Such appliance as a refrigerator can be considered as one of the most important units of kitchen equipment and of course, a leader in storage sphere. And of course, in case of breakage, a family or a householder can get serious problems which will increase in the context of weather that can accelerate the warming and defrosting processes in direct ratio with the stem of thermometer. The most part of goods in a broken refrigerator has to be discarded. Consequently, an urgent call to the technical service can help you to avoid potential troubles and to keep your frozen assets in the current condition.
Minor changes in everyday functioning of your refrigerator can reflect major problems in the whole system. Changes in the working sound of the equipment or non-standard temperature rates may seem insignificant for you, but a professional possibly has another opinion. Don’t hesitate to call the technician in case of any doubts about your refrigerator functioning. It really can save your appliance from a serious trouble.
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Condenser Coils are Dirty
The condenser coils are usually located under the refrigerator. They dissipate heat as refrigerant passes through them. If the condenser coils are dirty, they won’t dissipate the heat effectively. As debris builds up on the coils, the refrigerator becomes less efficient, causing the refrigerator to work harder to cool down. If the coils are significantly dirty, the refrigerator will not be able to maintain the proper temperature. Check the condenser coils to determine if they are dirty—if the condenser coils are dirty, clean them.
Water Tube in Door is Frozen
To determine if the water supply tube is frozen, disconnect the tube at the bottom of the door and blow air through it. If air does not pass through, this indicates that the water supply tube is frozen. If the water supply tube is frozen, thaw it out. In addition, ensure that the freezer is kept at the proper temperature. The freezer temperature should be kept from 0-10 degrees Fahrenheit. If the freezer is too cold, the water line may freeze.
Water Inlet Valve
The water inlet valve opens to supply water to the dispenser. If the water inlet valve is defective, or if the water pressure is too low, the water valve will not open. The valve requires at least 20psi to function properly. Make sure that the water pressure to the valve is at least 20 psi. If the water pressure is sufficient, use a multimeter to test the water inlet valve for continuity. If the water inlet valve does not have continuity, replace it.
Low Water Pressure from House Supply
The home may have insufficient water pressure. The water inlet valve supplies water to the water dispenser. The water inlet valve requires a minimum of 20 psi to function properly. Check the water flow and test the pressure to determine if it is at least 20 psi.
Dispenser Control Board
The dispenser control board governs most of the functions of the dispenser system. If the control board is faulty, it may stop supplying power to the entire dispenser system. If only one dispenser part is not working, test each of the dispenser components before testing the control board. It is more likely that a single part has failed. If the entire dispenser system is not working, the control board is more likely to be at fault.
Dispenser Switch
The dispenser switches send voltage to the dispenser. If one of the dispenser switches is defective, the dispenser will not work. To determine if a dispenser switch is defective, use a multimeter to test each switch for continuity. If a dispenser switch does not have continuity, replace it.
Water Filter
A clogged water filter can restrict the flow of water to the dispenser and prevent the dispenser from working properly. The water filter should be replaced about every six months to maintain proper water flow and ensure water quality.
Door Switch
The door switch turns off the ice and water dispenser when the refrigerator door is open. If the door switch fails, the dispenser will not turn on. To determine if the door switch is defective, use a multimeter to test it for continuity. If the door switch does not have continuity when activated, replace it.
Freezer Temperature is Above 10 Degrees F (-12C)
If the freezer temperature is above 10 degrees Fahrenheit (-12C), the ice maker will not produce ice cubes efficiently. The freezer temperature should be set between 0 and 5 degrees Fahrenheit (-18 to -15C) for the ice maker to work properly. If the freezer temperature is too high, ensure that the condenser coils are clear of debris and the condenser fan is working properly. In addition, check to see if frost has accumulated on the evaporator coils. If the evaporator coils are frosted over, part of the defrost system has likely failed.
Water Inlet Valve
The water inlet valve is an electrically-controlled valve that opens to supply water to the dispenser and ice maker. If the water inlet valve is defective, or if it has insufficient pressure, it won’t allow water to flow through. As a result, the ice maker won’t make ice. The valve requires at least 20 psi to function properly. Make sure that the water pressure to the valve is at least 20 psi. If the water pressure is sufficient, use a multimeter to check for power to the water inlet valve. If the water inlet valve has sufficient pressure and is getting power, but the ice maker won’t fill with water to make ice, replace the water inlet valve.
Ice Maker Assembly
One component of the ice maker assembly might be defective. Since many of the ice maker components are not sold separately, you may need to purchase and replace the entire ice maker assembly. Before replacing the ice maker assembly, check the water inlet valve, water line, and fan. If none of these parts are at fault, and the freezer temperature is at least 15 degrees Fahrenheit, replace the ice maker assembly.
Icemaker Module
The icemaker module is equipped with a motor that cycles the ice ejector arms or turns a tray to eject the cubes into the ice bucket. When the thermostat or sensor on the icemaker tray reaches about 15 degrees Fahrenheit, the motor cycles to release the ice cubes. At the end of the cycle, the icemaker module sends power to the water inlet valve to refill the tray with water. If the icemaker module is defective, the ice maker won’t make or dispense ice. First, depending on your model, make sure that the on/off switch is in the on position or the bail arm is in the down position. If the icemaker module has ejector blades, check to ensure that ice cubes are not stuck in the blades. There are usually test points in the module that a technician can use to further diagnose problems with the module.
