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Kaz Ultrasonic Humidifier does not run after cleaning water sensor tip. Unit is 3months old and has had this problem once before. Got it to work them by wiggling the sensor around. Did not work this time, and can get no mist from it- just a slow running fan.

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  • jdigiorgio May 10, 2009

    Only fan runs no steam is about three months old

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SOURCE: leftover water in the base was hot in the morning

If there is not much leftover water, you don't have to worry much about it. However, if the leftover water is
somewhat flooding the area where it was located, it is a
different story, there is a leak and it must be corrected.
Check for leaks in the water container, so that operates
normally. Hope this will help you.

Posted on Jan 10, 2010

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It runs but does not put out any mist.


You didn't specify the brand or model, but for generic advice, try using a strong solution of white vinegar and water and soak overnight or for several days (if very scaled up).

If you were using hard water in the humidifier, try using a commercial humidifier cleaner such as BestAir products (or similar - there are many to choose from): Amazon com BestAir 3US 6 UltraTreat Ultrasonic Vaporizer Water Scale...
(Make certain it's certified for steam and/or ultrasonic use, if your using that type of humidifier).
Follow directions on box. You will have to let soak for a period of time (hours/days) to allow chemicals to do their thing.

If you are using "soft" conditioned water, just refill with soft water and allow to sit for several hours, then discard and refill. The hardened minerals will re-disolve and will be removed when you flush the unit. For hardened minerals clinging to the sides, etc, just use your fingers to break up, possibly a brush or Dolby pad and break them loose.

(Soft water has just as much minerals as hard water, but in hard water there are mostly calcium based and turn rock hard and in soft water they are sodium based (sodium bicarbonate actually) and have a weak structure).

It's important to keep a humidifier clean of deposits, not just to keep the unit running, but to avoid air quality problems (bacteria will cling to scale buildup, which make excellent breeding grounds for them).

If you use "hard" tap water, clean (at a minimum) once a week. Use white vinegar and water - 50/50 mix. If your using "soft" conditioned water, clean once a month. Same with distilled water.
You could also consider using a small amount of bactericide in the water to prevent bacteria from growing. (Okay for filter type humidifiers, but DO NOT use in ultrasonic or vaporizer type humidifiers). 1/4 cap full should suffice. BestAir 3BT 6 Original BT Humidifier Bacteriostatic Water Treatment 32 oz

Jan 03, 2016 | Humidifiers

1 Answer

I want to know best way to clean the humidifier and how often?


It all depends on a couple of factors.

First is the type of humidifier your using. Portable or whole house connected to the furnace. Steam, ultrasonic or filter. Your unit's instructions is the best guide as to how often you need to clean it and this can vary from every day to once a heating season.

My recommendation is to watch and clean the unit as soon as you see scale forming. Then in the future, reduce this to just before you see scale forming.

The second is the type of water you are using. Hard tap water is the worst and usually will require every day for small portable steam or ultrasonic units to once a week for filter models. For central whole house humidifiers, once a month (perhaps as little as every two weeks if your water is really hard, >10 grains hardness). There is no fixed formula for this, the idea is to perform on-going, preventive maintenance.

Soft or conditioned water will contain the same amount of minerals as hard, but the softener has replaced the calcium minerals with sodium minerals. (Sodium bicarbonate actually).The result is the humidifier will still form scale but it much easier to remove. With soft water scale, you can just break up the scale with your fingers and the filters can just be submerged in clean water and the salt scale will re-dissolve.

Third, with distilled water, you may only need to clean any of these units annually. (No minerals to for scale).

With any filter humidifier, consider using a commercial bactericide to prevent the growth of bacteria when the water sits for long periods (>14 days). Not so critical with soft water as the salt will retard the growth of bacteria, but very important with hard or distilled water. Don't use this product in ultrasonic or steam humidifiers as it will be carried into the air along with the water vapor, and can be considered as toxic.

With hard water, use a 50/50 solution of white vinegar and water to dissolve the scale buildup. This works best if done on a regular basis. If left go too long, it become impossible to clean properly. You need only use regular water when using soft or distilled water in your humidifier.

Dec 25, 2015 | Kenmore Cool-Mist Ultrasonic Humidifier...

