The appearance of a foreign aroma in the refrigerator is always a signal that debris has accumulated in the system or the storage conditions of food have been violated. In models with technology No Frost the situation is complicated by the fact that air circulates throughout the entire volume of the chamber, instantly spreading any odors. Often, equipment owners believe that it is enough to simply wash the shelves, but they ignore the hidden elements of the design, where the source of the problem lies.
Before taking radical measures, it is necessary to understand the nature of the occurrence of “odors.” This could be the result of spilled milk that has flowed into the drain, or a malfunction of the heater, which causes the water to rot in the evaporator. Ventilation system in such refrigerators it works constantly, so even a small area of rot quickly becomes noticeable. In this material we will look at how to deep clean and restore freshness to your refrigerator.
It is important to act consistently so as not to damage plastic elements and electronic components. Improper cleaning can lead to the smell becoming more corrosive by being absorbed into the seals. The main cause of the smell in 80% of cases is a clogged drainage hole hidden behind the back panel. Ignoring this fact makes superficial cleaning a waste of time.
Primary diagnostics and preparation for cleaning
The first step is always to completely defrosting (defrost) the device. Even if your refrigerator operates according to the No Frost system and does not formally require defrosting, this is necessary to eliminate the smell. Ice build-ups on the evaporator could absorb the odors of spoiled food, and until they melt, the source of contamination will remain inside the housing.
You will need to disconnect the device from the power supply and leave the doors open for at least 12 hours. At this time, you cannot turn on the refrigerator, since the compressor must cool down and the moisture must completely evaporate. Isolation The compressor and other components from water during the washing process are also required to avoid a short circuit when restarted.
While the unit is defrosting, carry out visual inspection of the interior space. Pay attention to the condition of the rubber seals on the doors: it is in their folds that mold often accumulates. If the rubber has turned black or become sticky, simply washing may not be enough and the part will need to be replaced.
Prepare the necessary tools in advance so as not to look for them in the middle of the process. You will need:
- 🧼 Dishwashing liquid or a weak soda solution.
- 🧽 Soft sponges and microfiber (abrasives are prohibited).
- 🔦 Flashlight for inspecting hard-to-reach places.
- 🧴 Spray bottle with disinfectant solution.
☑️ Preparation for deep cleaning
Disassembling the interior and washing
After the refrigerator has completely defrosted, it is necessary to remove all removable elements. Shelves, drawers, egg trays and containers on the doors should be washed separately, preferably in warm water using laundry soap or dishwashing detergent. Plastic and glass perfectly absorb odors, so soaking for 30-40 minutes will only benefit them.
The inner walls of the chamber should be wiped with a damp cloth, removing visible dirt. Do not use aggressive chemistry chlorine or acetone, as they can damage the coating of the chambers and leave their own pungent odor, which will then be difficult to get rid of. It is best to use natural products or specialized sprays for household appliances.
⚠️ Attention: It is strictly forbidden to pour water inside the refrigerator body, especially in the area where air ducts and electrical connections are located. Moisture can leak behind the casing and cause corrosion or a short circuit.
Pay special attention to the attachment points of the shelves and guides. Often this is where food debris accumulates, which, when air circulates, begins to emit an unpleasant odor. Use cotton swabs to clean narrow crevices and joints.
Cleaning the ventilation and drainage system
This is the most important step that is often missed. In refrigerators No Frost, air is taken from the chamber, passes through the evaporator and returns back. If there is mold or rot in the fan grill or ductwork, the smell will continue to emanate. You can get to the fan by removing the back plastic panel inside the refrigerator or freezer.
Once the panel is removed, you will see the evaporator and fan. Carefully, using a soft brush or vacuum cleaner at minimum power, remove dust and fluff from the fan blades and radiator. Condensationaccumulating in the tray under the evaporator can also be a source of odor if the water stagnates and blooms there.
