Question about LG LD65EL Dehumidifier

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LD65EL Dehumidifier rumbles and has poor air flow

Recently the dehumidifier started a loud rumbling which also has a pulse rhythm to it. Changing the fan speed slows down the rumpling and the pulse rhythm. I took off the back of the unit and the fan spins freely with my finger and the fan moves maybe a centimeter or so back and forth with the shaft. I'm not sure if the fan shaft is jumping off the motor as I can't tell how the fan shaft is normally secured. Is the problem with the motor itself that I need to change the motor or is the fan shaft jumping off the motor? Any help would be great. Thanks

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Sounds like the bearings have failed in the fan motor, & the rotor is rubbing on the stator. You mentioned end play in the shaft, check for cross play. There should be no perceptable cross play, any found indicates a need for a new motor.

Posted on Jul 17, 2007


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I went back and rechecked. If the fan mode is selected, you can only set the fan at one of the three speeds. If you leave it in the fan mode, the dehumidifier will not come on.

Once the fan speed is selected, it will run at that speed in the dehumidifier mode. The fan will keep running, even when the dehumidifier (compressor) shuts down.

The only way to get it to turn off is to use the clock setting, which either selects how long it stands-by before starting , or how long it will run before going back to stand-by. DeLonghi calls it "stand-by," we would call it "off." DeLonghi calls unplugged "off."

I've never turned mine to stand-by, because it will never get my entire house down to 30% humidity (I have it where my air handler returns air to the basement). I live in the greater DC Metro area, where 75% humidity is considered extremely dry.

Apparently the normal mode of operation is fan on unless awaiting a clock start, or encountering a clock shut-down; either condition puts it into the "stand-by" mode.

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