Many homeowners assume a warm fridge means the whole unit is failing. Often the freezer is working fine and the real culprit is something much smaller and much cheaper to fix.
How most refrigerators actually cool
In a typical top-freezer or side-by-side, there is only one evaporator coil, and it lives in the freezer. A small fan blows that cold air through a duct into the fresh-food compartment, and a damper controls how much gets through. If the freezer is cold but the fridge is not, the cooling system is working — the air is just not getting where it needs to go.
The three usual suspects
- Evaporator fan motor: If it has failed or is running slowly, no air moves into the fridge section. You will often notice the freezer getting colder than usual at the same time.
- Defrost system: A failed defrost heater or thermostat lets frost build into a solid sheet over the coil, blocking airflow completely.
- Damper control: Stuck closed, it starves the fresh-food side regardless of how well everything else is working.
What you can check
Pull the freezer back panel and look for heavy frost on the coil. Listen for the evaporator fan when the door switch is held in. If you find a wall of ice, that is a defrost problem and it will come back until the root cause is repaired.
We carry the common fan motors, defrost heaters and thermostats on the truck, so most of these are one-visit repairs. Call 251-463-8031.