Question about Air-O-Swiss 7133 Humidifier

1 Answer

Flow of mist intermittent.

When the tank gets to half full (or half empty if you're so inclined), my air-o-swiss starts to turn itself on and off at short intervals (10 sec. or so) as if not enough water was in the tank. It always used to do this when the tank was getting totally empty but now it does it even as there is enough water. I changed the filter and cleaned the machine but that didn't help. It seems like it could be a problem with the floater. Any ideas on how to fix this problem?

Posted by Anonymous on

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Anonymous

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Here is the manual if you need it http://www.plaston.com/uc/ats/products/ultrasonic/aos7133/index_html/manual on page 6 you can see item k - the water level sensor - i believe it is electronic not a float device (but either way the same is usually true)- usually these can fail when dirty - limescale mostly. a lot of the problems may be the result of not replacing the demineralisation cartridge often enough. descale by leaving overnight with around 40% vinegar solution full to the top, make sure the demineralisation cartridge is removed while u descale - check pages 9& 10. Hope this helps :)

Posted on Mar 08, 2007

  • Anonymous Mar 08, 2007

    if no joy with this try neat vinegar, but ideally use white vinegar (available from hardware stores) as it has little residual smell - any descaler other than vinegar is likely to damage certain parts and vinegar should work fine.

    If still no joy see if you can remove the sensor through the base and perhaps it can be cleaned separately - be very gentle.

    :)

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Rinsed my humidifier with water and wiped the base down, refilled it and now it seems to be making the mist in the base butbisnt making it's way out of the mouth of the dolphin

The tubing to the mouth of the dolphin or the misting nozzle is clogged with mineral buildup and scale.
To clean this, do the following.

Empty the water in the tank and replace it with a 50/50 solution of White Vinegar and Bottled Distilled Water. Allow the unit to sit for 30 minutes, then turn it ON. If mist does not appear within 10 minutes from the mouth of the dolphin. Turn the unit OFF and allow it to soak over night. In the morning, turn the unit ON and allow it to run. Once the mist appears where it should, run the unit until the tank is half empty. Then empty the tank of the remaining solution and refill with Bottled Distilled Water and run the unit until it is empty. This will flush all the remaining solution from the tank, tubing & nozzle.

In the future I would recommend using Bottled Distilled Water on a regular basis, rather than tap water. Doing so, will eliminate the problem of scaling.

Hope this helped you and thanks for choosing FixYa.
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WATER LEVEL FLOAT DEVICE PREVENTS UNIT FROM TURNING ON,EVEN THOUGH WATER TANK IS FULL. REMOVED SOME FILTER MATERIAL WITH NO EFFECT. FLOAT IS FREE WITH NO RESTRICTION.

These hints are from the air o swiss webpage.
Q: No mist / unit is not working / empty indicator keeps flashing
A: Fill up the water tank. Check if water is flowing through the demineralization cartridge (attached to the water tank cap). If the water tank is full but there is only little water in the base it indicates that the water is now flowing through the demineralization cartridge.

  • Wait for 15 minutes to allow the mist to come out of the unit.
  • If the unit is not working and the empty light is not flashing you might have set the desired humidity too low and the current humidity level in the room is higher. That is why the unit switches off automatically.
  • If the empty indicator continues flashing and the tank is full, water is not flowing through the cartridge. Exchange the cartridge or the granules in the cartridge after 2-3 months, in areas with hard water exchange the cartridge after 1 -2 months. However, the demineralization cartridge and or the granules must be exchanged at the latest after 6 months or the unit does not reach its full performance.
If the granules are new, see the following instructions:

  • Make sure the cartridge and/or granules were soaked for 24 hours, water takes longer to filter through dry granules in cartridge and into the base. Next, remove 2 tablespoons of granules from the cartridge, and throw them away. Too many granules in the cartridge it does not allow water to flow from the tank to the base.
If your issue is with the float and not the mister, then you have to make sure the float is tripping the micro switch that turns the machine on. Some units the filter will not allow the float to hit the switch if the filter is not installed correctly. If everything is in correctly and the float is tripping the switch, then the micro switch must be faulty.
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No more steam. Want advice on disassembly.

There is info on the FAQs from Air-o-Swiss:
http://www.airoswiss.net/service/faq.aspx#35


Q: No mist / unit is not working / empty indicator keeps flashing
A: Fill up the water tank. Check if water is flowing through the demineralization cartridge (attached to the water tank cap). If the water tank is full but there is only little water in the base it indicates that the water is now flowing through the demineralization cartridge.

  • Wait for 15 minutes to allow the mist to come out of the unit.
  • If the unit is not working and the empty light is not flashing you might have set the desired humidity too low and the current humidity level in the room is higher. That is why the unit switches off automatically.
  • If the empty indicator continues flashing and the tank is full, water is not flowing through the cartridge. Exchange the cartridge or the granules in the cartridge after 2-3 months, in areas with hard water exchange the cartridge after 1 -2 months. However, the demineralization cartridge and or the granules must be exchanged at the latest after 6 months or the unit does not reach its full performance.
If the granules are new, see the following instructions:

  • Make sure the cartridge and/or granules were soaked for 24 hours, water takes longer to filter through dry granules in cartridge and into the base. Next, remove 2 tablespoons of granules from the cartridge, and throw them away. Too many granules in the cartridge it does not allow water to flow from the tank to the base.

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Q: Unit is running intermittently.
A: How long has it been since the contents of the cartridge were replaced? If 2-3 months have passed, it is time to replace the contents of the cartridge. However the demineralization cartridge and or the granules must be exchanged at the latest after 6 months or the unit ceases operating at its full performance. If the contents of the cartridge were just replaced there are probably too many granules in the cartridge. Remove 2 tablespoons of granules from the cartridge.

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