Defrost drain tube is at the base of a funnel-shaped moulding in the back of the internal cabinet, designed to gather and channel the defrost moisture into a tray where the heat from the motor will evaporate it. Sometimes the moulding is quite high in the cabinet and placed sometimes quite low.
A flexible curtain wire is what I find is very suitable for rodding out the drain.
Either the drain is stopped up by some debris blocking it or the defrost drain heater has gone bad. Both will require taking the freezer compartment a part to check. If that is not the problem you will find the entire evaporator coil frozen up when you dismantle the freezer compartment wall. That means the defrost element is not working. Again it can be a bad defrost element or more likely a bad defrost timer, which is located outside of the refrigerator/ freezer usually at the bottom back on the unit.
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This is a tricky unit to take apart with a lot of screws to get misplaced/put back wrong unless you are very mechanical and have a large workspace to dismantle the unit in an orderly manner! My best advice is to manually defrost it by unplugging and opening the doors for at least 24 hours.
The heater is not bad since you have water on the freezer floor it is going through its defrost cycle.
I never recommend using a wire of any kind because the drain tube is plastic and can be punctured/cracked/weakened very easy by using something to "snake" the drain out! A small bottle with a tube filled with hot water is all you should ever need!
The door would have to be removed along with your racks/bins to access the evap cover. The door on this model can be tricky to re align for proper closure and could cause more issues down the road if you are not familiar with how to do it!
SOURCE: LG REFRIGERATOR - FREEZER ON BOTTON
You have not only to unplagge the unit, but also to pull out all of frozen, or cold food and other things like baskets etc. and to keep open all dors. All of unit, including inside parts, has to "warm" to home temperature and after that to stay as minimum 24 hours. If you leave frozen food iside unit and closed doors you have to wait a week or more. DON'T USE STEAMER! YOU WILL DAMAGE PLASTICS. DON'T APPROACH FROM BACK SIDE!
SOURCE: Kenmore Refrigerator Mod 70162990
It is under the evaporator you will have to remove the back cover... let me know if you want to do it and I will step you thru it...
SOURCE: ice forming on freezer
The drain is plugged. This fridge will defrost every 8 hrs or so. When it does , it will melt the frost that has built up on the evaporator. This melted frost will run down a drain under the evaporator to a drain in the bottom directly under the evaporator. When the drain gets plugged the water cannot drain out of the freezer compartment. After several defrost cycles the melted frost will overflow onto the freezer floor. When the fridge starts back up it will freez this water is the bottom of the fridge. sometimes this water that is now ice will melt on the next defrost cycle and actually run out into the floor. You will have to unplug the fridge or turn it off, then remove the cover to the evaporator. Get a hair dryer and melt the ice aruond the evaporator and drain. Once the ice is removed, check the drain and try to clear it. Once clear, replace everything but the shelves. Plug the fridge back in or turn it back on. Observe and listen for the evaporator fan. It should be running now. When working on the ice on the evaporator always be carefull. The defrost heater can be damaged if up push or pull on it too much.
SOURCE: Whirlpool GD25DF auto defrost drain problem
There is a drain hole in the back of the freezer on the bottom. Get back there with some hot water. Most of the time it is just lime build up. Unless you know what feel back there. Another way is to move the freezer out and from the back side you can see the drain line. It just pulls right off
SOURCE: Defrost Drain clogged
Take a spray bottle with VERY hot water and spray it down the drain line
Testimonial: "Good advice. Wife called repairman before I could apply. Repairman did same thing, but with pressureized."
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