Short answer: Dealing with a Hisense refrigerator that’s not cooling can range from straightforward DIY fixes to needing professional repairs. Basic issues like power connection or temperature settings are easy to resolve, while more complex matters may require expert help.

Hisense, a reputable brand known for its diverse range of appliances, has garnered significant trust among consumers worldwide. However, like any other appliance, there can be moments of falter. One such commonly reported issue among users is the Hisense refrigerator running but not effectively cooling. This phenomenon, while concerning, can stem from a variety of reasons, ranging from minor tweaks to more intricate internal complications. In this discussion, I’ll delve into the possible causes, their implications, and potential solutions for when your Hisense refrigerator doesn’t maintain its cool.

Reasons Why Your Hisense Fridge Is Not Cooling

Hisense Refrigerator Not Cooling
Hisense Refrigerator Troubleshooting Guide

Power Connection:

At first glance, it may seem like a basic suggestion, but a surprising number of cooling issues can stem from a fridge not being plugged in properly. Over time, plugs can become loose due to vibrations or accidental nudging. Before diving into more complex troubleshooting, always check if the power cord is securely connected to the outlet and that the outlet itself is functional.

Demo Mode:

Refrigerator Use & Care Guide - Hisense USA
Demo Mode Hisense Fridge

This is a feature many consumers aren’t aware of. Demo or “display” mode is designed for showrooms, enabling the fridge to showcase its features without actually cooling. This helps conserve energy on the shop floor. If accidentally activated, the refrigerator’s lights and display might work, but it won’t cool. Ensure you’ve not inadvertently turned this on.

Failed Compressor:

The compressor is often described as the “heart” of the refrigerator. It’s responsible for circulating the refrigerant that cools the interior. A malfunctioning or failed compressor means that the refrigeration cycle won’t initiate, leading to a lack of cooling. Often, if the compressor is the issue, you may hear irregular noises or none at all from the back of the fridge.

Leaky Door:

The seals or gaskets on the doors of the refrigerator ensure that the cold air remains inside and warm air stays out. Over time, these can wear out, crack, or become loose. If cool air escapes, the fridge’s internal temperature rises, causing the compressor to work harder and still potentially fail to maintain the desired temperature.

Food Overload:

While it might be tempting to store a lot in the fridge, especially after a big grocery shop, overloading can have consequences. A tightly packed fridge can block vents, preventing cold air from circulating efficiently. This not only causes uneven cooling but can strain the appliance over time.

Clogged Vents and Coils:

The coils and vents play a vital role in dissipating heat from the refrigerator. Over time, dust, pet hair, and debris can accumulate on these components, hindering their functionality. Regular maintenance, like vacuuming the coils, can ensure optimal performance.

Defective Evaporator or Condenser Fan:

These fans play a crucial role in the cooling process. The evaporator fan circulates cold air inside the fridge, while the condenser fan dissipates heat from the condenser coils. If either fan malfunctions, it could result in inefficient cooling or even cause the fridge to warm up. Common indicators include unusual or loud noises, or not hearing the fan’s usual humming sound.

Hisense Refrigerator Not Cooling-Easy Fix

checking condenser
Checking temperature settings

Disconnect the Refrigerator and Inspect the Wall Outlet:

Before attempting any troubleshooting, always disconnect the appliance from the power source. This ensures your safety against any potential electrical hazards. Once disconnected, inspect the wall outlet for any signs of damage or malfunction. A non-functioning outlet could be the root of the problem.

Inspect Temperature Control Settings:

How to adjust the temperature on hisense fridge
Refrigerator Use & Care Guide

Sometimes the simplest explanations are the correct ones. Temperature controls can be accidentally adjusted, causing a change in the fridge’s internal temperature. Ensure that the temperature settings are set to your preferred level.

Inspect Freezer and Refrigerator Doors:

A door that doesn’t close properly can lead to inefficient cooling. Check for any obstructions, damaged seals, or misalignment that could prevent the doors from sealing tightly.

Clean the Condenser Coil:

The condenser coil dissipates the heat extracted from the interior of the fridge. A coil clogged with dust, grime, or debris can hinder this process, leading to reduced cooling efficiency. Cleaning the coil can significantly improve performance.

