Modern refrigeration units of the Italian brand Ariston are famous for their reliability, but even the highest quality equipment requires attention and fine-tuning over time. Often, owners are faced with situations when the food in the main chamber begins to freeze or, conversely, does not cool enough, and the door no longer fits tightly to the body. In such cases, you should not immediately call a specialist, since in many cases adjusting the refrigerator it is quite possible to do it yourself if you have basic tools and an understanding of the principles of operation of the device.
Before you begin any manipulations, you must clearly define the nature of the malfunction, since the algorithm of your actions depends on this. The problem may lie in a banal misalignment of the thermostat, a violation of the geometry of the seal, or even in the uneven installation of the unit itself on the kitchen floor. Competent diagnosis allows you to avoid unnecessary costs and extend the life of the compressor, which is the heart of the entire cooling system.
In this article we will analyze in detail all aspects of setting up household appliances Ariston, from simple steps to align the body to complex procedures thermostat adjustment. You will learn how to properly use Service Mode in electronic models and what physical parameters need to be checked in mechanical control systems. Carefully studying the instructions will help you return the unit to factory operating parameters.
Primary diagnostics and preparation for operation
You should begin any setup work only after completely disconnecting the device from the electrical network. This is a critical safety rule because adjustment of some components, especially those on the lower chassis, may require access to electrical components. In addition, before starting work, it is recommended to carry out a full defrost chamber if you notice ice, since excess ice can distort the temperature readings of the sensors.
⚠️ Attention: Before starting any work, make sure that you have completely disconnected the device from the network. Working with electrical equipment under voltage is prohibited and can lead to electric shock or failure of the control board.
Visual inspection begins with checking the general condition of the unit and assessing the quality of the installation. Often the cause of incorrect operation is a misalignment of the body, which is invisible to the eye, but affects the operation of the self-closing door mechanisms. Use a building level to make sure that the refrigerator is strictly horizontal, since horizontalness installation is the key to proper circulation of the refrigerant.
Check the integrity of the rubber seal around the perimeter of the door. There should be no cracks, tears or areas with severe deformation. If the seal is dirty, it must be thoroughly washed with warm water and soapy water, as grease and dirt will disrupt the seal. In some cases, to restore elasticity, the rubber can be treated with silicone grease, which will improve sealing chambers.
Adjusting the position of the body and doors
One of the most common reasons why a refrigerator door Ariston does not close tightly or opens by itself, the angle of the case is incorrect. For the self-closing mechanism to work correctly, the unit must be slightly tilted backwards. Adjustment is made using the front support legs, which can be unscrewed or tightened depending on the required height.
To perform this operation, you will need a wrench or pliers. By rotating the adjusting screws, achieve a position in which the door, open at an angle of about 30-45 degrees, will smoothly close on its own. If this does not happen, you need to raise the front part of the case a little more.
☑️ Checking the installation of the refrigerator
If the misalignment is caused not by the legs, but by deformation of the hinges, more serious intervention will be required. Loosen the top hinge and try to move the door in the desired direction, then tighten the bolts again. In models with the system No Frost it is important not to overdo it so as not to damage the wires going inside the loop to the display or lighting lamp.
| Symptom | Possible cause | Elimination method |
|---|---|---|
| The door does not fit | The body is skewed forward | Unscrew the front legs |
| It is difficult to open | The pressure is too strong | Lower the front legs |
| Crack at the bottom | Deformation of the seal | Replacing or restoring the rubber band |
| Creak of hinges | Lack of lubrication | Mechanism lubrication oil |
Setting the temperature in different chambers
The main parameter that requires periodic checking and adjustment is the temperature inside the refrigerator and freezer compartments. In refrigerators Ariston with electronic control, the setting is made through a panel on the door, where you set the desired degrees. The optimal temperature for the refrigerator compartment is considered to be from +3 to +5°C, and for the freezer - minus 18°C and below.
In models with mechanical control, adjustment is carried out by turning the thermostat knob located inside the chamber. There are no digital values here, so you need to navigate using a scale from Min to Max or numbers from 1 to 7. It is important to understand that the number does not mean degrees, but indicates cooling intensity. Setting the regulator to maximum (7 or Max) causes the compressor to work almost non-stop, which can lead to freezing of food.
To accurately adjust the temperature, it is recommended to use an external thermometer placed in a glass of water in the central part of the chamber. Leave it there for several hours without opening the door to get objective data. Based on these readings, you can adjust the position of the thermostat knob or digital settings, achieving the ideal balance between food safety and energy consumption.
