Modern refrigerators are computers with a compressor attached. Like any computer, the control board can get into a confused state — after a power cut, a brownout, or a sensor glitch — and stop cooling even though nothing is physically broken. A reset clears that state.

It costs nothing and takes ten minutes, which is why it is the first thing to try on almost any fridge fault.

Quick answer
  1. Universal reset: unplug the fridge for 5–10 minutes, then plug it back in.
  2. Faster reset: trip the fridge's circuit breaker for 1 minute, then restore it.
  3. After reset: wait 24 hours before judging — the fridge needs time to reach temperature.
  4. If it does not help: the fault is physical, not electronic — move to diagnosis.
  5. Do not reset repeatedly; if two resets do not fix it, the problem is a part.

When a reset helps

A reset is worth trying when the fridge shows any of these symptoms:

  • The fridge stopped cooling after a power cut or storm.
  • An error code is showing on the display.
  • The temperature display is flashing or showing dashes.
  • The fridge is running constantly or not at all.
  • The ice maker or water dispenser stopped working.
  • The fridge beeps for no reason.

A reset will not help if the compressor has failed, the sealed system has leaked, or a fan has seized. Those are physical faults, and no amount of resetting will fix them.

How to reset your fridge

There are two ways, and both work by cutting power to the control board so it reboots clean.

  1. Unplug method (safest). Pull the fridge's plug from the wall socket. Wait 5 to 10 minutes — not 30 seconds. The capacitors on the board need time to drain. Plug it back in.
  2. Breaker method (faster). Go to your electrical panel and switch off the breaker that feeds the kitchen. Wait 1 minute, then switch it back on. This is useful if the fridge is hard to reach.
  3. Do not use the display's 'reset' button alone if your model has one — it often only resets the display, not the board. Cut the power instead.
Wait the full time

A 30-second unplug is not a reset. The control board holds residual charge, and if you restore power too quickly it may not reboot cleanly. Give it a full 5 to 10 minutes.

Reset by fridge type

Fridge typeReset methodNotes
Standard top/bottom freezerUnplug 5–10 minSimplest; no display
French door with displayUnplug or breakerDisplay may need a separate reset
Samsung with Family HubUnplug 10 minSome models have a hidden reset button
LG with Smart DiagnosisUnplug 10 minUse the app's diagnostic after reset
Whirlpool/MaytagBreaker 1 minCheck for a diagnostic mode
Built-in / counter-depthBreakerPlug may be behind the unit

For most brands the procedure is identical: cut power, wait, restore. Some Samsung and LG models have a diagnostic mode you can enter with a button combination, but that is for reading fault codes, not for resetting.

What to do after a reset

After restoring power, the fridge will run continuously for several hours to pull down to temperature. Do not open the doors repeatedly to check — each opening lets warm air in and extends the pull-down time.

  • Wait 24 hours before deciding whether the reset worked.
  • Check the temperature with a fridge thermometer after 24 hours. Fridge should be 34–40°F, freezer 0°F.
  • Listen for the compressor and fan. If you hear nothing, the fault is electrical or the compressor.
  • Look for error codes. If a code returns after the reset, look it up — it points to the failed part.
  • If it did not work, move to physical diagnosis: vents, defrost system, fan, damper.
Bottom line

A reset is free and fixes a surprising number of fridge faults. Unplug for 5 to 10 minutes, restore power, and wait 24 hours. If two resets do not help, the problem is a physical part, not the control board.

Frequently asked questions

Diagnostic tools

A fridge thermometer confirms the reset actually fixed the temperature.

How do I reset my refrigerator?
Unplug it for 5 to 10 minutes, then plug it back in. Alternatively, switch off its circuit breaker for a minute. Both cut power to the control board so it reboots.
Will resetting my fridge fix it not cooling?
Sometimes. A reset fixes control-board glitches after a power cut. It will not fix a failed compressor, a refrigerant leak, or a seized fan.
How long should I unplug a refrigerator to reset it?
At least 5 minutes, ideally 10. A 30-second unplug is not long enough for the board's capacitors to drain.
Is there a reset button on a refrigerator?
Some models have one, but it usually resets only the display. To reset the control board, cut the power at the plug or breaker.
How long after a reset should the fridge take to get cold?
Up to 24 hours. The fridge runs continuously to pull down to temperature, so avoid opening the doors while it does.