The Stinol brand is popular among connoisseurs of high quality and reasonable cost. The reliability, high-quality assembly, functionality and durability of these devices are beyond doubt among consumers. But technology remains technology and, despite careful use, sometimes it breaks down.
Repairing Stinol refrigerators is not a problem, since service centers are available almost everywhere. You can also repair the equipment yourself. The article we presented describes in detail the causes of typical breakdowns and methods for restoring the performance of refrigeration machines.
The principle of operation of the refrigerator
The operating principle of almost all such equipment is the same. The place of cold concentration is located inside the device. And the generated thermal energy is removed outside. To solve work problems, so-called freons are used, this is a popular type of refrigerant. Troubleshooting requires a minimum level of training in this regard.
Freon includes several main components in the form of chlorine with ethane, fluorine. The main difference between the material is the change from the liquid state to the gaseous state, when pressure fluctuations inside the walls begin.
The cooling procedure itself can be described as follows:
- The operation of compressors helps draw the refrigerant inside. The design of the refrigerator is almost always the same.
- Next, the composition moves through the tubes with the participation of a piston.
- The refrigerant condenses during heat transfer.
- The freon form becomes liquid.
- Moisture turns into gas after being absorbed by the sorbent.
- Transfer of refrigerant into the capillary tube.
- The temperature of the gas and the pressure inside drop almost simultaneously.
- The properties of freon change as it passes through the evaporator.
- In the gas state, the refrigerant passes to the compressor of the Stinol no Frost refrigerator.
Models are being sold that have not one compressor, but two devices at once. Although this technique is considered more effective, maintenance does involve some problems. Possible malfunctions will be given below.
Compressor electrical system design
The motor is the main element inside the refrigerator. Without it, freon or refrigerant simply will not move through the pipes.
But this unit is not the only one; it is complemented by other parts:
- Protective relay that prevents engine overheating.
- A thermostat that sets the temperature at a certain level.
- Start relay which should work fine after troubleshooting.
The engine has a rotor and a starter. Essentially, the latter is copper coils in some quantity, assembled together. The rotor is a conventional steel shaft, working in conjunction with a piston system. Possible malfunctions of this part of the equipment also have their own.
Electromagnetic induction is generated inside the coils when the motors are turned on. Due to this source, torque is generated. Centrifugal force contributes to the rotation of the rotor itself, and at the same time the piston moves.
The modern Stinol refrigerator is distinguished by the location of the engines inside the compressor. Then the probability of spontaneous leakage remains a minimal problem. The initial design of the system leads to frequent vibrations. A special suspension on metal springs is created just to prevent such situations.
New models differ in that the springs are fixed inside the housing. In old ones, this component is located inside. The first option was always considered more practical, since it allowed vibration to be dampened from the inside. But then repairs are more difficult to organize if the suspension breaks. The two-chamber type of technology is no exception.
The motor runs until a certain temperature level is established inside the chambers. After this, the thermostat is connected to operation. The motor stops receiving current with the contacts open. The compressor stops working. When the temperature rises, the contacts close again. The work cycle continues.
Important! Most often, problems occur in models that belong to the middle and lower price categories. It is more practical not to repair the device, but to buy a new one; replacement is much cheaper.
Why does the refrigerator stop cooling, but the freezer is running and humming?
Try to treat the seal area with a soap solution. Under no circumstances use acidic or alkaline components for cleaning, as the rubber may lose its properties, and then in any case you will have to remove it and replace it with a new one. Do not use abrasive substances for cleaning. A regular soap solution will do. If this does not help, or the space behind the sealing rubber band is clean enough, without visible crumbs or damage, while the rubber band fits tightly, the door closes perfectly, you can unfold the refrigerator and assess the condition of the back wall.
Why does the refrigerator stop cooling, but the freezer is running and humming:
- It is in the area of the back wall that there are often invisible damages that appeared after transporting the device. One of the tubes may be damaged or a minor dent may appear.
- If you notice that after delivery of a new device there are some indentations or dents on the back wall, and the tubes are uneven, do not sign a document indicating the proper condition of the device and send it back.
