issue, although I think pressure may be slightly lower. Not sure how it will hold up. I suspect as others have metioned this notch is probably subject to regular stress, and so may fail again.

    As DF8 mentioned above, it's a bit confusing how to orientate the valve when reassembling - I'm not clear if there is a "correct way"

    Tip: If you don't have the right triangular screw driver, try searching around on how to open them without one. I was able to use another funny shaped screwdriver that was in my set.

    Here's a couple more pics:
    https://files.ozbargain.com.au/upload/396833/89602/before.jp...
    https://files.ozbargain.com.au/upload/396833/89603/after.jpg

    If it breaks again, I might try some "Knead It Aqua". I've had pretty good success with that in the past. It is moudable, has good adhesive properties and dries hard.
    https://www.google.com/search?q=bunnings+knead+it+aqua

    • Nice one. Thanks for sharing!

      So I gave up on mine and threw it away recently.

      The valve fix was short lived and mine resumed beeping.

      I bought the Kogan electric bidet seats instead. It uses more standard water fittings too instead of proprietary connectors.
      Also has a dryer function and spare nozzles and filters included.

      Got it on sale for $209 delivered and hopefully will last longer than the mijia one

    • Do you have a guide for the process to getting to this valve?

      • It's easy.

        Remove the seat.

        Unscrew the bottom. Screws are triangle ones and hidden by rubber plugs.

        Unscrew the 4 Philips screws securing the valve (see photos i posted previously).

        Unclip the valve housing

        Remove the valve and repair.

        • Thanks will have to give this a shot

    • Update:
      Holding up ok (5 weeks later), I was quite careful with the glue job. Used rubbing alcohol to clean before, and was very careful with placement.
      Pressure is fine. Fingers crossed……

  • I tried super glue, works for about a week. Finally "old school" method soldered a small piece of metal on a metal washer (see picture) then glue it on the valve…..so far the toilet has been working for 5 months.
    https://files.ozbargain.com.au/upload/101344/89900/img_4431....

    • That's a great idea. Surprised it still fit in the tube.

      Also wonder if it rusted?

      • Since it is still working perfectly, I have not open it up to see whether it's rusted. It's on the dry side of the valve and I did use very thin "colour bond" material to construct the washer and painted the steel with a clear coat after gluing on the valve. Hope it will last for some time. Fingers crossed.

        • Nice one!

          Perhaps I shouldn't have thrown out my seat. Oh well too late for that now.
          Bought a Kogan one instead. Hopefully it lasts longer!

    • I wonder how a 3d printed version of your washer would hold up, glued in the same way.

      Likely not as strong but potentially easier to manufacture for some (like me).

      Might be able to design in a bit of extra stress relief by chamfering/filling/rounding corners a little etc…

      • One of the guys a few posts above already got a valve 3D printed

        • Yeah I did see that actually. Was thinking this hybrid approach might be less vunerable to tolerences and easier to modify/print at home.

  • Waiting for someone to make one so I can buy one haha. On another note, I'm having trouble undoing the filter to swap for a new one. any tips?

  • Have faced water pressure issues with my Bidet too (flashing light). Thought I'd have a go at the fix based on the pictures above and thought I'd share an update.

    In my bidet, it looks like Xiaomi addressed that value failure issue and designed a new part for it in later batches, see:
    https://files.ozbargain.com.au/upload/194419/90867/img_20210...
    https://files.ozbargain.com.au/upload/194419/90866/img_20210...

    Some further investigation: my stepper motor is running fine though and mechanically doesn't seem to have any problems. I reset the bidet a couple of times and watched the motor turn. The "wash" valve that cleans the bidet outlet runs fine, see below. So mechanically I think there should be enough pressure to squirt the water for a normal bum wash. There's also been a couple of times when I've pressed the button every 10 sec or so and it's worked after a couple of tries, but not anymore.
    https://files.ozbargain.com.au/upload/194419/90868/img_20210...

    The flashing light issue seems to me like there's some failsafe sensor that's detecting an issue elsewhere and the coding logic refuses to proceed with the bum wash.

    A bit bummed out ;) with the bidet. Seems over-engineered. I've had 2 of them, the first lasted ~2 years but one day no longer turned on. This one lasted 4 months and had the flashing light issue. I'm a big fan of Xiaomi products but very disappointed with this one and will be a bit more cautious.

    Might consider the Cefito as a replacement or even a non-electric one that has lower chance of failing.

    • Interesting about that valve. It is a different design.

      If only 4 months old, why not claim warranty?

      I bought the kogan seat as a replacement. Still working, touch wood

      • Have tried already. Made the unfortunately mistake of buying from banggood without PayPal protection. Initially had high expectations because of the existing one I owned.

        Hopefully the Kogan one lasts longer! I'm not a big fan of Kogan as a company either but seems like the bidet is a decent alternative.

        • +1

          Yes they are shocking to deal with sometimes.

          I have had great warranty experiences with them sometimes, but terrible other times. Had to contact consumer affairs.

          But at least it's an Australian seller bound by ACL unlike Banggood.

          • @edrift: Is your Kogan bjdet working fine. Thanks. Mine purchased from a company on ebay who closed and repair could be possible

            • @rehan770: Yeah Kogan one is working great

              It is good because it has a dryer too, and came with spare parts (filters).

              It also uses standard fittings.

              I think the energy saving is better too

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