After crunching the numbers from our survey, we were able to identify the most common dehumidifier issues. A complete failure was the most commonly recorded issue. A broken auto function or humidistat, uncomfortable noise levels and leaky water tanks were among the other problems raised. These will determine the appropriate level of relative humidity for you, and work to achieve that.
Some dehumidifiers are just noisier than others from the outset, as we highlight in our reviews. If your dehumidifier has become noisier than usual, there are a couple of potential causes. Loose screws might also increase the noise levels. On the other hand, if the filter is clean, remove the cover and check the area around the fan. Be sure to inspect all coils to ensure they are not being restricted with dirt or lint. If you find that they are, go ahead and clean them.
Check the fan to see if the motor spins freely, and that the blower wheel or fan blade is still firmly attached to the motor shaft. This will make it easier for you to observe the fan motor in action.
It will need to be replaced. It may still be defective even if there is no sound being made and the motor is not rotating. I never unplugged it and it worked great. I would turn of and on to whatever I had it set at. Yesterday I could not turn it off even if I put the dial on off. The only way I can turn it off is to unplug it. I left it for a day and then plugged it in again this morning and it turns on even if I have the dial at off.
You can do this with a volt-ohm meter. Clip the leads to the terminals on the switch. Depress the bar or trip lever on the switch. You can test a dehumidifier humidistat fairly easily using a volt-ohm meter. Also using a volt-ohm meter, you can tell if the overflow switch works or not. If your dehumidifier seems incompetent, it may be undersized for the space. After disconnecting the power cord, you can also:. Many dehumidifiers have a float switch that prevents the unit from spilling over with the water that has been drawn out of the air.
Sometimes this switch goes bad and must be replaced. If your dehumidifier is overflowing, you can test the overflow prevention switch with a volt-ohm meter. Is your dehumidifier freezing up? A dehumidifier will often frost up if room temperatures are colder than about 65 degrees Fahrenheit.
If the room temperature is lower than 40 degrees F. A clear indicator of this is an evaporator coil that is frosted up completely and evenly see Step 5 for information on opening the unit. If you suspect that your room temperature may be too cold, try setting the dehumidifier on a table so that it circulates slightly warmer air. You can also try aiming a small blower or heater at the unit—if this solves the problem, consider raising the room temperature slightly.
They have well over parts listed online across 60 models with affordable options compared to other brands. From drainage pipes and float switches to control boards, they have a variety of parts available.
Frigidaire has parts for around a half-dozen systems, including water buckets, filters, and drain adapters. Aprilaire is another popular option, although they do not have a wealth of OEM replacement parts available compared to similar brands at this time. Local Pro: Content Navigation What type of dehumidifier do you have?
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