Fridge Not Cooling? What to Check Before Calling a Technician

A warm fridge puts food at risk, so it feels urgent. The reassuring part is that many cases come down to settings, airflow or dirty coils. Run these checks before booking a repair.

Step 1: the settings

• Confirm the temperature is set to about 3 to 4 °C (37 to 39 °F) for the fridge and -18 °C (0 °F) for the freezer.
• Make sure "demo", "shop" or "vacation" modes are off.
• If it was recently moved or cleaned, check the dial or display was not bumped.

Step 2: the door seals

A gasket that does not seal lets warm air in. Close the door on a sheet of paper. If it slides out easily, the seal is weak. Clean the gasket with warm soapy water; a worn one can be replaced cheaply.

Step 3: airflow

Fridges rely on cold air moving between compartments. Overpacked shelves or food pressed against the back vents block it. Leave a gap, and do not cover vents.

Step 4: the condenser coils

Dust-covered coils at the back or underneath force the compressor to work harder and cool less. Unplug the fridge, vacuum the coils and the grille carefully, and let it run.

Step 5: listen to it

• A clicking sound with no hum can point to a failing start relay.
• A constant hum with no cooling may mean low refrigerant or a failing compressor.
• Silence can be a power or control board problem.

Food safety

If the fridge has been above 4 °C (40 °F) for more than about two hours, discard perishable food. Keep the freezer shut; a full freezer stays cold for around 24 to 48 hours.

If it is not the simple things, LiveFix AI can help you describe the symptoms for the technician.

Frequently asked questions

What temperature should my fridge be?

About 3 to 4 °C (37 to 39 °F) for the fridge and -18 °C (0 °F) for the freezer.

Why is my freezer cold but my fridge warm?

A blocked vent, an iced-up evaporator or a faulty damper often stops cold air reaching the fridge compartment.

Can I add refrigerant myself?

No. Refrigerant work is for qualified technicians only.