
A frost-free fridge freezer is supposed to be convenient, but if it's freezing up on you, it's frustrating and a waste of energy. This can happen due to a buildup of frost or ice in the freezer compartment.
The temperature in your frost-free fridge freezer can fluctuate, causing the compressor to work harder and potentially leading to freezing issues. This is often due to a faulty thermostat or a malfunctioning defrost timer.
To prevent this, make sure to check the temperature settings and ensure they're set correctly. If the temperature is too low, it can cause the compressor to work excessively, leading to a buildup of frost.
Regular cleaning and maintenance can also help prevent freezing issues.
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Frost-Free Fridge Freezer Issues
A frost-free fridge freezer can be a real pain when it starts icing up. This is often due to a faulty evaporator, which can cause the appliance to malfunction.
The evaporator is a key component in your frost-free fridge freezer, and if it ices up, it can lead to a buildup of ice inside the appliance.
To diagnose the issue, you'll need to check the evaporator to see if it's indeed iced up. This is a relatively simple process that you can do yourself.
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Common Causes
Ice buildup on your frost-free fridge freezer can be caused by a dirty condenser coil, which can be found behind the fridge or freezer. This is because the coil's ability to dissipate heat is impaired, leading to increased humidity inside the appliance.
Inadequate air circulation is another common cause, often due to the fridge or freezer being placed too close to a wall or in a corner. This restricts airflow and allows warm air to become trapped inside the appliance.
Faulty temperature sensors can also contribute to the problem, as they may not accurately detect temperature changes, causing the appliance to work harder and generate more moisture.
Condenser Coil Issues
Dust and dirt can quickly build up on your condenser coils, causing your freezer to stop cooling properly.
This is a common issue that can be easily resolved by taking a few minutes every few months to clean off the coils.
To do this, simply unplug your refrigerator and access the coils behind the front, bottom grill.
A vacuum or coil brush is a great tool for removing dust and dirt from the coils, making sure they're clean and free to function properly.
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How It Works

Frost naturally forms as the moist air inside your freezer is cooled down to freezing temperatures.
The evaporator coils are the coldest part of your freezer, located right behind the back wall, where frost forms first.
The evaporator coils are periodically heated to melt the frost before it gets too thick.
The water from the melted frost runs down a drain tube and into a pan under your freezer, where it naturally evaporates back into the air.
However, when the defrost system fails, frost and/or ice can form inside your freezer, making a mess and affecting its effectiveness.
You can buy some time by fixing the defrost system, but it's essential to address the issue to prevent further damage.
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Door Seal Failure
Door Seal Failure is a common issue that can cause problems with your freezer's performance.
A faulty door seal will let warm air in and cold air out, preventing the freezer from getting cold enough to freeze food.
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If you notice frost or ice forming on the sides, top, or bottom of the freezer, or on the inside of the door, it's a sign that the door seal has failed.
Water droplets present around the opening of the freezer compartment and on the inside of the door are also a clear indicator of a door seal failure.
Even leaving the freezer door open for a fraction of an inch for short periods of time can cause problems.
Ice building up in the drawers and on the shelves in your freezer may be due to a door seal failure, so it's essential to check the seal.
To test the seal's integrity, place a dollar bill across the door seal and close it. Pull the dollar bill out while the door is still closed. You should feel a lot of resistance if it's tight.
Frost Buildup
Frost buildup in your frost-free fridge freezer can be a real nuisance. It's usually a sign of a more serious issue.
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The two most common causes of frost buildup are defrost system failure and door seal failure. These issues can lead to restricted airflow, which causes the frost to accumulate.
Frost buildup can be identified by a frosty buildup inside the freezer area, which can be resolved by manually defrosting the freezer and cleaning out any excess water.
Here are some indicators that your defrost system has failed:
- Frost begins to build up on the back wall of your freezer.
- You hear a clicking sound whenever the circulation fan turns on.
Door seal failure can also cause frost buildup, which can be identified by frost or ice forming on the sides, top, or bottom of the freezer, or water droplets present around the opening of the freezer compartment.
Repair and Maintenance
Regular defrosting can help prevent frost buildup in your frost-free fridge freezer. Aim to defrost every 3-6 months, or as recommended by the manufacturer.
Ice buildup can also be caused by a faulty defrost timer, which regulates the defrost cycle. A stuck or malfunctioning timer can prevent the defrost cycle from running, leading to ice accumulation.
To maintain your fridge freezer, ensure the condenser coils are clean and free from dust. A dirty condenser can reduce the appliance's ability to dissipate heat, causing it to work harder and potentially freeze up.
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Overstuffing

