Owners of compact equipment are often faced with the need to urgently clean the unit from ice crust, but do not know the exact algorithm of actions for their models. Small refrigerator DEXP, despite its size, it requires the same careful attention to the defrosting procedure as full-size two-chamber devices. Incorrect actions can lead to damage to the evaporator or a violation of the tightness of the system, which will cause expensive repairs.
Modern models can be equipped with a system No Frostthat theoretically does not require manual intervention, but even in them condensation sometimes accumulates or sensors malfunction defrost. If you notice that the door does not close well due to ice, or a characteristic smell of dampness has appeared inside, then it’s time to carry out preventive maintenance. In this article, we will analyze in detail how to safely and effectively carry out defrosting specifically for small-sized devices of the brand. DEXP.
It is worth understanding that the volume of the chamber directly affects the procedure time: the smaller the space, the faster the temperature exchange occurs, but also the faster the ice builds up in case of malfunctions. Manual defrosting remains the only correct solution for drip-type systems and static cooling. Ignoring regular maintenance reduces the energy efficiency of the device and increases the load on the compressor, which is critical for compact models with a small safety margin.
Determining the type of DEXP cooling system
Before starting any manipulations, you need to find out exactly what type of cooling is used in your device, since the frequency depends on this and method of carrying out the procedure. Most compact models DEXP, especially single-chamber or minibars, operate on a static system or use the drip principle (Direct Cool). In such units, moisture settles on the back wall, freezes and periodically thaws, flowing into a special groove, but with high humidity or frequent opening of the door, ice can accumulate excessively.
If you have a more modern model with the mark No Frost, then the formation of a massive coat of ice inside the chamber is a sign of a malfunction, and not a normal mode work. In a working device of this type, a fan evenly distributes cold air, and moisture is removed outside the chamber, where it evaporates. An attempt to “defrost” a working one No Frost for no reason is not necessary, but if there is ice, this is a signal of a problem with the defrost sensor, heating element or drain hole.
To accurately determine the type of system, refer to the technical data sheet or find a sticker with characteristics on the back wall of the case. Static system requires regular manual defrosting approximately once every 4-6 months, whereas No Frost ideally does not require this at all. An erroneous determination of the type may lead you to look for non-existent drainage or, conversely, to ignore the growing ice crust.
⚠️ Attention: If ice is frozen in the refrigerator No Frost never try to simply scrape it off with a knife. This can damage the thin evaporator tubes hidden behind the plastic panel, which will lead to freon leakage.
Preparation for the defrosting process
High-quality preparation takes longer than the thawing process itself, and is a guarantee of the safety of your products and the kitchen interior. The first step should be to completely empty the refrigerator compartment of its contents: it is better to transfer the food into bowls with ice, thermal bags, or to neighbors if the procedure takes longer. At the same time, it is necessary to remove all removable elements: shelves, drawers, containers for vegetables and bottles, since it is more convenient to wash them separately under running water.
The next critical step is to disconnect the device from the power supply. Unplug the cord from the socket, making sure that you do not damage the cable, and under no circumstances pull on the cord itself. Safety above all: wet hands and a switched-on appliance are a dangerous combination. After turning off, immediately open the door wide to ensure the flow of warm air and accelerate the natural process of melting ice.
Prepare a place for collecting water in advance, since in small refrigerators DEXP the volume of evaporated moisture can be significant relative to the dimensions of the chamber. Place absorbent rags, old towels or a special absorbent diaper on the floor in front of the device. If the design provides a drainage channel, place a shallow basin under it, but most often in mini-models the water has to be wiped off manually.
☑️ Preparation checklist
Natural defrosting: step-by-step algorithm
The safest and The manufacturer's recommended method is to wait for the ice to melt naturally at room temperature. This process can take from 3 to 8 hours depending on the thickness of the ice crust and the room temperature. At this time, it is strictly forbidden to plug in the device, even if it seems that there is not enough ice, since the compressor must remain at rest until the moisture completely disappears.
As the ice melts, water will flow to the bottom of the chamber. Models DEXP with a drip system often have a hole for drainage, but it can be clogged with debris or frozen water. Gently blot the water with a soft sponge or rag, squeezing it into a bucket. Do not use sharp objects to remove pieces of ice that have fallen from the ceiling of the chamber, so as not to break through the bottom or walls.
After all the ice has melted, you must thoroughly rinse the inner surface. Use a mild solution of baking soda or a special refrigerator cleaner to remove any remaining odor and bacteria. Pay special attention to the door seal: mold often accumulates in the folds of rubber, which must be carefully cleaned out with a cotton swab.
How long does defrosting take?
