How to Reset a Refrigerator After a Power Outage (2026)

Most refrigerators recover from a power outage on their own, and the reset that fixes the stubborn cases takes about five minutes: unplug the fridge, leave it disconnected, plug it back in, then clear the alarm on the control panel. The catch is knowing which of two very different problems you have, because a fridge with no power at all and a fridge with power but no cooling need completely different fixes.

1. Unplug it. Pull the plug straight out, or switch off the dedicated breaker.
2. Wait five minutes. Five is the standard wait. Thirty is the hard-reset wait, and it is only worth doing once.
3. Plug it back in and clear the alarm. Close the door, set the temperature you want, then press the alarm reset or clear-alerts key if the panel is beeping.

That is the whole reset. Everything below is the part people get wrong, which is why the same question gets asked separately for Whirlpool, Frigidaire, Samsung and GE units in every appliance forum on the internet.

Table of Contents

• What You Need
• Step-by-Step
  • 1. Check the power and refrigerator condition
  • 2. Unplug the refrigerator safely
  • 3. Inspect and clean the vents and coils
  • 4. Plug the refrigerator back in and restart it
  • 5. Confirm that the refrigerator is cooling
  • 6. Sort perishable food after the outage
• Common Mistakes
• Frequently Asked Questions
  • How long does a refrigerator take to cool after a power outage?
  • Can I put food back in the refrigerator immediately after the power comes back?
  • What temperature should a refrigerator be after a power outage?
  • How do I know if food is safe after the refrigerator was off for several hours?
  • When should I call a repair technician after resetting a refrigerator?
• Conclusion

What You Need

Gather these five things before you touch the appliance. None of it is exotic, and all of it changes how fast you get a reliable answer.

• An appliance thermometer — a small dial or digital probe thermometer that lives in the fridge. A kitchen meat thermometer works, but a dedicated appliance thermometer is easier to leave in place while you wait.
• A flashlight — a headlight is better than a hand torch, because you need both hands when you are working behind a fridge.
• A glass of water — a glass you can place against the vent or feel near the coils to sense cold air, and a second glass if you want to check freezer output separately.
• Your refrigerator’s owner’s manual — a paper copy if you have one, otherwise the model’s documentation online.
• A pen and paper, or your phone — write down the model number and photograph the error code before you do anything else. Once you start cycling the breaker, the code disappears and you lose the most useful clue you had.

If you do not know the model number, this is where to look. On most French-door and side-by-side units it is on a sticker inside one of the freshers, or on the vertical edge of the door jamb when the door is open. On top-freezer models it is usually on the inside wall near the top or on the back of the unit. Older units may have the model, serial and date codes stamped on a metal plate behind the kickplate or on the compressor housing itself.

Write the number down exactly as printed, including the letter prefix. Brands group manuals by prefix, and a plate that says WRF535SWHZ will not be found by searching “Whirlpool side-by-side manual.”

Step-by-Step

1. Check the power and refrigerator condition

Before assuming the fridge is broken, confirm that it is getting electricity at all. Look at the control panel: if the display is dark and the interior lights are off, the unit has no power. If the display shows a temperature or a blinking code, the unit has power and your problem is somewhere else entirely.

With no power, work outward from the appliance. Check that the plug is fully seated and undamaged, look for a tripped breaker, and note that refrigerators are usually on a dedicated 15- or 20-amp kitchen circuit. Reset that breaker once, by switching it fully off and then fully on. Never use an extension cord or a power strip for a refrigerator, and if the outlet is scorched, smells burnt, or trips again immediately, stop and have an electrician look at it.

Look at the plug and the floor around it for signs of surge damage before you push it back in. Melted or discoloured prongs, a plug that is warm to the touch, or a breaker that will not stay reset are all reasons to leave the fridge unplugged and call for service.

2. Unplug the refrigerator safely

Whether you should unplug at all is the single most argued question on this topic, and the honest answer is that good sources genuinely disagree. GE Appliances states on its support pages that unplugging is unnecessary and that a sudden restart after power returns will not harm the refrigerator. Appliance forum regulars, by contrast, insist on an unplug and cite the compressor start relay as the reason.