Adjusting the thermostat and sensors
The thermostat is the key element responsible for turning the compressor on and off. In mechanical models Ariston it is a device with a capillary tube that responds to changes in temperature. If the refrigerator begins to turn on frequently or, conversely, remains silent for too long, this component may need to be adjusted or replaced. However, before changing the part, it is worth trying to adjust the existing mechanism.
To access the thermostat, in some models you need to remove the plastic cover inside the refrigerator compartment, where the light bulb is usually located. The thermostat mounting screws are hidden under it. On the thermostat body itself there may be adjusting screws marked with special marks. Turning these screws allows you to change the temperature range at which contact switching occurs contact switching.
⚠️ Attention: Adjusting the internal screws of the thermostat requires high precision. Turning the screw even half a turn can change the response temperature by 3-5 degrees. Fix the starting position before starting work.
In electronic models, the role of a thermostat is performed by temperature sensors that transmit signals to the control module. Their adjustment is impossible in the literal sense, but you can perform calibration through the service menu or replace the sensor if it produces incorrect data. Often the problem lies not in the sensor itself, but in the oxidation of the contacts in the connector, so checking electrical circuit is also necessary.
How to check a thermostat with a multimeter?
To check, remove the thermostat and ring its contacts. At room temperature the circuit should be closed. Place the sensitive element in a cold place (for example, in a freezer) - after a while a click should be heard and the circuit will open. If there is no click or the ringing is constant, the part is faulty.
Elimination of noise and vibration during operation
Increased noise levels and vibration are frequent companions of an incorrectly installed or configured refrigerator. If the unit makes more noise than usual, first check the distance between the back wall and the furniture or wall. The minimum gap should be at least 5-10 cm for free air circulation and reduced resonance. Also make sure that there are no foreign objects resting on the rear grille of the condenser.
Vibration is often transmitted from the compressor to the housing and floor. Check that the refrigeration pipes do not touch each other or the cabinet walls. If you hear rattling, carefully bend the tubes by hand (with the device turned off!) to eliminate the contact. Sometimes the source of the sound is the condensate collection tray located above the compressor - it can be slightly moved or lined with a piece of vibration-isolating material.
If the noise is of a humming or whistling nature, this may indicate problems with the operation of the compressor or the circulation of the refrigerant. In modern models Ariston with inverter compressors, the noise level is much lower, but if the rotation speed is incorrectly set, they can also make unpleasant sounds. In such cases, it may be necessary to reflash the control module or replace it.
Specifics of setting up No Frost models
Refrigerators Ariston with the system No Frost require a special approach to setting up, since a forced air flow circulates in them. It is important to properly distribute the food inside the chamber so as not to block the ventilation openings. If the air channels are clogged, the sensors will read the wrong temperature, which will lead to incorrect operation and the formation of an ice coat in hidden places. are getting warmer. This can be solved by adjusting the air supply dampers, if they are provided for in the design, or simply by correctly arranging the contents. Also in models defrost systems and the formation of an ice coat in hidden places.
In such models, the problem of uneven cooling is often encountered, when food freezes near the back wall and gets warm near the door. This can be solved by adjusting the air supply dampers, if they are provided for in the design, or simply by correctly arranging the contents. Also in models No Frost the condition of the defrost heater and timer are critically important, which must work synchronously.
Periodically, about once every six months, it is recommended to check the drainage system for removing melt water. A clogged drain hole may cause water to pool at the bottom of the chamber or leak out. You can clean the hole using a special flexible brush or soft wire, carefully inserting it into the channel.
Frequently asked questions (FAQ)
Why does the Ariston refrigerator not cool immediately after adjusting the temperature?
After changing the thermostat settings or moving the unit, the system takes time to stabilization. The compressor may take from 2 to 5 hours to reach the set temperature. Do not open the door often during this period.
How to understand that the thermostat is faulty and requires replacement?
Main signs: the compressor runs continuously, without turning off, or does not start at all, while the chamber is warm. Also, a malfunction may be indicated by the absence of a characteristic click when turning the control knob.
Is it possible to adjust the Ariston refrigerator without tools?
Basic temperature adjustment and checking the installation level can be done without tools. However, to adjust the legs, hinges, or access the thermostat, you will need a wrench, a screwdriver, and possibly pliers.
What should you do if, after adjusting the doors, they still do not close tightly?
If adjusting the height and position of the hinges does not help, the problem is most likely a worn seal. Try to restore its elasticity with a hot hairdryer or replace it with a new one, since deformed rubber will not provide a tight seal.