The time to completely defrost a small DEXP refrigerator depends on the temperature in the room and the thickness of the ice. This usually takes from 4 to 6 hours. It is not recommended to speed up the process with a hairdryer or boiling water, since a sharp temperature change can cause microcracks in the plastic or damage the soldering of the evaporator tubes.
What you absolutely cannot do
There are a number of popular methods of “acceleration” that can irreversibly damage the equipment. The most common myth is using a knife, chisel or screwdriver to chip ice. Aluminum evaporator, which is often located directly under the plastic of the inner wall, is only a fraction of a millimeter thick. One careless move and the freon will come out, and repairs will cost more than a new refrigerator.
The second dangerous method is the use of open flame sources or powerful heating devices in close proximity to the plastic. The plastic of the case DEXP can be deformed from the heat, and sudden heating will cause the ice block to simply fall off in a piece, damaging the glass shelves or plastic guides at the bottom.
It is also not recommended to pour boiling water directly onto the ice formations. A sudden thermal shock can cause cracks in the plastic body of the camera or damage the seals. In addition, large amounts of hot water can overload the drainage system, causing water to flow onto the floor or, worse, into the cabinet insulation, causing corrosion and odor.
⚠️ Attention: Never use a hair dryer to dry internal components or accelerate melting by directing hot air at plastic parts or seals. This can lead to their melting and loss of tightness.
Care for the drainage system and seals
After complete removal of ice and water, it is time to deep clean the drainage hole. It is its clogging that most often causes water to stand at the bottom of the chamber or flow down under the refrigerator. In small models DEXP This hole is often located at the bottom rear of the camera. You can clean it using a special flexible brush or soft wire wrapped in cotton wool.
The rubber seal around the perimeter of the door requires special attention. Over time, it loses elasticity, cracks and no longer fits tightly, allowing warm, moist air to pass through, which turns into ice. Wash the seal with warm soapy water and check its fit: hold a sheet of paper between the door and the body; if it pulls out too easily without resistance, the hinges may need to be adjusted or the seal replaced.
To extend the life of the rubber, it is recommended to lubricate it with silicone grease or glycerin every six months. This will prevent the material from drying out and cracking, especially in winter, when the air in apartments is dry due to heating. Tightness chambers are a key factor in the absence of excess ice.
Starting and checking operation after defrosting
After you have washed the chamber, wiped it dry and returned all the shelves to their places, do not rush to immediately load the products. Plug in the empty refrigerator and leave it idle for at least 2-4 hours. This is necessary for the unit to reach operating temperature and stabilize its operating cycles before loading.
During this time, listen to the operation of the compressor: it should not hum too loudly, knock or make gurgling sounds. Make sure that the rear wall (in static models) is evenly covered with “frost” or condensation, which indicates the correct operation of the cooling system. If you notice that the cold is not gaining or the compressor is running without stopping, there may be a freon leak during the defrosting process.
Only after the refrigerator has returned to normal mode (check with a thermometer, it should be about +4...+5°C in the main chamber) can you load food. Try not to place warm dishes or open the door often during the first hours of operation, so as not to create unnecessary load on the system.
| Parameter | Normal value | Alarm signal |
|---|---|---|
| Temperature rise time | 2-4 hours | More than 6-8 hours of operation without cold |
| Compressor sound | Uniform humming | Knocking, clicking, gurgling |
| Condition of the back wall | Uniform frost/drops | Ice in only one corner or none |
| Door seal | Tight fit | Gaps, cracks, non-stickiness |
Frequently asked questions (FAQ)
How long should you keep the DEXP refrigerator turned off after defrosting?
The minimum idle time in the off state after the ice has completely melted and washed is 2 hours. However, to completely stabilize the pressure in the system and dry hard-to-reach places, it is recommended to wait 3-4 hours before turning it on.
Is it possible to defrost a small DEXP refrigerator in winter on the balcony?
It is strictly not recommended to take the refrigerator out into the cold for defrosting or storage. Low temperatures can damage the oil in the compressor and make the plastic brittle. Defrost the device only at room temperature.
Why does the DEXP refrigerator not turn on for a long time after defrosting?
Modern models have protection against restarting. If you just turned off and then turned on the device, it may not start for 10-20 minutes. This is normal operation of the compressor protection relay.
Do you need to lubricate the rubbing parts with oil?
In domestic refrigerators DEXP there are no components that require regular lubrication by the user. You only need to lubricate the rubber door seal with a special product or glycerin to maintain elasticity.
What to do if an unpleasant odor appears after defrosting?
If the smell does not go away after washing with soda, use activated carbon (crush 10 tablets and leave in an open container for a day) or special odor absorbers. Also check whether water has entered the thermal insulation layer through the drainage.