The single most useful thing you can do during an outage is leave the doors closed. USDA guidance is that an unopened refrigerator holds food safely for about four hours, a full freezer for roughly 48 hours, and a half-full freezer for about 24. Every door opening spends part of that budget.
Judging the Food Afterwards
Use a thermometer, not your nose. Food does not have to smell wrong to be unsafe.
- Refrigerated food that has been above 40°F for more than two hours should be discarded. That covers meat, poultry, fish, eggs, milk, soft cheese, leftovers, cut fruit and anything with a cream or mayonnaise base.
- Frozen food that still holds ice crystals, or that has stayed at or below 40°F, can generally be refrozen, though texture may suffer.
- Do not refreeze anything that has warmed past 40°F and stayed there, and do not taste food to test it.
If you know outages are common where you live, an appliance thermometer left in each compartment turns all of this from guesswork into a reading you can act on.
What to Check on the Appliance
Once power returns, give the refrigerator a few minutes before expecting much. Several things are normal in that window: a compressor that does not restart immediately, a display that has reset to default settings, and an ice maker that dumps its first harvest. Then confirm the settings survived, that the ice maker is switched back on if it turned itself off, and that temperatures fall over the next several hours.
When an Outage Leaves Damage
A surge on restoration can take out a control board, and that shows up as a display that will not light, a compressor that hums without starting, or a cabinet that never gets back down to temperature over a full day. If the appliance is on a circuit shared with a tripped GFCI or breaker, check that first. Beyond that, board and compressor diagnosis is technician work rather than a parts gamble, so book a Whirlpool refrigerator repair visit and say how long the power was out.