- Even if the device is working, over time, specks and dust particles may accumulate in the deformed area, which will lead to clogging of the cooling system. Most likely, this is where the tube will become clogged and the refrigerator will not perform its functions.
Refrigeration unit diagnostics
A thorough inspection of the unit helps to identify problem components:
- Be sure to check the main details. Have they developed corrosion or other deformations? Are protective coatings damaged? Other mechanical damage is also highly likely to occur when the Stinol refrigerator does not freeze.
- The tightness and fastening strength of the structural parts also deserve a separate analysis, especially if the Stinol refrigerator does not freeze.
- Of all the properties, there are three main ones - power consumption, temperature in the freezer and near the back wall of the cabinet. You need to understand whether the start relay of the Stinol refrigerator needs to be replaced.
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What to do if the motor of a single-compressor Stinol stops turning off?
In the event that the Stinol refrigeration equipment, equipped with one compressor, has a problem, as a result of which the motor simply stops turning off, the freezer compartment continues to function correctly, and “summer has reigned” in the refrigerator compartment or there is a thick snow cover on the back panel, like this shown in the photo, the most likely reason for this is an insufficient amount of freon. As a rule, freon does not evaporate on its own, which means there is a leak in the system that needs to be fixed.
In this situation, you need to contact a specialized workshop or service center. Thanks to modern technologies, leaks can be found and fixed quickly. For a good craftsman, this repair usually takes no more than an hour. When the tightness is restored, refrigerant is added to the system and the refrigerator continues to function normally.
What should I do if there is water under the vegetable drawers in the refrigerator compartment?
If at some point you notice that water has begun to accumulate in the refrigerator compartment of the Stinol, under the fruit and vegetable drawers, this clearly indicates that the drainage system is clogged and needs to be cleaned. In other words, excess moisture simply cannot seep through the jam.
To fix this problem, you can invite service center specialists, or clean the drainage system yourself. The only condition in this case is maximum accuracy. Otherwise, the thin tube can be damaged and then it will definitely not be possible to do without additional costs.
To avoid unpleasant consequences, experts recommend watching a special video, with the help of which, most likely, you will get answers to most of the questions that may arise.
Frequent problems with the Stinol refrigerator
Reliability is a distinctive feature of all refrigerators from this manufacturer included in the model range. But even in this case, no one provides complete protection against breakdowns during daily use. Dealing with a problem becomes easier if you know the causes and effects from the very beginning. There is a separate instruction manual for the Stinol refrigerator compressor.
Cabinet breakdowns
A thin layer of frost will appear on the static evaporator if the cabinet has been inoperative for some time. Because of this, liquid accumulates in large quantities inside the container.
Because of this, the tightness of the No Frost system is compromised, which is caused by:
- Gaps that appeared between the rubber seal and the cabinet doors.
- The appearance of deformations.
- Broken seal or loose seal.
A 1-1.5 kW hair dryer for drying and styling hair will completely cope with the problem if the defect is not very serious. It is enough to apply a hot jet to the place where the seal is adjacent to other parts of the structure. Then the material is stretched so that its shape is adjusted. When the manipulation is completed, the door is closed. If there are breaks in the protective layer, the latter is changed so that the freezer continues to work.
Malfunctions of electrical circuit and automation elements
Electrical circuit components and automatic parts also often cause breakdowns. Here is a list of only the most common ones:
- The drainage system became clogged with small particles, after which the Stinol refrigerators stopped working.
- The evaporator tray heater was broken.
- Defects appeared in the freezer and timer.
- Malfunction related to the thermal fuse or defrost heater.
- The insulation resistance in the electrical system has decreased.
- The fan or compressor or other main parts of the system have broken down.
- The start or thermal relay is faulty, causing the freezer to stop working.
Identification of a defective element and repair are the main actions that are associated with solving the problem in this case. If the issue cannot be resolved simply, the part is simply replaced with a new one.