It is critical to clean the drainage hole. It is usually located at the bottom of the rear wall of the refrigerator compartment. To do this, you can use a special brush or soft wire wrapped in cotton wool. You can carefully pour warm water and soda into the hole to rinse the tube.
| Element | What to clean | Cleaning frequency |
|---|---|---|
| Shelves and drawers | Warm water + soap | Once a month |
| Seals | Soda or vinegar | Once every 2 weeks |
| Fan | Dry brush | Once every 6 months |
| Drainage | Brush + warm water | When an odor appears |
If you find that the water collection tray (located above compressor at the back of the refrigerator) is full or there is rotten water in it, it must be removed and washed thoroughly. You can get to it by moving the refrigerator away from the wall and removing the back metal cover.
Elimination of odors using folk and chemical means
After mechanical cleaning, the stage of neutralization of residual odors begins. Chemical odor absorbers work on the principle of adsorption, absorbing molecules of odorous substances from the air. However, folk remedies often cope with this task no worse and are cheaper. odor filters work on the principle of adsorption, absorbing molecules of odorous substances from the air. However, folk remedies often cope with this task no worse and are cheaper.
Activated carbon remains the most effective and safe remedy. The tablets need to be crushed, poured into containers and placed on shelves. Open boxes of baking soda or saucers of vinegar also work great. Air circulation in No Frost models will help move air through these filters faster.
If the smell is very persistent, you can use special neutralizer sprays that are sold in hardware stores. They do not mask the aroma, but break down the odor molecules. It is important to apply them to empty surfaces and allow them to dry completely before loading food.
- 🍞 Brown bread: cut into slices and place in chambers for a day.
- 🍚 Rice: raw rice in an open container perfectly absorbs moisture and odors.
- 🍋 Citrus fruits: peels of oranges or lemons will give a pleasant aroma, but will not remove rot.
- ☕ Coffee: ground coffee in cups works as a powerful sorbent.
⚠️ Attention: Do not use flavors with strong fragrances (for example, vanilla or mint) if the source of the odor has not been eliminated. The mixture of rot and vanilla aroma will become even more unbearable.
Is it possible to use an ozonizer?
The use of household ozonizers is effective, but requires caution. Ozone kills bacteria and oxidizes odors. However, high concentrations of ozone can damage rubber seals, making them brittle. Use the short treatment mode (10-15 minutes) and ventilate the chamber after the procedure.
Checking the technical condition of the unit
If all cleaning measures have been carried out, but the smell returns after a few days, the problem may be technical. In refrigerators No Frost the melt water drainage system often fails. If the drainage tube is frozen or the defrosting heating element is broken, water accumulates inside the housing and begins to go out.
You can check this by looking into the freezer. If a “coat” of ice is visible on the back wall, and there is water underneath, this is a sign of a malfunction. The evaporator in this case does not thaw correctly, and the moisture does not go into the drain, but into the refrigerator or under it.
It is also worth checking the condition of the lighting lamp. Sometimes a burning smell comes from the lamp socket if moisture has gotten into it or it has started to melt. Replace the lamp with a new one, making sure that it meets the manufacturer's requirements for power and type of base.
If you suspect a technical malfunction (the heating element does not heat, the fan does not spin, freon is leaking), independent repairs can be dangerous. It is better to contact a service center for diagnostics.
Rules for storing products for prevention
To prevent the problem from returning, it is important to follow the operating rules. Products, especially those with a strong odor (fish, cheese, smoked meats), should be stored in airtight containers or cling film. The system No Frost actively mixes the air, so an open piece of sausage quickly “flavors” the entire volume.
Check inventory regularly. A spoiled vegetable that has rolled into the far corner of a drawer can cause problems for weeks. Monitor expiration dates and the integrity of the packaging.
Once a month, wipe the shelves with a damp cloth, even if there is no visible dirt. This will help remove microscopic food particles that serve as a breeding ground for bacteria. Cleanliness is the key to the absence of odor and long service life of your refrigerator.
How often should you wash a No Frost refrigerator?
It is recommended to carry out general cleaning with defrosting once every 6-12 months. However, preventive cleaning of shelves and checking products should be done every 2-3 weeks.
Is it possible to wash a refrigerator with water under pressure?
No, absolutely not. Water should not get into the ventilation openings, electrical contacts or inside the housing. Use only a well-wrung out cloth.
Why does a new refrigerator smell like plastic?
The smell of new plastic is normal for the first weeks of use. It will disappear on its own. You can speed up the process by wiping the chambers with a solution of citric acid and leaving the doors open for a day.