Question about Essick Air Credenza 696 400 5.2 Gallon Humidifier

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The fan is loud and the motor is running "hot". Is there a place to oil the fan's motor?

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This is a sealed bearing motor so there is no oil ports. You can blow out with compressed air and spray motor shaft with WD-40. Be careful not to spray any lube inside motor. If you can get to them blow out motor cooling ports .this should help motor run cooler and quieter. Hope this helps you. Thanks

Posted on Jan 02, 2011


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My bcm740b humidifier fan isn't moving. Advice

Your problem is that your fan motor needs to be lubed. The bottom bearing on the motor can be lubed by taking the fan tower off the base and turning it upside down. Using a flashlight, you should be able to see the "bottom" bearing of the fan motor. I usually just put a drop or two of Mobil 1 or some other synthetic motor oil on the bearing and let it sit inverted for a few minutes so the oil flows into the bearing. If you are lucky, this will be sufficient and your fan motor will start running again....If not, then the "top" bearing ( when sitting in a normal position) right under the fan blade will also need to be lubed...This will require disassembly of the fan tower so you can access the bearing with some spray lube, then reassembly of the tower which can be tricky so you don't break any connectors that keep the whole assembly together. Try the bottom bearing first and save the other one for the summer!

Jan 01, 2018 | Humidifiers

1 Answer

Fan works for short periods

Sounds like the fan is overheating- these are typically 1/20th HP motor- VERY weak! Try cleaning/ blowing the motor out to get rid of dust/ hairs/ grime/ etc. then oil the bearings with 3-in-1 oil like sewing machine oil, spin it a few times by hand to free it up & try using again.Short of that, get a new motor for it- if you can't find one, believe it or not most bathroom exhast fans are the same motor, and if you look at a few in Home Depot, you'll find one that will be almost a direct fit!

Mar 30, 2013 | Humidifiers

1 Answer

Only one fan working

There are two causes of your problems:
1. The fan needs you to manually turn it to start running.
Problem: The motor bearings both ends are dried out.
1. Remove the motor/fan from the motor housing (there are two screws that hold the motor to the housing. The only way I know how to get to the screw is to bend one of the fan blade up and use a long screw driver to get to the screws.
2. Remove the two screws that hold the bearings to the motor.
3. Detach the bottom bearing (opposite of the fan end.) You might have to use a flat screw driver to pry the bearing off.
4. Use a Q-tip and soak it with motor oil or grease then lubri- cate the fan end shaft/bearing.
5. Use a Q-tip + alcohol to clean up the bottom bearing hole, then lubricate it with grease or motor oil.
6. Put the motor and bearings back together and make sure that the fan can turn freely now.
7. Install the motor/fan back into it housing.
The fan should turn on its own without you helping it.
If the fan won't turn, you have a bigger problem. See below.

2. The fan won't turn at all and is really tight even when you try to
turn it by hand.
Problem: The transformer coil(s) is/are burnt out. Chances are you let the fan run dry to a point that it squealed and started to smell like it was burning before it quit all together.
Solution 1:
1. Remove the filters and their housing on the bad fan side.
2. Duct tape a piece of plastic over the bad fan opening.
3. Run the humidifier with one fan. It works just as well.

Solution 2:
1. Buy a new humidifier.
2. Make sure you lubricate the bearings as soon as the motor begins to squeal.

Solution 3: You need knowledge of electricity
1. Take the motor/fan out from the housing.
2. Use a vote meter to check the resistance in both coil of the transformer; should read about 17 ohms. The coil(s) that has a high reading or if the meter shows 'OL' is bad. Remove the Yellow tape from the coil to see if you have a loose soldering joint between the coil wiring the electrical cord. If yes, solder the joint back together, check the resistance again to make sure you have about 17 ohms. If the answer is yes, put the yellow tape back on the coil and use electrical tape to secure the tape. Hopefully, the fan should work now. Good luck!

Feb 03, 2013 | Kenmore 14417 Humidifier

1 Answer

Motor runs fine--but drum "skips" and does not

Hello, if you mean the motor runs fine without the drum in place then it could be that the drum is not properly seated on the small motor shaft, also alot of times i see that the motor runs fine but once the drum is in place it skips and does not move due to the gear and shaft inside the motor being slightly craked or broken. If the drum is seated properly than the motor must be replaced.

Feb 11, 2011 | Honeywell HE120 Humidifier

2 Answers

Kenmore Humidifier 14114 - the fan suddenly stopped running. Changed fliter and water, unplugged the unit, changed dial to highest humidity level - the unit will not run.


Please turn off the power to the unit and unplug it. Now check the fuse inside the unit, make sure its fine and not burnt If fuse seems OK then inspect the connections to the fan and make sure the wires are not cut. Also, inspect the control for any burnt components, use a multimeter to confirm. Hope this helps... Please post back with complete model# if you need more information.


Jan 04, 2011 | Kenmore Humidifiers

1 Answer

Motor is making loud noise and won't blow a lot of vapor

If you feel like trying take it apart and oil both ends of the motor shafts with Turbine Oil or 3in1 electric motor oil then you may be able to get life back into it. Some oils come with a long straw you can slip out of the bottle to reach inacessable areas or devices you wish to not open to save time, like when you can see the motor shaft areas ( each end of motor) and oil them that way. These can be saved sometimes but if the shafts are too scored up and have gumed up factory lubrication then the fix won't last a long time.

Mar 03, 2010 | Crane Elephant 1 Gallon Humidifier

1 Answer

Can i fix the fan on my dimplex dac 9005 portable

1. Disconnect the dimplex aircon from the power source.
2. Dismount the motor driving the fan from its mounting.
3. Mark the motor lead wires accordingly.
4. Disassemble the motor, and replace the bearings.
(Take note of the bearing number located at sides)
5. After replacing the bearings, assemble the motor,
and have it remounted in place.
6. Reconnect the wires and palce an electrical tape
at the bare joints.
7. Conduct a test run of the unit..
Hpoe this helps.

Jan 05, 2010 | Humidifiers

2 Answers

My aprilair's humidifier motor began to make loud squealing noise

Put some lubricant, oil, WD40, etc. on shaft of fan. Spin the fan with your finger and work the oil into the shaft until the fan spins freely again. Reassemble and problem will be gone for 2-3 weeks. Repeat again until you want to replace the fan motor.

Dec 31, 2009 | Aprilaire 700 Humidifier

1 Answer

Squeeky humidifier when turn on . Squeaks at random times. Sometimes we have to completely turn it off because it is so bothersome.

Hard water particles will build up in the fan bearings and cause the squeaking. Unplug the thing, and locate the fan motor(s). Place a few drops of 3-in-1 oil on the bearings where end of the shaft is mounted on the motor. This will lubricate motor, making not only run quieter, but faster, cooler, and more efficient.

Nov 02, 2009 | Humidifiers

1 Answer

Motor replacement

probably a fractional horsepower open frame motor - go to grainger dot com and see if you can find a replacement

Jan 20, 2008 | Bemis 4D7-800 Humidifier

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