How to Reset Refrigerator After Power Outage (Safely)

Quick answer: How to reset refrigerator after power outage, in short: most fridges restart on their own, so the “reset” is mostly checking. Clear any power-outage alert on the panel, confirm the temperature settings, give the compressor a few minutes to restart, then check your food. Anything perishable that sat above 40°F for more than 2 hours should go.

The fridge part is easy. The food part is where I’d slow down, because the rules are stricter than most people assume, and the cost of guessing wrong is a stomach bug rather than a bag of wasted groceries.

Here’s the order I’d follow.

Step 1: Check the Power Is Really Back

When you see lights on in the house, it’s tempting to assume the fridge is fine. Don’t. A tripped breaker, or a GFCI outlet that popped when the power surged back, can leave the fridge sitting dark and silent for hours while everything else in the house works normally, and most people miss it until the milk smells off.

Open the door. If the interior light is off and the display is dark, check the breaker and press the Reset button on any GFCI outlet nearby. If the outlet keeps tripping, see our guide to a refrigerator that keeps tripping the GFCI.

Step 2: Clear the Power-Outage Alert

Many newer fridges flag an outage. Whirlpool, for example, sounds three tones and shows a power outage icon. Press any button to stop the tone, then press again to clear the icon.

Other brands handle this differently. Samsung says its alarm keeps sounding until the temperature returns to the safe range, so on those models the alert clears itself once the fridge cools down.

Step 3: Check the Temperature Settings

Some control panels revert to default settings after a long cut, or show a flashing display. I’d confirm the fridge is set to 37°F to 40°F and the freezer to 0°F. If your panel looks scrambled, the owner’s manual has the exact reset sequence for your model.

Step 4: Let the Compressor Restart

Don’t panic if nothing happens for a few minutes. GE says you may hear a clicking noise after a power outage as the compressor tries to restart, and this can go on for 3 to 5 minutes.

That delay is normal. It protects the compressor from trying to start against high pressure in the sealed system, which is exactly the kind of strain that shortens a compressor’s life, so a fridge that waits a few minutes is doing its job rather than failing.

My advice? Leave the doors shut and listen. A steady hum means it’s running.

Step 5: Give It Time to Get Cold Again

A fridge that warmed up won’t snap back instantly. For a new fridge starting warm, Whirlpool says to expect about 8 to 12 hours to reach operating temperature and up to 24 hours to fully stabilize. After a short outage the recovery is usually faster, because the cabinet and food are still partly cold.

The trick is to keep the doors closed as much as you can during recovery. Every opening lets warm air back in.

Step 6: Restart the Ice Maker

Once the freezer is back to 0°F, the ice maker should start on its own. Throw out any ice that melted and refroze into a block. If it doesn’t restart within a day, Samsung owners can follow how to reset ice maker on Samsung fridge.

What Food Is Safe After a Power Outage?

This is the part I’d take seriously. The CDC’s guidance:

Situation	How long food stays safe
Refrigerator, door kept closed	Up to 4 hours
Full freezer, door kept closed	About 48 hours
Half-full freezer, door kept closed	About 24 hours

After a fridge has been without power for more than 4 hours, the CDC says to throw out perishable food such as meat, fish, eggs, milk and leftovers. Whirlpool’s rule matches: if the refrigerator has been above 40°F for more than 2 hours, discard perishable items.

Freezer food is more forgiving. Whirlpool says food that still has ice crystals may be refrozen, although quality and flavor may suffer.

And the rule I’d stick on the fridge door: when in doubt, throw it out. Don’t taste food to decide. Spoiled food can make you sick without smelling or looking bad, and I think the “it smells fine” test is the single most common mistake people make after an outage.

Honestly, a fridge thermometer is the best few dollars you can spend here. When you’ve got one, you’re reading a number instead of guessing.

How to Reset Refrigerator After Power Outage When It Won’t Restart

If the fridge stays silent after 10 minutes, or the display is on but it never gets cold:

Unplug it for 2 minutes, then plug it back in. This clears many control-board glitches.
Check the breaker and any GFCI outlet again.
Make sure the controls aren’t set to Off, Demo or Showroom mode.
Listen for the compressor. Clicking that never turns into a hum, after 5 minutes or more, points to a compressor or start-relay fault.

If none of that works, I’d call a technician. A power surge can occasionally damage the control board, and that’s not a DIY repair.

Frequently Asked Questions

Do I need to reset my fridge after a power outage?

Usually not. Most fridges restart automatically when power returns. You may need to clear an outage alert and check the temperature settings.

Why is my fridge clicking after a power outage?

GE says a clicking noise after an outage is the compressor trying to restart, and it can last 3 to 5 minutes. If it continues much longer, call for service.

How long does it take a fridge to get cold after a power outage?

It depends on how warm it got. A fully warm fridge can take 8 to 12 hours to reach operating temperature, according to Whirlpool. After a short outage it’s usually much quicker.

How long is food safe in the fridge without power?

Up to 4 hours if the door stays closed, according to the CDC. A full freezer holds about 48 hours and a half-full freezer about 24 hours.

Can I refreeze food after a power outage?

Whirlpool says food that still contains ice crystals may be refrozen, though quality can drop. Food that thawed completely and sat above 40°F should be discarded.

Last updated: November 9, 2026. Sources: CDC: discarding food after a power outage, Whirlpool: what to do during a power outage and GE normal refrigerator sounds.