Both positions are defensible, and the disagreement comes down to what you are trying to fix. Reconnecting without a power cycle is enough when the fridge has power, is running, and simply needs its alarm cleared or its compressor nudged back into its cycle. Unplugging matters when the control board or compressor is hung, the display is frozen or blank, or power is still flapping.

Here is the wait time reconciled. The five-minute figure comes from the quick power cycle most manufacturers specify, and it is enough to discharge the control board’s capacitors and clear stored fault memory. Thirty minutes is the hard-reset figure, reported by owners and repair technicians, and it is worth trying once if five minutes did nothing. Sources quoting thirty seconds are describing a different problem, usually clearing a demo or showroom mode rather than resetting a hung board.

Before you reconnect anything, set the temperature control to OFF on models that have a physical dial or slider. That sequence, off then replug then back to your normal setting, is the most commonly reported fix in owner discussions. On a model with a touch panel, power down any settings you changed and set the target back to 37°F for the fridge and 0°F for the freezer once it is running.

3. Inspect and clean the vents and coils

While the fridge is unplugged, this is the moment to deal with dust. Pull the refrigerator out far enough to reach the coils on the back or underneath, using the leveling feet rather than dragging it across the floor.

Vacuum the condenser coils and any accessible grille, and clear the gap between the back of the fridge and the wall. Restricted airflow is the most common reason a refrigerator runs constantly and still fails to hold temperature, and it is the one cause you can fix yourself in ten minutes.

Check the door gaskets while you are there. Close a sheet of paper in the door and pull; if it slides out with no resistance, that seal has hardened. A damp cloth test works too — moisture on the paper means the seal is gripping. Also look for ice buildup along the freezer walls, which points to a defrost problem rather than a power problem.

Stay out of the sealed refrigeration system. Nothing you do as an owner involves opening refrigerant lines, and a compressor that runs without cooling because the system is low on refrigerant is a technician job.

4. Plug the refrigerator back in and restart it

Push the plug back in firmly, switch the breaker on, and give the unit a few minutes before touching the panel. A healthy restart hums: the compressor kicks in, the evaporator fan starts, and on many models you will hear a click from the relay.

If the panel is beeping or showing a stored alert, clear it. The label differs by brand, which is why owners search by model rather than by function.

Brand	Where the alert control is	What to do
Whirlpool and KitchenAid	Keypad above the doors, plus a small door near the left hinge on many models	Hold the key that lights up until the beep stops, then press it again to clear. Switch the temperature control to OFF first if it has a slider or dial.
Samsung	Touch panel, plus a small recessed hole on the left side of the front	Press and hold the alarm or power-refresh key for about 8 seconds. Samsung fridges also need roughly 15 minutes of settling time after a restart.
Frigidaire	Control panel, with HI and LO temperature end stops	Most Frigidaire models have no general reset button. The HI message clears itself once the compartment is cold again; holding a display button for about 15 seconds clears codes on some models.
GE	Controls on the door edge, with a reset on the rear of the unit on some models	Press the button labelled Home or Reset and wait. GE advises you do not need to unplug at all.
LG	Door pocket controls or the panel on the door edge	Press and hold the reset key for three seconds. The fridge runs a forced defrost after a power loss and sounds like it is running for several minutes.
Bosch	Panel inside the door frame, sometimes behind a flap	Switch the appliance off and on with the on/off key, then confirm the temperature setpoints. Bosch units also use a demo mode, which must be switched off or the compressor never starts.
Kenmore	Depends on the OEM, usually Whirlpool or Frigidaire underneath	Follow the Whirlpool or Frigidaire row for the maker badge on the label. A repeated 22 22 code on older Elite units is a control board communication fault, not a reset-able alert.
Older mechanical models	No display, no alarm, just a numbered dial	No reset exists. Turn the dial to OFF, leave the fridge unplugged, then return the dial to 5 for the fridge compartment. If it does not run, the issue is mechanical.

5. Confirm that the refrigerator is cooling

Do not judge a restarted fridge by how cold the air feels in the first ten minutes. A refrigerator that has been warm for hours and then has a full load put back in it needs hours, not minutes.

