Smell gas, see smoke or flames? Leave the building and call 911 or your gas utility from outside before anything else.
Refrigerator problem
Why is my refrigerator not cooling?
If the freezer is still cold, the problem is almost always air not reaching the fresh-food side: a frosted coil, a stopped fan or a stuck damper. If both sides are warm, look at the condenser, the compressor and the controls. Keep the doors shut while you work it out.
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The pattern tells you where to look: refrigerator not cooling
Cold air is made at the freezer coil and blown into the fresh-food section. Which side is warm, and whether you hear the compressor and fans, narrows the cause before anything is opened.
- Freezer cold, fridge warm
- Airflow fault: frosted evaporator coil from a defrost failure, a stopped evaporator fan, or a stuck damper.
- Both warm, compressor running
- Dirty condenser, stopped condenser fan, or a refrigerant problem.
- Both warm, silent or clicking
- Start relay, compressor, control board, or no power.
Signs and likely causes: refrigerator not cooling
| Sign | Likely cause | What fixes it |
|---|---|---|
| Frost on the back wall of the freezer | Defrost heater, sensor or control failed | Defrost part replaced |
| No air from the vents in the fresh-food side | Evaporator fan stopped or blocked by ice | Fan replaced, ice cleared |
| Compressor hums, back of fridge hot | Condenser fan stopped or coil clogged | Fan replaced, coil cleaned |
| Clicking every few minutes, no cooling | Start relay or compressor | Relay replaced or sealed system diagnosed |
| Temperatures drift after loading food | Vents blocked by packages | Rearrange food |
What you can check safely: refrigerator not cooling
Read a thermometer
Put an appliance thermometer in a glass of water on the middle shelf. Above 40 °F is too warm (FDA).
Check the dial
Make sure the control was not turned down or switched to a vacation or demo mode.
Clear the vents
Move food away from the air outlets in both compartments.
Clean the condenser
Unplug the fridge, then vacuum the coil under or behind it.
Listen
Note whether the fans run with the door switch pressed. It helps the technician.
How fast do you need help?: refrigerator not cooling
- Act now
Above 40 °F with perishables or medicines inside
Move them to a cooler with ice and call for same-day repair.
- This week
Slowly warming, still under 40 °F
Clean the condenser and book a refrigerator repair.
What not to do: refrigerator not cooling
Chipping ice off the coil
Sharp tools puncture coils, turning a defrost repair into a sealed-system failure.
Turning the dial to coldest
It does not fix an airflow fault and can freeze the fresh-food side once repaired.
Opening the doors to check
Each opening lets cold air out. Check once and keep them closed.
Questions people ask: refrigerator not cooling
Can a defrost problem fix itself?
Unplugging the fridge for a day melts the frost and often restores cooling for a few days, which confirms a defrost fault. It comes back until the failed part is replaced.
How long is food safe?
About four hours with the door closed, according to the USDA. Perishables above 40 °F for over two hours should be discarded.
Why is my new refrigerator not cold yet?
New refrigerators can take up to 24 hours to reach temperature. Wait before loading it fully.
This page is general safety information, not a diagnosis. Appliances combine electricity, water and sometimes gas. If you are unsure whether something is safe, unplug it or switch it off at the breaker and have a technician inspect it. For a gas smell, leave and call 911 or the gas utility.
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