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LG refrigerator display not working
Common reasons your LG refrigerator display is not working
The most common reasons your LG refrigerator display is not working are a defective electronic control board, bad LED light assembly or an inoperative user interface.
30% of the time it's the Electronic Control Board
24% of the time it's the LED Light Assembly
18% of the time it's the User Interface Control
28% of the time it's the Something else
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Most common repairs needed to fix a LG refrigerator
Electronic Control Board Replacement
A defective electronic control board can lead to various failures in a refrigerator, including a lack of power or cooling and water leaking. This is because the board serves as the brain of the refrigerator, controlling crucial operations such as regulating internal temperatures, running fans, managing defrost cycles, overseeing the ice maker, and controlling dispenser functions. If the electronic control board malfunctions, it can disrupt communication between many different components, including automatic doors if equipped. A failing board may cause a chattering or clicking noise from the refrigerator and may emit a burning odor. Due to the potential impact on multiple components, it is advisable to have a Sears Home Services professional conduct diagnostic tests on the board to confirm if replacement is necessary.
LED Light Assembly Replacement
If the refrigerator LED light assembly is bad, the refrigerator interior won’t be illuminated, which can create the perception of a complete loss of power. Additionally, a bad LED light assembly may impact the display, particularly if the refrigerator features an integrated control panel. You might see the display as dim, hindering the ability to read and interact with the controls effectively. In some cases, a faulty LED assembly may flicker or produce uneven lighting.
User Interface Control Replacement
When a refrigerator user interface control becomes inoperative, it loses the ability to communicate with the main control board, affecting settings like temperature or ice maker status. The interface will cease to display, creating the appearance of a powerless refrigerator. In some instances, it may only show an error code. If the user interface solely controls drawer temperature settings, a crack in the shelf housing the interface can prevent it from responding to the selected settings.
Why is the display on my LG refrigerator not working?
Lack of power, a defective electronic control board or failed user interface component can prevent the refrigerator display from working.
Check for Power
When the display is blank on your fridge, check to see if the appliance has power.
If you don’t hear the compressor or fans running, open the refrigerator door to see if the interior light turns on.
If the refrigerator is completely dead, follow these troubleshooting tips to restore power to the fridge.
Check the house circuit breaker
Reset the house circuit breaker for the refrigerator. This will restore power to your fridge if the breaker was tripped.
If the breaker trips right away after resetting it, schedule refrigerator repair service to have a technician examine the fridge. An internal short circuit in the refrigerator may be causing the breaker to trip. You’ll need to get that short fixed before continuing to use the refrigerator.
Test the electrical outlet
Plug a nightlight or small appliance into the outlet for your refrigerator to see if it has electrical power.
If the electrical outlet is dead and the breaker isn’t tripped, you’ll need to have an electrician fix the outlet for the fridge.
Examine the power cord
Unplug the refrigerator and check the power cord for damage. If the power cord is cut or damaged, replace it.
Schedule refrigerator repair service
If you’re not able to find the cause of the power problem in your refrigerator after following these basic troubleshooting steps, you’ll likely need to have a service technician fix the fridge.
The technician will check the control and wiring to determine the cause of the failure.
Reset the Control Board
If the refrigerator has power but the display is dead, try resetting the electronic control board using these steps:
- Unplug the refrigerator power cord. If the cord is difficult to reach, shut off the house circuit breaker for the fridge to completely disconnect electrical power.
- Leave power off for 2 minutes.
- Reconnect electrical power to reset the control board(s) in the fridge.
The control board or boards will reboot and reset. The display may begin working again.
Check Control Board Wiring
If the display is still dead after resetting the control board(s), check the wiring connections on the main electronic control board of the fridge.
Here’s a video that shows how to access the electronic control board on a common type of refrigerator:
If the wiring connections are okay, you may need to replace the electronic control board or the user interface control board.
Have a service technician test the control boards to determine which part needs replacing.
What to expect when you experience an LG refrigerator display not working issue
How is the display not working problem fixed?
Correcting most display not working problems usually involves replacing the electronic control board, LED light assembly or user interface control. However, there are many potential causes, so a thorough diagnosis is key to fixing the problem. An accurate diagnosis is essential to understanding how much the repair will be.
Sears Home Services recommendations for a refrigerator display that is not working
When the refrigerator display is not working it can be for many reasons. To avoid replacing unneeded parts we recommend having a Sears Home Services professional perform diagnostic tests to identify the root cause of the problem. Our technicians are experienced at diagnosing all types of refrigerator failures.
What to look out for with a refrigerator display not working diagnosis
Diagnosing modern appliances without proper knowledge and training can be difficult. Without using proper diagnostic techniques, fixing your refrigerator problem will only be achieved through changing parts on a hunch. Appliances, especially in the last 10 years, have become extremely advanced, and many models have electronic parts that are difficult to test. DIY repairs on the latest appliance models are becoming increasingly difficult.
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Frequently Asked Questions
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Glossary Terms
A dual ice maker is a feature in some refrigerators that includes two separate ice makers: one in the fridge compartment and another in the freezer section. This setup doubles the appliance's ice-making capacity.
A French-door refrigerator features two doors that open side-by-side on the top section for the refrigerator compartment, with a bottom freezer drawer, combining style, efficiency, and easy access to both refrigerated and frozen goods.
Refrigerant is a chemical compound used in HVAC systems and refrigerators to absorb heat from the environment by cycling through states of evaporation and condensation, enabling the cooling process through its cycle of evaporation and condensation.
R-12 refrigerant, also known as Freon-12, is a chlorofluorocarbon (CFC) compound that was once widely used in air conditioning systems, refrigerators, and aerosol propellants before its phase-out due to environmental concerns.