Samsung Refrigerator Not Cooling
When a refrigerator stops cooling, the most common causes are dirty condenser coils, a failed evaporator or condenser fan, or a defrost fault that has let the evaporator ice over and block airflow.
Before you start: Unplug the refrigerator before removing any interior panel or working near the compressor.
What's specific to Samsung
Samsung French-door models have a well-documented history of ice-maker and defrost complaints, including a formal recall affecting certain ice makers. If a Samsung fridge is cooling poorly and the ice maker is frosting over, check whether the model is covered by an open service action before paying for parts.
Causes, in order of likelihood
| Cause | How often | Typical cost |
|---|---|---|
| Dirty condenser coils | Most common | DIY |
| Failed evaporator fan | Most common | $200–$420 |
| Defrost system failure, evaporator iced over | Common | $220–$500 |
| Condenser fan not running | Common | $200–$420 |
| Worn door seals | Common | $150–$350 |
| Failed start relay or compressor | Less common | $500–$1,200 |
1. Dirty condenser coilsYou can check this
How to check: Pull the fridge out and look at the coils underneath or behind. A blanket of dust means the unit cannot shed heat.
The fix: Vacuum and brush the coils. Twice a year is reasonable, more with pets.
2. Failed evaporator fanTechnician job
How to check: The signature is a warm fridge with a freezer that still works, because cold air is never moved between compartments. You may hear nothing when the freezer door switch is held in.
The fix: Replace the fan motor.
3. Defrost system failure, evaporator iced overTechnician job
How to check: Heavy frost on the freezer back wall. Cooling improves for a day after manually defrosting, then fails again — that pattern is conclusive.
The fix: Replace whichever of the defrost heater, thermostat or control has failed.
4. Condenser fan not runningTechnician job
How to check: With the compressor running, the fan near the compressor should also turn.
The fix: Clear any obstruction, or replace the motor.
5. Worn door sealsTechnician job
How to check: Close the door on a banknote. If it slides out with no resistance, the seal is not sealing.
The fix: Clean the gasket first — sticky residue is often the issue — and replace it if it is cracked or deformed.
6. Failed start relay or compressorTechnician job
How to check: The compressor clicks and hums but does not start, or stays silent while everything else works.
The fix: A relay is inexpensive; a failed compressor is a sealed-system repair and often the point where replacement is the better value.
When to call a technician
If the coils are clean and both fans run, the fault is in the defrost circuit or the sealed system, and both need a technician.
Describe the fault and get matched with an independent appliance technician in California.
Call (844) 659-0046