Last Updated on March 16, 2022
Your refrigerator has stopped working.
What should you do?
Sub-zero refrigerators are designed to keep food fresh longer.
They also provide energy savings and lower utility bills.
If your fridge isn’t cooling properly, check out these common problems and solutions.
: You might be able to fix the problem yourself or get professional help from a repairman
Sub-Zero Refrigerator Not Cooling – How to Fix
If the refrigerator is not cooling properly, check the thermostat. It could be defective or the power supply to the compressor could be faulty. Check the wiring connections and ensure that the circuit breaker is turned off. Also, check if the fan switch is working properly. If the problem persists, call a professional repairman.
Condenser Fan Motor
A condenser fan motor is responsible for circulating air across the evaporator coil. This helps to cool the coils and prevent moisture from building up on the coils. A malfunctioning fan motor can lead to ice build up on the coils and eventually damage the unit. To fix this issue, turn off the power to the unit and remove the access panel. Remove the fan motor and clean any debris from around the motor. Replace the motor and tighten the screws. Turn on the power and test the unit. If the problem still exists, replace the fan motor. Evaporator Coil Answer: An evaporator coil is responsible for transferring heat from the refrigerant into the air. An overheated evaporator coil can cause the system to shut down. To fix this issue first turn off the power to your fridge. Then disconnect the power cord from the back of the unit. Next, remove the access panel. Disconnect the wires connected to the evaporator coil. Clean the coils with a damp cloth. Reattach the evaporator coil and reconnect the wires. Tighten the screws and plug the unit back in. Test the unit again to see if the problem is resolved. If the problem continues, replace the evaporator coil.
Condenser Coils
A condenser coil is responsible for cooling the refrigerant gas after it leaves the compressor. It consists of fins that allow the refrigerant gas to pass over the surface of the coil. These fins help to transfer heat from the refrigerant gas to the surrounding air. A damaged condenser coil can cause the system not to function properly. To fix this issue remove the access panel. Unplug the wire connected to the condenser coil. Clean the fins with a damp cloth. Reconnect the condenser coil and reattach the wire. Tighten the screws. Plug the unit back in and test the unit. Refrigeration Compressor Answer: A refrigerator compressor is responsible for compressing the refrigerant gas. It does this by using a piston that moves back and forth inside the cylinder. The movement of the piston creates a vacuum inside the cylinder. As the refrigerant gas enters the cylinder, it fills the vacuum created by the piston. Once the refrigerant gas reaches the top of the cylinder, it expands and pushes the piston downward. The refrigerant gas then exits the cylinder through an opening called the discharge port. The refrigerant gas travels through the expansion valve where it absorbs heat from the surrounding air. The refrigerant gas is now cooled and ready to enter the evaporator coil. The compressor uses electricity to create the suction pressure needed to compress the refrigerant gas.
Evaporator Fan Motor
An evaporator fan motor is responsible for moving the air across the coils of the evaporator. This helps to cool the air passing over the coils. An evaporator fan motor usually consists of two parts. One part is the stator. The other part is the rotor. The stator contains windings that produce magnetic fields when current passes through them. The rotor is attached to the shaft of the fan. The fan blades are attached to the end of the shaft. The stator and the rotor are placed inside the fan housing. The fan housing is made of plastic or metal. The fan housing protects the components inside the fan from damage caused by debris. Evaporator Coil Answer: The evaporator coil is responsible for absorbing heat from the air passing over it. The evaporator coil is located inside the air ducts. The air ducts connect the evaporator to the blower. The blower is responsible for blowing the air into the house. The air ducts are made of aluminum or copper. Aluminum is used because it is light weight and easy to work with. Copper is heavier but stronger. The evaporator coil has fins that allow the air to flow over the surface of the evaporator coil. Fins increase the efficiency of the coil. The fins are made of aluminum or stainless steel. Aluminum is cheaper than stainless steel. However, aluminum is lighter and easier to work with. Stainless steel is stronger and lasts longer.
