How To Fix SAMSUNG Refrigerator Blinking Temperature Light? 4 Solutions

Do you have a Samsung refrigerator blinking temperature light? Causes and Solutions below…

The temperature display on your Samsung refrigerator tells you how cold the unit is on the inside. Plus, it also displays the set temperature you’ve chosen. Once it starts blinking, you should pay attention. That’s because it blinks to highlight a problem occurring within.

Your Samsung refrigerator’s temperature display will start blinking when the unit gets warmer than 59°F. That can happen if the door is left open for too long or if there’s been a prolonged power outage. Close the door and give the fridge 4 hours to cool back down. Besides that, a stuck evaporator fan, faulty temperature sensor, or failed control board could also be to blame.

A refrigerator that’s too warm is bad news for the food you’re keeping inside. So, this guide will tell you everything you need to know to troubleshoot and resolve the issue quickly.

Why Is My Samsung Refrigerator Temperature Display Blinking?

You must never ignore your Samsung refrigerator when its temperature display starts blinking. That’s because the appliance is actively trying to get your attention by highlighting a problem occurring within.

Here’s why your fridge is doing that and how you can solve each problem:

Fridge Is Too Warm

Firstly, a blinking temperature display might not result from a faulty component. Instead, it most likely happens because the temperature inside is too high.

Samsung refrigerators will blink their displays when the temperature inside rises above 59°F. At that point, the compartment is too warm to store your food items safely, so you must troubleshoot and resolve the issue.

The warm refrigerator is a symptom, and the root cause is one of the following:

  • The refrigerator door wasn’t closed properly, causing cold air to leak out over an extended period.
  • There was a power outage recently that lasted long enough for the fridge to become too warm.

Whatever the case, the bottom line is that your refrigerator is too warm, and that’s triggering the temperature display to blink.

*The solution: Regardless of which root cause listed above triggered this problem, the solution is the same. Firstly, shut the refrigerator door firmly so no cold air can leak out and no warm air can migrate into the unit.

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It’s also an excellent idea to ensure that no foreign objects are stuck in the door seal and that nothing inside the compartment is blocking the door. Those two issues can prevent the door from shutting correctly.

Then, give your refrigerator at least 4 hours to cool down to your set temperature. Once the temperature lowers below 59°F, the temperature display will stop blinking.

Read: How To Setup WiFi On Samsung Refrigerators?

Faulty Temperature Sensor

Another reason your fridge’s temperature display is blinking is the temperature sensor is faulty.

The temperature sensor has one clear purpose: to continuously monitor how cold the compartment is and send that information to the main control board. If the fridge is too warm, the board will cause the fridge to continue cooling. 

On the other hand, if the appliance has reached its set temperature, the control board will pause cooling temporarily.

However, a faulty temperature sensor will disrupt the refrigerator’s cooling process. Firstly, it could mistakenly sense that the fridge is warm even when it’s not. That will cause the temperature display to blink.

Besides that, the sensor could also mistakenly sense that the fridge is cold. In doing so, it causes the unit to stop cooling and let the compartment become too warm.

Both cases will disrupt the refrigerator’s normal operations and cause the temperature display to blink.

*The solution: The temperature sensor is typically located behind the evaporator panel, at the compartment’s rear. The precise location might differ between models, so be sure to refer to the user manual or any other available technical sheet.

You can test the temperature sensor with a standard multimeter to see if it still works. The multimeter will tell you whether or not the sensor has electrical continuity, and if it doesn’t, that means it no longer works.

If that’s the case, replacing the sensor is your only solution here. You’ll have to disconnect the sensor’s electrical wiring and remove it from the unit. Then, place the new sensor at the same location and attach the wiring the same way as the old one.

Always remember to use a sensor that’s compatible with your refrigerator model to ensure it works correctly.

Read: 3 Ways How To Reset Samsung Refrigerator Ice Maker?

Stuck Evaporator Fan

The cooling process in your refrigerator relies on two things. Firstly, the refrigeration system generates cold air while simultaneously removing heat from inside the unit. Then, the evaporator fan distributes that cold air into the fridge compartment to ensure everything cools down evenly.

So, if your refrigerator temperature display is blinking and the inside is warm, another likely cause is a stuck evaporator fan. When one or more of those fans doesn’t work, the fridge will quickly become too warm to store food items safely.

An evaporator fan can become stuck for several reasons, including:

  • Debris that clogs the fan blades and prevents them from turning
  • Worn-out or burnt-out evaporator fan motor

Both of those conditions will prevent the fan from doing its job of distributing cold air inside your refrigerator compartment.

*The solution: Firstly, inspect the evaporator fans inside your refrigerator. While the fridge is off, carefully clean away any debris that’s stuck inside the fan.

If that doesn’t work, the fan motor is likely burned out and needs to be replaced with a new one.

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Read: What Is Samsung Refrigerator Defrost Mode And How To Activate? – Troubleshooting Guide

Failed Main Control Board (Refrigerator Blinking Temperature light)

Suppose you’ve checked all the components above and ruled each one out. In that case, the final component you should inspect is the main control board.

You can think of that board as the ‘brain’ of your appliance. It coordinates the functioning of all components inside your refrigerator. More importantly, a failed main control board can cause your appliance to behave unusually, like blinking its displays without a clear reason.

Besides that, the faulty board could also prevent your unit from cooling down. As you read earlier, the temperature display will start blinking when the inside is warmer than 59°F.

Whatever the case, the main control board has a component on it that suffered a short circuit, voltage surge, or other electrical faults that damaged it.

*The solution: A refrigerator control board is not fixable, so the only solution is to replace it with a new one. That can be quite pricey, so you’ll want to inspect the board and confirm it’s damaged.

The clearest sign of a failed main control board is burn marks directly on the board or burn smells coming from it.

It’s an excellent idea to take a photo of the board and its electrical connectors. That way, you can use the photo as a reference when installing the new board and replace those connectors one at a time.

Read: Why Samsung Refrigerator Ice Maker Freezing Up? – Troubleshooting Guide

Final Thoughts

The temperature display on your refrigerator will blink when the temperature inside reaches above 59°F. That can happen if the door is left open for too long or if there was a prolonged power outage.

If that’s the case, your fridge needs at least 4 hours to cool down. When that happens, the display will automatically stop blinking.

Besides that, a stuck evaporator fan, faulty temperature sensor, and failed main control board can also cause the same problem.

Read: How To Reset Samsung Refrigerator Control Panel? 3 Easy Steps

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