Question about Bionaire Cool Mist BCM4510U Humidifier

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Good evening, I cannot turn my unit on. It is plugged in but when I push the buttons (any of them) nothing happens at all.

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3 year old Essick tower D46720 sat during off season. Cleaned, filled and plugged in today and will not turn on. Lights are on; nothing happens.


The red water level light was on even though both tanks were full. The white float behind the filter WAS stuck to the bottom of the tank. I just moved it to its floating position and voila! it is working.

Nov 21, 2016 | Essick Air D46720 6 Gallon Humidifier

2 Answers

How do i get my resperonics vpap 25 to turn on


James, I used to have one, but I spent so much time fighting it that I gave up and sold it. I would go online and check out sleep apnea mouthpieces (that typically treat snoring, but work for apnea as well!) They work pretty well, are much less expensive and much quieter, and much less invasive!!!! Good luck!!

Aug 16, 2014 | Philips Respironics Auto BiPAP Machine...

1 Answer

We just bought an idylis ultrasonic humidifier, but the directions don't make sense. It says to push the button in and wait til it pops out to set the humidity level. It nevers pops out by itself.


I am very fond of my Idylis humidifiers. Best I've ever had. When I bought a 2nd one, I noticed that the HUMIDITY SETTING button had a small sticker on it that said "PUSH TO ROTATE". My larger unit [no longer available] did not have the sticker. And, the sticker instructions are indeed confusing. The button actually has 2 positions 1) when depressed all the way in the settings are locked in place and 2) when pressed in just enough to pop the button up and outward, the button becomes a rotating column that can be turned either L or R to set the desired % humidity. Once the digital readout is at your preference, push the column/button in to lock it down and secure your setting. OMG, so wordy on my part! I think the darn "PUSH TO ROTATE" sticker is not helpful.

Jan 27, 2013 | Humidifiers

1 Answer

I have the unit listed below and I have an amber button on the unit that keeps on flashing (reset button). I've try to push the button in and reset it but nothing happens... The unit also dos not have any...


Not having any water in the reservoir is more than likely the problem. Has someone turned off the water supply line valve to the humidifier? Does the inline, water sediment filter need cleaning or replacing? The real question is, why did the water supply to the humidifier stop? Troubleshoot that problem based on the questions asked above and you'll solve the problem.

Hope this helped you solve the problem.

Mar 10, 2011 | Honeywell HM509H8908 Humidifier

1 Answer

I just installed a Honeywell HE 360 Humidifier I purchased at Home depot. I replaced a Aprilaire model 110 . I have a 120v power duplex that is hot with the furnace blower motor, on so I assumed the sail...


Hello, in order to turn your humidifier on with the furnace the 120 volts coming from your humidifer you must hook it up to a step down transformer, then the transformer will provide 24 volts to you humidistat and solenoid valve. So you need a wire from the HUM on your control board to transformer primary side and a wire from neutral on the board to primary side of transformer. Then you need low voltage wire from secondary side of transformer to humidistat from humidistat to humidifier.

Feb 20, 2011 | Honeywell HE360A1027 Whole House...

1 Answer

Kaz 2100 Warm Steam Vaporizer was stored empty for about an year. Today I filled it with water, plugged it in, waited and waited...... no results. Wouldn't start. There is no buttons to push, nothing to...


Chances are the rubber pump inside the unit cracked and will not work anymore. This type of unit is a "Disposable" unit and is not intended for repairs. Its cheaper to buy a new one then buy parts for this.
Hope it helps.

Jan 28, 2011 | Kaz 2200-6 2 Gallon Humidifier

1 Answer

Kenmore Humidifier not operating?


Turn the unit off, lift the fan assembly off the base, and push the connector together that goes to the float switch on the bottom of the fan motor. If you hold the switch in with your finger (careful not to get into the fan blades) and turn the unit on, the F indication should go away. F (as in Fill), apparently, means the base has no water. The plastic tube that sticks up out of the base floats on the water and pushes the switch. Put it back together, it should work!

Dec 08, 2009 | Kenmore Humidifiers

3 Answers

Humdifier wont work


I'm having the same issue

Jan 18, 2009 | Honeywell HWM-260 Humidifier

1 Answer

Honeywell warm mist humidifier shuts off


I want do any thi9ng after I====push the power button once,
push timer once, I chose 50%hum. the icon (two tear drops)
stoped blinking. Nothing happen at this point as for as
humidity in tothe room. HELP

Jan 04, 2008 | Honeywell Warm Mist HWM-255 Humidifier

2 Answers

HM5081TG Reset Light won't turn off


Reset the unit once it is refilled by pushing the power button and holding it down for 5 seconds before releasing. This should reset your unit to factory settings.

Oct 21, 2007 | Holmes Products HM5080-U2 Humidifier

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