Problems with refrigerant
In the freezer, the temperature level will be less than -18 degrees if the volume of refrigerant when filling the device was too high. The refrigerator compartment will remain too cold.
The return pipe is covered with condensation or a layer of frost. It is better to adjust the dose of freon after a two-hour break-in; this helps to cope with problems, for example, if the upper chamber does not freeze.
The refrigerator will remain warm if the dose of liquid, on the contrary, is underestimated. Temperatures drop more than 25 degrees below zero. In such a situation, frost often appears on the back walls. It is necessary to adjust the dose until the readings become normal so that the Stinol refrigerators start up immediately.
The appearance of oily stains is the result of a refrigerant leak. The problem is eliminated when the unit is filled with refrigerant and the component is replaced with a new analogue. This is necessary when the upper chamber of the refrigerator does not freeze.
Refrigerator Stinol does not freeze well
The line of Stinol refrigerators is long. There are single-chamber, combined models, with manual and electronic control. There are one and two compressor cabinets. But most products consist of a lower freezer and an upper refrigerator. Both one and the other chamber may not freeze. The reasons are different, but this brand is characterized by problems with the thermostat, automation or motor-compressor.
Long-term faultless operation of the Stinol refrigerator depends on many factors. If the old device has stopped freezing, the reasons are as follows:
- There are leaks in the cooling circuit, the gas is escaping, and the remaining mass of refrigerant is not enough to ensure the cooling capacity.
- Obstruction of the capillary tube - it is clogged with sediment from the interaction of oil with freon. The filter drier may also be clogged - the symptoms are the same.
- The equipment controlling the process - sensors, relays, buttons, contacts - has become unusable.
- The compressor has lost performance due to seal failure, ring wear, and piston wear. The gas outlet pressure is insufficient, product condensation is incomplete.
- The rubber seals have worn out, the door hinges have sagged, and the seal of the circuit has been compromised.
Despite the discontinuation of production of Stinol refrigerators, service centers have spare parts for all brands of devices to replace worn parts 1:1.
Signs of problems with the refrigerator and possible malfunctions
One of the common problems is when the power to the refrigerator stops turning on. Here are just a few possible defects:
- The timer in the defrost position is broken.
- The thermostat and start relay stopped working.
- The compressor winding is broken.
- Malfunctions and problems with the plug and power cord of the refrigerator.
It often happens that food is frozen too hard. This happens if the quick freeze button is stuck or the thermal handle has been adjusted incorrectly.
If the freezing is weak, then there are also several possible problems and reasons:
- Lost electrical circuit integrity.
- Compressor performance is low.
- Loose fit of the filler, loss of its elasticity.
- Damage to the thermostat and control element. The electrical circuit of the refrigerator is checked separately.
Interesting. Freezer malfunctions have also become a fairly common problem. It also happens that this part of the installation refuses to work at all. System depressurization and freon leakage are the most common causes. A breakdown in the No Frost system leads to large amounts of heat accumulating inside the refrigerator freezer. In this case, the problem can be resolved only by contacting specialists from service centers. They are definitely familiar with all the malfunctions of the Stinol refrigerator and their elimination.
Problems with the No Frost system
One of the last Stinol refrigerators to roll off the production line in Lipetsk were models with the No Frost automatic defrosting system. During operation, the main malfunctions appeared, which have the following symptoms:
The freezer is humming.
Most likely there were problems with the defrosting system, and frost began to form on the back of the evaporator. The fan, which evenly distributes the air inside the freezer, begins to rub against the snow “coat”, which causes extraneous sounds. Replacing the defrost heating element will solve this problem in most cases.
The refrigerator is noisy inside and you can hear beating.
In this case, the most likely cause is a fan failure. Constant rotation leads to natural wear of the bearing group, the first sign of which is beating and noise. It is recommended to replace the fan before it completely fails, otherwise there will be no uniform distribution of cool air inside the chambers, which may cause electronics to malfunction.
Features of operation
It is worth considering what owners most often encounter in practice.
- Stinol 102.
