Question about Vicks Warm Mist V745A 1 Gallon Humidifier
I completely cleaned all hard water deposits and inside of tank. Unit works for about 5 minutes expelling generous amounts of warm steam. Then unit stops, reset light comes on which indicates unit needs water. Tank is full. I turn it off...wait 5 minutes...turn it back on and it works great for about another 5 minutes when the unit stops, reset light comes on etc. Hope there is an easy fix. I have a sick baby that needs the humidifier. Thanks guys
I was up all night with this since I just purchased it yesterday and I wanted to be certain that there wasn't some simple alternative to returning the humidifier since the reset light keeps going on immediately after I turn the unit on AND I've already followed all the directions to the T. Believe me - I was ready to return it cause ain't no 38.99 worth me doing all this tinkering and trying to figure out why they couldn't make the unit correctly cause apparently A-LOT of people have this problem. If it wasn't for my three children being so ill including myself getting sicker going out to purchase the humidifier and I was trying to avoid going back out to further compound my illness----I WOULD have just returned it. MAYBE I still will return it. ANYWAY, here's the deal: the water in the tank SHOULD flow into the boiling chamber where of course steam rises from there; however, the WATER VALVE in the CAP to the water tank does not allow any water to flow into the boiling chamber because it is so tight. The reset light goes on as if there was no water in the tank because of course, the heater is on, but no water is getting boiled because the water can't get in. There are a few things you can do. First: the water valve is a little stick and a spring within a piece of rubber that can be slipped out of the cap (this is what I chose to do). Now the water flows easily and even with the unit set to high, there is no problem. It just works. Second: You could remove ONLY the stick and spring from the water valve's rubber piece. This would work if the hole in the rubber piece happens to allow steady water flow (mine wouldn't). Third: you could probably do some cutting til you were satisfied with the results.
Posted on Feb 01, 2009
OK, had the same problem. When reset light comes on, unplug humidifier and replug. This resets the reset...Now the light will turn green when you put it on I or II. Happy vaporizing!
Posted on Nov 11, 2010
Thanks, ngardeniac! Took out the valve. Works fine. A little messy, but works fine.
Posted on May 09, 2010
I have the same humidifier and found it was doing the same thing even though the water reservoir was full. But I fixed it! If you remove the water tank, the cooling chamber there will be a locking mechanism you just pull back with your thumb and pull out the double tray to access the heating chamber there was tons of hard water deposits and shards built up like no tomorrow over the heating pod. Unplug your device and scrape out all the gunk and either use your fingers and nails to scrape it off or use a sponge with a scouring side and make sure you rinse it all out including in the removable tray there will be some deposits in that too. After finding all this my humidifier worked like brand new!! Hope this helps everyone.
Posted on Mar 10, 2015
I have had the same problem with mine. For a while unplugging and replugging it would reset it. Then after a while that would only work if I put it on low after unplugging. Eventually none if it worked so I unscrewed the cap and pulled on the black washer/plug until it clicked back out. Then released. No overflow water problems because the washer is still there but I've forced it out so it understands there is water in the tank. Works just fine on high or low every time.
Posted on Feb 08, 2015
By setting the unit on I (low) instead of II (high) solves the problem. The unit doesn't produce as much warm mist as before, but it does run continuously until the tank is empty.
Posted on Feb 07, 2008
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