Make Sure the Condenser Fan Is Working:

The fan assists in cooling the condenser coil. If it’s malfunctioning, the coil may not cool properly. Listen for its operation or visually inspect it to ensure it’s working.

Inspect the Compressor Relay:

The relay is responsible for turning the compressor on and off. If it’s faulty, the compressor, crucial for the cooling process, won’t operate. Testing the relay can determine if it needs replacement.

Inspect the Evaporator:

The evaporator plays a key role in cooling the fridge’s interior. If it’s frosted over, it can’t effectively cool the fridge. Excessive frost could indicate a defrost system issue.

Inspect the Evaporator Fan:

This fan circulates cool air throughout the fridge. Ensure it’s running smoothly and free from obstructions that might hinder its functionality.

Inspect the Defrost Drain:

The drain removes water during the defrost cycle. A clogged drain can lead to water build-up, potentially causing cooling inefficiencies or other issues.

Check the Temperature Control Thermostat:

This device regulates power to the compressor and evaporator fan based on the fridge’s internal temperature. If it’s malfunctioning, it could result in improper cooling.

Inspect the Start Capacitor:

The start capacitor provides a power boost to the compressor during startup. A malfunctioning capacitor might prevent the compressor from initiating, disrupting the cooling process.

Check the Temperature Control Board:

Checking coils
Fixing Hisense refrigerator not cooling

This board directs voltage to the compressor and fans. Although not a common issue, a malfunctioning control board could disrupt the cooling process.

Check the Thermistor:

The thermistor measures the refrigerator’s internal temperature and sends this data to the control board. If defective, it can send incorrect readings, leading to cooling issues.

Regular maintenance and understanding of these components can help in identifying and rectifying issues quickly, ensuring your refrigerator remains in optimal working condition.

Frequently Asked Questions

Why Is My Fridge Warm?

A warm fridge can result from several reasons including improper temperature settings, blocked vents, a faulty compressor, malfunctioning fans, dirty condenser coils, or a defective thermostat. Regular maintenance and checking of these components can help in identifying the cause.

Where Are the Coils on a Hisense Refrigerator?

On most Hisense refrigerators, the condenser coils are located at the back or underneath the appliance. They might be covered by a protective back panel or grill. Ensure the fridge is unplugged before inspecting.

Can I Reset the Ice Maker?

Yes, you can reset the ice maker. For most Hisense models, there’s usually a reset button on the ice maker itself or you can switch the fridge off, wait a few minutes, and then switch it back on. Always refer to the user manual for specific instructions for your model.

How To Fix a Frozen Ice Maker Water Line?

To fix a frozen line:

  • Disconnect the refrigerator from power.
  • Locate the frozen section of the water line (often near the ice maker).
  • Use a warm cloth or a hairdryer on a low setting to gently thaw the frozen section.
  • Once thawed, turn the refrigerator back on and check the ice maker’s functionality.
  • To prevent freezing in the future, ensure the fridge’s temperature settings are correct.

How do I know if my refrigerator compressor is not working?

Signs of a non-working compressor include

  • The fridge and freezer are warmer than usual.
  • The compressor is unusually quiet when the fridge is plugged in.
  • The compressor is hot to the touch and the fridge is not cooling.
  • Hearing clicking sounds from the back of the refrigerator.
  • Using a multimeter to test for continuity and finding none.


In conclusion, understanding the basic workings of your Hisense refrigerator and its components is crucial for troubleshooting common issues. While some problems, like adjusting temperature settings or thawing a frozen water line, can be addressed with simple DIY solutions, others, especially those concerning the compressor or electrical components, might require professional attention. Regular maintenance, such as cleaning the coils and checking the seals, can prevent many issues. When faced with unusual fridge behavior, it’s wise to consult the user manual or seek expert advice to ensure the longevity and efficient operation of your appliance.

Key Points:

  • Check power connections first.
  • Avoid overloading the fridge.
  • Regularly clean and inspect vents, coils, and fans.
  • Temperature settings can be accidentally altered; always check them.
  • Consult a technician if in doubt.

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