Overstuffing can be a common issue, especially if you're restocking after a big sale.
You may not realize it, but overpacking the freezer can prevent the cold air from circulating properly.
This can cause the evaporator fan to struggle, and as a result, the compartment won't freeze as it should.
To avoid this, make sure to keep the rear of the freezer clear from obstruction, under the evaporator fan.
If your freezer is not freezing, it's possible that your compressor isn't getting power.
You can perform a simple test to check the compressor. Unplug the fridge, open the back compartment in your freezer, and unplug the relay from the compressor.
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Evaporator Fan Motor Malfunction
If the evaporator fan motor in your fridge is malfunctioning, it's a serious problem that requires attention.
You'll need to unplug the fridge to ensure your safety while working on it.
Remove and clean the evaporator fan blades to check for any ice buildup or blockages.
Ice buildup can cause problems with air circulation, so this is an essential step.
If the blades are bent, you'll need to replace them.
If the blades are free but still not working, you'll likely need a new fan motor and thermostat control.
For another approach, see: Whirlpool Fridge Freezer Ice Dispenser Not Working
Evaporator Drain Repair
The evaporator drain repair can be a bit of a challenge, but it's a crucial step in keeping your fridge freezer running smoothly.
The slightest bit of debris or ice can clog the drain tube, which can lead to bigger problems down the line.
You'll need to access the drain tube, and depending on your appliance, it might be located inside the freezer or at the back of the machine.
It's usually best to have an appliance repair technician flush out the drain tube and ensure it's in good working order.
Repair or Replace?
When dealing with a malfunctioning appliance, it's essential to weigh the costs of repair versus replacement. Simple repairs can extend the life of the appliance, as seen with freezer ice and frost issues that are normally easily solvable problems.
Freezer ice and frost issues are normally easily solvable problems and there is no reason to consider replacing your unit altogether.
A good rule of thumb is to consider repairing if the issue is minor and won't cause further damage if left unaddressed.
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Puls Freezer Repairing Services
Puls Freezer Repairing Services can be a lifesaver when your freezer breaks down. They offer fast, convenient service on your timetable.
Their fully vetted refrigerator technicians have the skills and experience needed to quickly troubleshoot your freezer problems.
At Puls, they are committed to solving your issue as soon as the same day.
Broken freezers can be frustrating, but with Puls, you can get back to storing your food and drinks in no time.
They have a team of experts who can repair your freezer quickly and efficiently.
Troubleshooting and Solutions
If your frost-free fridge freezer is freezing up, check the air circulation. Poor air circulation can cause moisture to accumulate and lead to frosting.
Make sure the air vents are not blocked by food or other items. This can prevent cold air from circulating and cause the freezer to work harder, leading to frosting.
The defrost drain may also be clogged, causing water to accumulate and freeze.
Sensor Failure

If your fridge freezer is accumulating extra ice inside, it's likely due to a faulty temperature sensor. A failed sensor can't control the temperature correctly, leading to colder or warmer than normal temperatures.
To troubleshoot the issue, you'll need to access the sensor, which can vary depending on your fridge model and its location. Check for signs of visual damage or defects to the sensor.
Using a multimeter, test the terminals. If you don't get a reading on your meter, unfortunately, you'll need to replace the sensor.
Defrost System Failure
If you're experiencing defrost system failure, there are a few key indicators to look out for. Frost building up on the back wall of your freezer is a major red flag, as it means the frost has become so thick on the evaporator coils that it's contacting the back wall.
You might also hear a clicking sound when the circulation fan turns on, which indicates that the frost is impinging upon the blades of the fan.
This can be a sign that the defrost system needs to be checked and potentially replaced.
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