1 Answer

How do I clean the dual tank ultrasonic humidifier membrane


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Dec 14, 2015 | Humidifiers

1 Answer

Unclog personal humidifier doesn't work


If this is an ultrasonic humidifier, in the bottom of the humidifier is a little disk that vibrates to turn water to vapor. This gets covered in mineral deposits and won't vibrate properly. They usually suggest something like vinegar to clean it. I found that this didn't work for me. What did work was cleaning it with my Waterpic on the highest setting. It chipped away the deposits and allowed it to work. HOWEVER, once you get it running again, buy the slant fin mineral absorption pads to keep it running. If you have mineral-rich water like me, you'll go through them quickly, but you also won't have white deposits on your walls anymore.

Feb 25, 2015 | Humidifiers

1 Answer

How do i use a challenge humidifier s35u-b


The challenge 3.5 ultrasonic humidifer is very similar to the Vicks one on the inside (same nubuliser etc.). It's manual is here http://www.kaz-europe.com/wp-content/uploads/VH5000E_OM_01JUN11.pdf and its made by www.kaz.com - they manufacture humidifiers under a few different brand names.
The vicks cleaning instructions are more stringent, I think because they are marketing this as a children's humidifier - they recommend bleaching the unit.

Mar 10, 2012 | Humidifiers

1 Answer

I have a healthist humidifier model 4100.. I purchased my humidifier on 12/26/09 from Raindew pharmacy. So far I had no problem.But today, when I plugged the apparel, nothing haened, the motor is not...


If you've been using tap water, then you likely have hard water deposits (scale) on the heating element, which will eventually cause it to stop working. Try cleaning it with an overnight vinegar soak, or whatever is suggested in the manual if you have one. Once most of the deposits are gone, it shold work again. In the future, this will not happen if you use distilled (not to be confused with filtered) water. Good luck!

Feb 13, 2011 | Kaz 4100 1 Gallon Humidifier

1 Answer

Leftover water in the base was hot in the morning


If there is not much leftover water, you don't have to worry much about it. However, if the leftover water is
somewhat flooding the area where it was located, it is a
different story, there is a leak and it must be corrected.
Check for leaks in the water container, so that operates
normally. Hope this will help you.

Jan 10, 2010 | Kaz 5520B Humidifier

2 Answers

Sunbeam ultrasonic humidifier runs but produces no mist


It sounds very much like the transducer has failed. This is likely a crystal transducer and since they produce the agitation that should cause a mist, they are running continuously; not a good thing for something that is trying to shake iteslf apart all the time. These require input from a circuit that produces the fairly high level of power needed to drive the crystal so it could also be the source of the problem.
This isn't something an owner is able to diagnose unless they have some technical training.     

Nov 08, 2008 | Sunbeam Ultrasonic 81696 Humidifier

1 Answer

Sunbeam Ultrasonic Humidifier, model: 697-6


Located My Manual:
Hope this helps!

1. Remove tank from base. Turn upside down and unscrew filling cap. Fill tank with clean, cool, distilled, or tap water. Water temp should NEVER be too hot or too cold. Return tank to base and let sit for a few minutes. Be sure the filling cap of the tank is tightened firmly.

2. Plug power cord into a 110-120V AC wall outlet only. Turn power switch to "on" position. Power light will illuminate. Turn mist nozzle until desired level is being released. Aim nozzle away from furniture and walls.

3. Always turn humidifier off when water runs* out. Unit will continue to operate when tank is empty.
*Humidifier will run up to 12 hrs on low; 6 hrs on high.

DO NOT LET WATER SIT IN TANK FOR LONG. THIS CAN ENCOURAGE BACTERIAL GROWTH.
Place unit on level surface away from direct sunlight.
DO NOT ADD MEDICATION OF ANY TYPE INTO THE NOZZLE, BASE, OR WATER TANK.
ALWAYS LEAVE ROOM DOOR PARTLY OPEN. DO NOT MOVE, TILT, OR EMPTY WHILE OPERATING.

Mild bleach and water solution for cleaning, never detergent.
Clean every 3rd day during use. Clean after long storage
Humidity varies from room to room. Aim for 30 - 50% relative humidity. If windows/ walls fog or frost, reduce mist intensity. If room too humid, ventilate by opening door or window; adjust mist intensity.

Sep 22, 2008 | Sunbeam Ultrasonic Humidifier

2 Answers

Sunbeam ultrasonic cool mist humidifer model 700


The Problem is minerals in the water. Impeller and ultrasonic designs send these minerals into the air. If the water in your area contains a lot of minerals, you will notice them as dust. The EPA does not issue health warnings about minerals in the air, but does recommend using low-mineral water (such as distilled water) in your humidifier. Many ultrasonic models feature a demineralization cartridge that filters minerals out of the water to prevent the dust.

Good Luck.

Feb 17, 2008 | Sunbeam Ultrasonic Humidifier

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