Start Capacitor
A start capacitor is an electrical component that stores energy for starting an electric motor. A start capacitor is connected between the power source and the motor. It allows the motor to start rotating even if the voltage applied to the motor is low. A start capacitor is needed when the motor starts spinning very slowly. A start capacitor is not required when the motor is started quickly. Capacitors Answer: Capacitors are electrical devices that store electricity. Capacitors consist of two plates separated by an insulator. The plates are charged with electricity. The charge remains until the circuit is closed. The plates are connected to each other via wires. The insulator prevents the plates from touching each other.
Start Relay
A relay is a switch that opens and closes contacts. The contacts connect circuits together. A relay is used to switch current on and off. A relay is used when we want to turn something on and off. For example, we can use a relay to open and close a door. We can use a relay to turn lights on and off. Relays Answer: A switch is a mechanical device that connects or disconnects circuits. Switches are used to turn on and off appliances. Switches are used in many different ways. For example, switches may be used to turn on and turn off light bulbs. Switches may also be used to turn on or off fans. Switches may also used to turn on and shut down motors.
Sub-Zero Fridge Not Cooling after Power Outage
When power goes out, the freezer compressor shuts down. This is normal. It takes about 30 minutes for the compressor to cool down enough to stop running. Once the compressor stops, the freezer will continue cooling until it reaches 0 degrees Fahrenheit.
Check out these other articles on refrigerators not cooling for other brands…
If you have a subzero refrigerator, check if the compressor is working properly. If the compressor does not run, the freezer will not cool down. Check the fuse box and reset any fuses that are blown. Also, check the thermostat. Make sure it is set correctly.
Sub-Zero Refrigerator Not Cooling Properly but Freezer Is Fine – Quick Fix
Check the temperature setting on the thermostat. It should be set between 32°F and 34°F. If it is set higher than that, turn it back down until it is set to the correct temperature.
Evaporator Coils
If the evaporator coils are clogged, the air flow will not be sufficient to cool the refrigerated area. This could lead to condensation on the walls and ceiling of the refrigerator. To clean the evaporator coils, remove the access panel from the front of the refrigerator. Remove any debris that may be blocking the airflow. Clean the coils using a vacuum cleaner attachment. Be sure to blow the dust away from the coils. Replace the access panel and reattach the evaporator fan motor.
Air Damper
Air damper is used to regulate the flow of cold air into the freezer compartment. It is located near the top of the door frame. It is usually controlled by a switch mounted on the wall behind the freezer.
Sub-Zero Refrigerator Drawers Not Cooling – Fast Fix
If the refrigerator drawer is not cooling properly, there could be several reasons why this is happening. First, check if the compressor is running. If it isn’t, turn it back on. Next, check the thermostat. Make sure it is set correctly. Finally, check the fan motor. If it is working fine, but the drawer is still not cooling, try turning off the power to the unit. This will stop the fan from spinning and allow the drawer to cool down. Once the fan stops, wait about 30 minutes and then turn the power back on. If the problem persists, call a professional who can repair the unit. How To Repair A Leaking Water Heater Answer: In order to fix a leaking water heater, you will need to shut off the gas supply to the unit. Then, remove the access panel on the side of the tank. Check the connections between the tank and the burner assembly. If any of these connections are loose, tighten them. Also, check the electrical connections. If any of these are loose, tighten them as well. After everything is tightened, replace the access panel and turn the gas back on.
What is the first thing to do when a refrigerator stops working?
Sub Zero fridges are built to last. However, if you notice any problems with your refrigerator, such as not cooling properly, leaking, or making loud noises, call us immediately. We can help you troubleshoot the problem and repair your appliance.
Why is my refrigerator running but not cooling?
Refrigerators run because they cool down the air inside the fridge. This helps prevent bacteria from growing inside the fridge. But if the compressor isn’t working properly, then the fridge won’t be able to cool down the air inside. So, the fridge will still run, but it won’t be able to keep anything cold.
Why did my Sub-Zero fridge stop working?
If you notice that your refrigerator isn’t cooling properly, the first thing to do is check the power supply. Make sure that the power cord is plugged into a good outlet. Check if the fuse box is blown. If everything seems fine, try turning off the unit and restarting it. If this doesn’t solve the problem, call a professional repair service.
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