Realistic expectation: the freezer compartment pulls down fastest and can hold 0°F within a few hours, while the fridge compartment commonly takes four to eight hours, with owners reporting up to a full day for a completely warm unit that was restocked. A normal running sound is a low steady hum from the back and a faint fan noise. Silence, or a click every few seconds with no hum following it, means the compressor is not starting.

Use the thermometer rather than the display, because the display reads the air sensor, not the food. Put one in a glass of water in the middle of a shelf, leave it an hour, and read it. A target of 37°F or below for the fridge and 0°F for the freezer matches the recommended setpoints.

Here is the branch that trips people up. If the fridge has power — lights on, display alive — but nothing is cold after the reset, the cause is downstream of the outlet: a start relay, an overload protector, an evaporator fan motor, a damper or the main control board, and in rarer cases a sealed-system refrigerant loss. Repeated clicking that never leads to a hum points at the relay or overload protector. A compressor that runs constantly with no cold air anywhere points at the sealed system or the control board. A fridge that cools for a few hours and then stops running is a known inverter and control board behaviour that tends to come back.

6. Sort perishable food after the outage

Perishable food is the part people actually care about, and it is the part with a clear rule attached. FoodSafety.gov, the USDA-backed site, gives the guidance: an unopened refrigerator keeps food safe for about four hours without power, and a full freezer holds safe temperatures for about 48 hours, or around 24 hours if it is half full.

Once food has been above 40°F for more than two hours, discard it. That threshold matters because it is lower than the alarms most manufacturers use. Frigidaire units, for example, display HI at 55°F in the fridge and 26°F in the freezer — a message that the air has warmed, not a statement about food safety.

Food	Keep if	Discard if
Meat, poultry, seafood, leftovers, cut fruit and vegetables, milk, soft cheeses, cooked rice and pasta	Cooled within the four-hour window or still holding 40°F or below	Above 40°F for more than two hours, or you cannot say how long it was warm
Whole block ice or ice crystals in frozen food	Still solid or slushy, or ice crystals are still visible	Refreezable only when ice crystals remain, otherwise discard it
Soft frozen foods such as ice cream, frozen custard, frozen poultry	Kept at 40°F or below, which may require refreezing	Warmed above 40°F for more than two hours
Butter, hard cheeses, dried fruit, bread, whole fruit, unopened jars	Almost always, provided they smell normal and were not warm for long	Discard anything with an off smell, a swollen jar lid or visible spoilage

When in doubt, throw it out. Nobody has ever regretted discarding a tub of milk, and a fridge full of food is replaceable in a way that food poisoning is not. Photograph the temperature reading on the thermometer if you have one; a time-and-temperature record is what lets you keep a food item with a clear conscience.

Common Mistakes

Opening the door to check. Every open lets the cold air out and the warm air in, and it restarts the clock on your four-hour window. Open it once, take stock, and shut it.

Loading warm food straight back in. Room-temperature groceries in a fridge that is still recovering raise the internal temperature for everything around them. Wait until the thermometer reads 40°F or below, and refrigerate in shallow containers so heat leaves quickly.

Turning the dial to maximum cold to speed things up. The compressor runs either way; the setpoint only tells it when to stop. Cranking it to the coldest position makes a hot fridge take longer, not shorter.

Plugging into an extension cord, power strip or overloaded outlet. Refrigerators need a grounded dedicated outlet, and compressors fail from voltage drop. It is also the fastest way to undo the reset you just did.

Ignoring a noise that is not a hum. Clicking without a following hum, buzzing, or a compressor that runs and stops every few minutes is a symptom, not a quirk. Unplug it and stop cycling the power.

Keeping questionable perishables. Smell is a decent test on cooked food and a poor one on plain yogurt or a sealed container. When the time and temperature record is unclear, the answer is to discard it.

Attempting board-level repair. Pulling the back panel to test a compressor is how people turn a relay problem into a dead compressor. Relays, overload protectors, fans and control boards are technician work, and so is anything involving refrigerant.

Frequently Asked Questions

Conclusion

After the next outage, four things matter in order: keep the door shut so your four-hour window survives, check power at the breaker and the outlet, do the five-minute unplug-and-wait cycle before anything more involved, and measure the temperature with a thermometer instead of guessing from the display. If the fridge is humming and cold within a day, you are done. If it has power and no cold, the problem is a component and a technician is the right call.