The installation includes two compressors with the unique NoFrost system. Two thermostats are added to the front trim. The model uses a fan heater, due to which the internal compositions move. Thermal relay malfunctions are the most popular problem among those who have this particular model. The control panel may also break, although the reasons will be different.
Usually, the wires are removed from the contacts to make sure that there is a breakdown and its correct origin. Then the parts are connected to each other using a jumper. If after such manipulation everything starts, it means that the problem was definitely in the relay. Repair of the Stinol 102 refrigerator should be entrusted to professionals.
- Stinol 103, which has its own electrical circuit.
In this case, the temperature regulator often breaks down in order to repair the Stinol 103 refrigerator . All structural parts are designed for a maximum five-year service life. Defects lead to the temperature inside the chamber becoming too high. Oxidation of the contacts occurs, due to which the tightness of the connection of the parts to each other is broken over time. Contacts can burn, break, and lead to other types of breakdowns. It is not difficult to change the starting relay for equipment.
- Stinol 110.
The malfunctions are in many ways similar to the problems characteristic of the 102 model. Old models also fall under the rule - Stinol 101, Stinol 107, Stinol 110 itself.
Examples of model malfunctions
Consideration of individual manufacturer models will help users deal with specific problems.
Stinol 101
A typical problem for this two-chamber model with one compressor is that the device does not turn on. This may indicate a faulty wiring or compressor. Low voltage in the network also has an effect.
This model requires regular defrosting. When ice builds up, the device operates in high power consumption mode.
Stinol 102
The device is two-compressor, with the No Frost system and two thermostats. A special feature of the device is air circulation between the freezer compartment and the evaporator. Thermal relays often fail and freon leaks occur.
Stinol 103
This model is similar to the previous one in design, the presence of two compressors, drip defrosting and an electronic control device. After 5-7 years of operation, thermostats fail. The only method to solve the problem is to replace old elements with new ones.
One of the compressors may fail. In case of repair and replacement of this element, you should subsequently fill the system with freon and check its tightness.
Stinol 104
Special, three-chamber model. In addition to the refrigerator compartment and freezer, there is an additional pull-out shelf in the freezer compartment. The device operates from one compressor, but a separate evaporator is provided for each chamber.
Stinol 104 is characterized by a number of malfunctions:
- clogged filter drier;
- freon leak;
- capillary tube clogged;
- idle operation of the compressor and, as a result, failure of the temperature inside the chambers;
- thermostat malfunction.
Stinol 110
Representative of reliable models of this brand of refrigerators. Two compartments are served by one compressor and two evaporators. Over time, the capillary tube may become clogged, which manifests itself in spontaneous shutdown of the device and an increase in the temperature in the refrigeration chamber. Temperature regulation is provided by an electromechanical timer.
Unit failure also occurs due to a broken thermostat. This is indicated by the blinking of a colored light on the panel, as evidence of increased temperature in one of the compartments.
Refrigerators produced by the Stinol brand have positive characteristics, but they also have disadvantages. In the event of a breakdown, you can repair the unit yourself, if you have instructions, skills and knowledge. More complex procedures associated with disassembling equipment, diagnosing and replacing components are best left to professionals.
About checking the thermostat
The temperature regulator often fails, as can be understood from previous stories.
This is due to the working life of the equipment, which lasts for a maximum of 5-6 years. The refrigerator compressor does not start when this part is broken. Things are different when the upper chamber does not freeze in Stinol models.
There are two ways to determine the working status.
- The regulator contacts must remain closed. Stinol 101 is no exception.
Only in this case is the divisibility of the electrical circuit maintained. If necessary, check whether the power is going somewhere. If something is missing, then the entire system is examined for integrity and the presence of any exceptions. If some parts break, they are replaced. Refrigerator repair helps to cope with difficulties.
- A jumper can be used to close the input contacts on the thermostat of the Stinol 101 refrigerator and other models.
If after this the installation does not turn on, it means that the problem has arisen somewhere else. The problem can also be determined by ear depending on where and how additional sounds appear.