Low Water Pressure from House Supply
The home may have insufficient water pressure. The water inlet valve supplies water to the ice and water dispenser. The water inlet valve requires a minimum of 20 psi to function properly. Check the water flow and test the pressure to determine if it is at least 20 psi.
Door Switch
The door switch turns off the ice and water dispenser when the refrigerator door is open. If the door switch fails, the dispenser will not turn on. To determine if the door switch is defective, use a multimeter to test it for continuity. If the door switch does not have continuity when activated, replace it.
Ice Level Control Board
Some refrigerators use an infrared beam to sense the level of ice in the ice bucket. When the ice level reaches the top of the bucket, it interrupts the infrared beam. The control board then shuts off the ice maker. When the ice level drops below the beam, the control board signals the ice maker to make more ice. If the ice level control board fails, the ice maker will stop making ice. Ensure that the ice level control board is getting power. If the ice level control board is getting power, but the ice maker won’t work, replace the ice level control board.
Water Filter
A clogged water filter can restrict the flow of water to the dispenser and prevent the ice maker from working properly. The water filter should be replaced about every six months to maintain proper water flow and ensure water quality.
Icemaker Mold Thermostat
The icemaker mold thermostat monitors the temperature of the ice mold (ice tray). Once the mold reaches the proper temperature, the icemaker ejects the ice cubes and refills the ice mold with water. If the mold thermostat is defective, the ice maker will stop making ice. To determine if the thermostat is defective, use a multimeter to test it for continuity. If the mold thermostat does not have continuity, replace it. (Note: If the ice maker is not cold enough, the mold thermostat contacts will open. If the thermostat contacts are open, the ice maker will not make ice. The ice maker temperature must generally be lower than 20 degrees Fahrenheit for the thermostat contacts to close.)
Icemaker Switch
The ice maker switch might be defective. It is also possible that the icemaker switch got turned off by accident. Check the switch to ensure that it is turned on. If the icemaker switch is turned on, but the ice maker still isn’t working, use a multimeter to test the switch for continuity. If the icemaker switch does not have continuity, replace it.
Defrost Control Board
The defrost control board determines how often to run the defrost cycle. If the board fails, the refrigerator will not go into the defrost cycle. Before replacing the defrost control board, first test the defrost heater and defrost thermostat. If the defrost heater and defrost thermostat are working properly, the defrost control board is likely defective.
Defrost Timer
The defrost timer turns on the defrost heater several times throughout the day to melt any frost that may have accumulated on the evaporator coils. If the defrost timer is defective, it may not advance into the defrost cycle, or it may not send power to the defrost heater during the defrost cycle. To determine if the defrost timer is defective, slowly advance the dial into the defrost cycle. The compressor should turn off and the heater should turn on. If the timer does not send power to the defrost components or advance out of the defrost cycle within 30 minutes, this indicates that the defrost timer is not advancing. If the defrost timer is not advancing, replace it.
Defrost Heater Assembly
The defrost heater assembly turns on several times throughout the day to melt away any frost that may have accumulated on the evaporator coils. If the defrost heater assembly is defective, the defrost system will not work, and frost will continue to accumulate on the evaporator coils. To determine if the defrost heater is defective, use a multimeter to test it for continuity. If the defrost heater does not have continuity, replace it.
Fan Blade
If the refrigerator is noisy or loud, especially when the door is opened, either the evaporator or condenser fan blade may be at fault. First, turn the evaporator fan blade by hand. If the fan blade does not turn freely, check to see if the blade is rubbing against something or if something is caught in the blade. Additionally, check the condenser fan blade to determine if it has any obstructions.
Evaporator Fan Motor
When the evaporator fan motor fails, it often generates a lot of noise. This noise will be much louder when the refrigerator door is opened. If the evaporator fan is noisy, replace it.
Condenser Fan Motor
There might be something caught in the condenser fan motor blade, or the condenser fan motor bearings might be defective. The condenser fan motor is usually located underneath the refrigerator near the back. Pull the refrigerator out from the wall and remove the access panel to access it.
Compressor
If the noise is coming from the compressor, the compressor might be wearing out. As the compressor wears out over time, it generates more noise than usual. Compressors often last for years after they become noisy. However, if your compressor is noisy, be aware that it is likely to fail. Your compressor must be replaced by a licensed technician.
Water Inlet Valve
If the refrigerator is noisy or loud, particularly when the ice maker is filling, the water inlet valve might be at fault. The water inlet valve is an electrically-controlled valve that opens to supply water to the refrigerator dispenser and icemaker. Over time, mineral deposits can accumulate inside the valve and restrict the water flow. If the water inlet valve is noisy or loud, replace it. Do not attempt to repair the water inlet valve—disassembling the valve can cause the valve to fail.
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