Why ismy dehumidifier leaking water from underneath unit what to do?

You need a full strip down, clean and look for holes or failed sealant.

overflow==== damaged tank - tray- hose

units that leak some times are a total loss but not allways , sometimes its just not being used on level surface (water seeks level allways) , there are lots of ports inside that need to be kept clean for all the units water to drain out , look inside with a flashlight to see if any buildup is obvious that might be cleaned off ? if not a last effort is to remove cover to see 1st hand what cause is(remove power plug 1st) , rust /mold/dust are all common things to find inside that affect units operation

If the unit is leaking under the bucket and you haven't been able to find a crack or hole in the bucket. The bucket may not be properly inserted in to the dehumidifier. Remove the bucket, empty it and reinsert it into the unit making sure that it fits in squarely (Top to Bottom).

If the above doesn't correct the problem, the drain tube to the bucket may be partially clogged. To check this, you will need an 18" long, plastic Zip Tie or something similar. But NO wire coat hangers. Turn the Master ON/OFF Switch to OFF and unplug the unit. Remove the bucket and you will see a drain hole or tube at the top of bucket cavity. Carefully insert the Zip Tie and continue to push it in unitl you reach the bend in the tubing. You will need to gingerly work it past this bend, until it either bottoms out or you run out of usable Zip Tie. Now, slowly remove the Zip Tie while rotating (twisting) it. As you reach the end of the Zip Tie be prepared for some water to follow.

Hope this helps you troubleshoot and solve the problem. Please let me know. Thanks.

Hi,
There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

Dehumidifier is running but no water is in bucket

heatman101

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Turn the unit OFF and unplug it. Disconnect the hose from the outlet on the unit. Using a plastic 18" Zip Tie, that will fit easily into the drain outlet, carefully insert the Zip Tie and insert it as far as you can. You will reach a bend in the tubing, so gingerly work it past that bend. Once the Zip Tie has reached as far as it will allow, start pulling it slowly back out, while rotating it. This will dislodge any clogs, so be ready for water to follow. It also would be wise, to clean out the tube or hole that drains into the bucket, as it may also have a clog in it.

Hope this helps you to solve the problem, Joanne.

Dehumidifiers have a container that holds the water the the unit extracts from the air. If that container is full or not placed correctly, the water will leak out of the unit.

presence of oil indicates a leak in the pipework somewhere. not worth repair

Mine leaks. Had leaked at other times but i took the vacuum cleaner to the front drain spout, that leaks into the removable basin. That worked in the past, but i't's not working now . The water is overflowing at the back of the catch tray and leaking out through the bottom underneath. The holes are clear, so it shouldn't be doing this. I am stumped.

My dehumidifier leaked after about one year of perfect operation. I unscrewed the face plate exposing the cooling grill and found out that debris was blocking the drainage hole that fed into the water bucket. The debris came from zip ties used to bunch some wires together. Apparently they got brittle (from the constant cooling and warming?), fell apart and managed to make it's way to the drainage hole. Cleared it out and worked fine again.