The appearance of a puddle under the refrigerator or the accumulation of water on the bottom shelf of the refrigerator compartment is a signal that cannot be ignored. Most often, the problem lies in a banal blockage drainage system, which stops draining condensate. The moisture formed on the back wall during defrost cycles does not go into a special tray, but flows out, creating a threat to the floor covering and provoking the growth of bacteria.
Timely cleaning of the channel avoids costly repairs and extends the service life compressorwhich has to work with increased load in high humidity conditions. In this article, we will look in detail at how to clean the water drain in the refrigerator, what tools will be needed and how not to damage the internal elements of the cooling system during maintenance.
Before taking active steps, it is necessary to carry out an initial diagnosis. Make sure that the refrigerator is level and the door closes tightly, since the skew of the case can disrupt the flow of liquid even in a clean channel.
The design of the drainage system and the causes of blockages
The drainage system of refrigerators with the function No Frost or drip defrosting is a relatively simple design. Water flowing down the back wall enters the gutter, from where it goes through a narrow hole into the tube. This tube passes through the heat zone compressor or evaporator, where the moisture evaporates or flows into a plastic container located above the motor.
The main cause of blockage is a mixture of dust, microscopic food particles and mold. Over time, this substance hardens, turning into a dense plug that completely blocks the outflow. Also, a problem may be a manufacturing defect or the tube being displaced during transportation, which creates a bend that prevents the flow of liquid.
It is important to understand that in some models the tube may be hidden behind a decorative panel, which complicates access. If you don't see an obvious hole in the back of the chamber, it may be covered with a plastic plug or in a hard-to-reach place.
- 🧊 Ice plug: In refrigerators with manual defrost, the water in the channel may freeze if the thermostat is faulty or the door has been open for a long time.
- 🍖 Food debris: Crumbs, lettuce or pieces of food that fall into the gutter serve as the basis for the formation of a dense blockage.
- 🦠 Biological plaque: Mold and mucus formed in a humid environment narrow the lumen of the tube and slow down drainage.
⚠️ Attention: Before starting any work, be sure to disconnect the refrigerator from the power supply! Working with water and electrical appliances without turning off the power is strictly prohibited by safety rules.
Necessary tools and preparation
To effectively clean the drain, you do not need a complex professional tool. In most cases, improvised means that can be found in every home are sufficient. The main thing is to act carefully so as not to pierce the thin walls of the drainage channel.
The main tool will be a long but flexible wire or a special brush-brush. The diameter of the tool should be small to fit freely into the hole, but sufficient to push through debris. An excellent option is a cable for cleaning car carburetors or just a stiff fishing line with a thickening at the end.
You will also need a bulb for douching or a large medical syringe without a needle. With their help, you can flush the channel with water under pressure. To collect dirty water, prepare rags, sponges and a container with wide sides.
If the clog is severe, hot water may be required. However, be careful: the water temperature should not exceed 50-60 degrees, so as not to deform plastic elements the internal chamber or drainage tube. Boiling water cannot be used!
Step-by-step instructions: how to clean the drain
The cleaning process can be divided into several stages. First you need to gain access to the drain hole, which is usually located at the bottom of the back wall of the refrigerator compartment. In some models Indesit or Atlant it may be hidden behind a plastic cover that needs to be carefully removed.
First, try to visually assess the degree of contamination. If debris is visible in the hole, remove it with tweezers or your fingers. Then take the prepared cable or wire and carefully insert it into the channel. The movements should be progressive, with slight rotation to break the plug.
Cleaning technique: Insert the cable to a depth of 10-15 cm, make 2-3 rotational movements, then remove and clean the end of the cable from dirt. Repeat until the obstacle is completely removed.After mechanical cleaning, it is necessary to flush the system. Fill a bulb or syringe with warm water and sharply inject it into the hole. If the water flows freely and does not pour back onto the shelf, then the system is working correctly. The water should flow into the tray above the compressor, located in the lower rear part of the refrigerator.