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I have had times where my Crane humidifier won't produce mist if I haven't turned it on for several days (4+) or more. The water that sits in the reservoir may develop a film on the ultrasonic element which inhibits the creation of the mist to come out the top of your humidifier. I would lift off the tank and empty the reservoir. Then VERY GENTLY with a piece of paper towel, wipe the ultrasonic element (looks like a disk the size of a quarter at the bottom of the reservoir) to clean off any film. Then replace the tank and let the reservoir fill up the tank and try it again.
If your humidifier runs properly for a minute and then makes a whirring noise and goes silent (like the motor stopping), then it's a motor problem. The humidifier motor may have gone out of alignment due to bumping or rough handling of the humidifier when cleaning or emptying it. If that is the case, you will have to empty the humidifier reservoir, unscrew the base, and find the screws holding down the motor and check for misalignment. Loosen them a little and put it back together and try again.
"Take the humidistat out of the humidifier and look for the 3 slits below the restart button, take a hair dryer and send some warm air into those slits for 5 minutes. That usually recalibrates the humidifier."
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.
The unit may simply has a calcium scale build up and it's blocking the water passage. To clean it, empty in water remaining in the tank. Mix a 50/50 solution of White Vinegar and Bottled Distilled Water and fill the tank. Allow it to soak for at least one hour, then turn the unit ON. Place you hand in front of the misting nozzle to see if it's working. If you don't feel any mist, turn the unit OFF and allow it sit over night. If you do feel mist, allow it to run until the tank is 3/4's empty Turn the unit OFF, pour out the remaining solution and refill with Bottled Distilled Water. Run the humidifier until it's empty. This will flush the system entirely. In the future, I would recommend you use Bottled Distilled Water, instead of Tap Water. If you do, you won't have to descale the unit any more.
The humidifier may be clogged with a calcium scale build up. Especially, if you use well water or your municipal water supply has a high chemical content.
To solve this problem do the following. Mix a 50/50 solution of White Vinegar and Bottled Distilled Water (enough to fill the tank). Empty any water that is currently in the tank and fill it with the 50/50 solution. Allow at least one hour, before turning the unit ON. After turning it ON place you hand in front of the mist nozzle to see if any mist is being generated. If it's generating mist, allow it to run until the tank is 3/4's empty. Then turn the unit OFF, unplug it and empty the remaining solution. Refill with Bottled Distilled Water and run until the tank is empty.
If the unit did not produce mist after one hour of soaking, allow it to set over night and then follow the procedure above. Generally, an overnight soaking will do the trick. In the future, I recommend using Bottle Distilled Water rather than your tap water.
Hope this helps you solve the problem. Please let me know. Thanks.