Mini Fridge Not Cooling? Here’s How To Fix It

By SmartHomeBit Staff •  Updated: 06/13/23 •  7 min read

Mini fridges are great for small spaces – they store food and drinks. But if your mini fridge isn’t cooling, it can be really annoying. It might be caused by different things, like not having enough power or overloading the fridge.

To figure out why your mini fridge isn’t cooling, you need to look at potential causes. One common reason is a blocked or dirty condenser, which stops the fridge from cooling properly. Another possible issue is that the door isn’t closing right, so warm air builds up inside.

To fix this, you should clean the condenser and make sure the door seals correctly. Sometimes, you might need a professional technician to help. This happens when the compressor isn’t working. It’s best to check the power supply and door seal before calling a technician – it saves time and money.

Possible Causes of Cooling Problems

Possible Causes of Cooling Problems:

Why isn’t my mini fridge cooling? It could be due to various factors. Here are some possibilities to consider:

Also, it’s important to not overload the fridge or pack it too tightly. Ignoring these causes can lead to more damage.

Diagnosis Process

A diagnosis can help to spot a mini fridge issue that isn’t cooling. First, make sure it’s plugged in and the temperature is set right. Then, check the back of the fridge for the evaporator coils. They must be clear of dust and debris, as they can cause cooling problems.

Test the thermostat and compressor. They both regulate the cooling, so a fault in either one can stop the fridge from cooling. The condenser coils at the back also need to be checked. They must be clean and clear, as a buildup can make the fridge overheat.

If the problem continues, find a professional technician to repair the mini fridge. This avoids food spoilage and potential health hazards. To prevent future issues, regular maintenance is a good idea.

Reasons for Mini Fridge Not Cooling Properly

Mini fridges can have many reasons for not cooling. Dust and debris in the condenser coils can clog them, reducing efficiency. Faulty thermostats or temperature control can also be causes. Over-packing the fridge can restrict air flow.

To make sure the fridge works optimally, clean the condenser coils regularly. Avoid over-packing it. Check the temperature control and replace a faulty thermostat if needed. High ambient temperatures can also affect the fridge’s cooling.

If none of these solutions work, contact a reputable repair service. Preventative measures and addressing cooling issues can help extend the mini fridge’s lifespan and ensure it works well.

Troubleshooting Steps

A mini fridge not cooling can be annoying. Here are some tips to help:

  1. Unplug the fridge and remove all items.
  2. Look for any visible damage or blockages like a blocked vent or dirty coils.
  3. Clean the coils with a brush or vacuum.
  4. Plug the fridge back in and listen. If the compressor is running too much or not at all, it might need replacing.
  5. Check thermostat settings, too.
  6. If none of this helps, you may need to call a professional.

To troubleshoot a mini fridge not cooling, you should inspect for damage, clean the coils, check the compressor, and adjust the thermostat settings. Hopefully, this gets the mini fridge cooling again.


Analysis of the mini fridge has shown that it is not cooling properly.

Data and experts suggest there are several causes. These include dust on the coils, a broken thermostat, a refrigerant leak, fan obstruction, a faulty compressor, or a power outage.

It’s important to pinpoint the problem before attempting repairs.

To troubleshoot, check the temperature settings, clean the coils, ensure proper ventilation, and inspect for leaks.

If these steps don’t help, it may be time to call in a professional.

The compressor is the heart of the fridge and regulates the flow of refrigerant.

So, a malfunctioning compressor could be an issue.

FAQs about Mini Fridge Not Cooling

What are some common reasons why a mini fridge may stop cooling properly?

Mini fridges may have issues with cooling that need to be diagnosed properly. Possible causes of cooling problems include sealed system issues, failed compressor, evaporator fan motor, condenser fan motor, or thermostat. Other issues could be related to evaporator coils, start relays, control board, or drier filter restrictions.

How can I identify the source of the cooling problem in my mini fridge?

The first step in diagnosis is to listen to the compressor. If the compressor is running, the issue could be with the sealed system, specifically the condenser or capillary tube. The evaporator is important for producing the cooling effect and can also be a potential issue. Some mini fridges may have evaporator coils, which can also fail. It’s important to research the specific model of the mini fridge before attempting repairs.

What should I do if my mini fridge is not cooling properly?

If your mini fridge is not cooling properly, the first thing to check is the gasket seal around the door, as damaged seals can let warm air inside. Make sure the mini fridge is plugged in and the outlet is functional, and that the temperature is set correctly. Dirty condenser coils are a common reason for mini fridges to stop cooling, as they can’t remove heat from the air properly. To fix this, switch off the power, pull out the fridge, locate the coils, and clean them with a damp cloth. Check the condenser fan to make sure it’s not obstructed, as it helps keep the coils from frosting over. If the fridge still doesn’t cool properly, proceed to identify the faulty component and repair or replace it.

How can I check the condenser fan motor or evaporator fan motor in my mini fridge?

To check the condenser fan motor or evaporator fan motor in your mini fridge, first switch off the power. Then locate the fan unit, remove the cover, and check for obstructions. You can attempt to turn the fan manually to see if it moves freely. If the fan cannot move freely, it needs to be repaired or replaced. You can also use a multimeter to test for continuity when testing the fan. If there is no continuity, the fan motor may need to be replaced.

What should I do if I hear a clicking sound coming from my mini fridge?

If you hear a clicking sound coming from your mini fridge, it could be due to a faulty thermostat. The temperature-control thermostat keeps track of the temperature in the mini-fridge and sends power to the compressor, evaporator fan motor, and condenser fan motor as needed. To test the thermostat, turn off the mini-fridge, locate the thermostat, change the setting from lowest to highest, and listen for a clicking sound. If there is no clicking sound, use a multimeter to check the thermostat for continuity. If there is no continuity, the thermostat must be replaced.

What are some quick fixes I can try before calling a professional for help?

If a mini-fridge is being opened too often, it can lose its coolness quickly and may not have time to get back to the right temperature before it’s opened again. If sharing a mini-fridge with others, it might be worthwhile to invest in a second mini-fridge or switch to a regular-sized fridge to avoid cooling issues. Some quick fixes you can try include checking the gasket seal around the door, cleaning the condenser coils, and checking the condenser fan for obstructions. These fixes may solve the problem, but may not always be a permanent solution to the problem.

SmartHomeBit Staff