If the unit is more than 10-15 years old, then any malfunctions require calling a specialist. Otherwise, repairing the refrigerator will be dangerous.
Results
Stinol refrigerators are quite durable equipment with a good margin of reliability, however, they are capable of breaking down after several years of operation and not working as intended by the manufacturer. A typical breakdown of such equipment is that one of the chambers, mainly the upper one, stops cooling. The problem can be due to many reasons, but the most common of them is the failure of the thermostat and a refrigerant leak. If you have a spare serviceable part, you can replace the thermostat yourself, but only a refrigeration equipment repair technician is required to solve problems with refrigerant and leaks in the pipeline.
Video: Why the refrigerator compressor does not start. Refrigerator malfunctions. Connecting the compressor relay
Why the refrigerator compressor does not start. Refrigerator malfunctions. Connecting the compressor relay
Watch this video on YouTube
Video: COMMON CAUSES OF REFRIGERATOR BREAKAGE
COMMON CAUSES OF REFRIGERATOR BREAKAGE
Watch this video on YouTube
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More about diagnostics and existing problems
Water often appears and accumulates inside units with a drip system inside the refrigerator compartment. A clogged drainage system is the main cause of problems. The purpose of the structure is to drain water from the chamber. It runs inside the body of the Stinol 101 refrigerator.
If a snow coat appears in the freezer, this is also one of the signs of a malfunction. Drainage begins in the compartment where food is stored. Therefore, it is imperative to have a water seal in this part to avoid problems in the future.
Note. In practice, this part looks like a bend of small dimensions. Contaminants and other similar components are retained inside such a part. The manufacturer often sells additional tools that are used for cleaning.
After such actions, the outflow of water should improve. If the blockage is severe, such actions do not help; it becomes necessary to break through the structure.
The main thing is to take a careful approach. The tubes are made of thin sheet plastic, which is too easy to damage. It is recommended to use fishing lines that have a slightly melted end. You will get an improvised cable, which, after diving inside, will clean the system. Then everything is filled with a cleaning solution, and the insides of the Stinol 101 equipment are washed with water.
Compared to “crying” systems, the “no-frost” options are considered more complex structurally. They differ from existing analogues in that they contain a blowing system to remove excess moisture. The fan, fuser and timer are the weakest points of the systems.
The fan comes from the freezer. The part can be closed or open depending on the model.
Open devices with electronic control are practically not subject to self-repair; you just need to call a specialist. It’s another matter when the device is simpler, with electromechanical elements. It is enough to gain access to the inside. When they get to the fan, they carefully study the design and check the impeller. The knot definitely requires disassembly if everything is tight and cannot be moved. Stinol 110 is repaired in almost the same way.
What to do if the motor of a single-compressor Stinol stops turning off?
In the event that the Stinol refrigeration equipment, equipped with one compressor, has a problem, as a result of which the motor simply stops turning off, the freezer compartment continues to function correctly, and “summer has reigned” in the refrigerator compartment or there is a thick snow cover on the back panel, like this shown in the photo, the most likely reason for this is an insufficient amount of freon. As a rule, freon does not evaporate on its own, which means there is a leak in the system that needs to be fixed.
In this situation, you need to contact a specialized workshop or service center. Thanks to modern technologies, leaks can be found and fixed quickly. For a good craftsman, this repair usually takes no more than an hour. When the tightness is restored, refrigerant is added to the system and the refrigerator continues to function normally.
What should I do if there is water under the vegetable drawers in the refrigerator compartment?
If at some point you notice that water has begun to accumulate in the refrigerator compartment of the Stinol, under the fruit and vegetable drawers, this clearly indicates that the drainage system is clogged and needs to be cleaned. In other words, excess moisture simply cannot seep through the jam.
To fix this problem, you can invite service center specialists, or clean the drainage system yourself. The only condition in this case is maximum accuracy. Otherwise, the thin tube can be damaged and then it will definitely not be possible to do without additional costs.
To avoid unpleasant consequences, experts recommend watching a special video, with the help of which, most likely, you will get answers to most of the questions that may arise.
