A refrigerator may need several hours to cool after installation or being switched off. Whirlpool allows about 24 hours for initial cooling in its troubleshooting guidance, but the exact time depends on the model and conditions. Check the temperature it reaches as well as the elapsed time.
How Do You Know When It Is Ready for Food?
Follow the initial setup instructions and use an appliance thermometer to check the storage temperature. FDA recommends 40°F (4°C) or below in the refrigerator and 0°F (-18°C) or below in the freezer.
A control setting is not always a measurement of the compartment’s current temperature. Read the manual to understand what the display shows. Keep perishable food safely chilled elsewhere until the refrigerator has reached its proper temperature.
There is no general rule that a compressor only works correctly if the fridge is plugged in for 80 percent of the time. Leave the appliance connected and operating as its instructions require rather than cycling its supply to meet a percentage.
What Affects Cooling Time?
Room temperature, the starting temperature of the cabinet, door openings, ventilation and the amount and temperature of the contents can affect cooling. Door layout or cabinet size alone does not provide a reliable cooling-time prediction.
Use the recommended temperature setting, leave the required ventilation clearance and keep the door closed while it cools. Do not try to speed cooling by choosing a location outside the model’s permitted ambient-temperature range. If it does not cool within the expected period, follow the troubleshooting instructions or contact service.
Recommended Further Reading:
- Do Refrigerators Have Fuses? (Which Ones Have It & Which Don’t?)
- Is it Possible to Replace a Mixer with a Blender?
- Understanding the Dangers of Internal Rust in a Microwave Oven and How to Avoid It
- Should Adequate Airflow be Provided When Using a Microwave Oven?
What Happens After a Power Outage?
When power returns, the refrigerator may need time to recover its storage temperature. Assess food safety separately: cooling food again does not undo unsafe time spent warm.
Keep the doors closed during an outage. CDC gives about four hours for a refrigerator without power, 48 hours for a full freezer and 24 hours for a half-full freezer when the doors remain shut. Discard refrigerated perishables after four hours without power or another cold source. Never taste food to decide whether it is safe.
If you have temperature readings or a particular food to assess, use the food-specific guidance from FoodSafety.gov. Frozen food that still contains ice crystals or remains at 40°F (4°C) or below can generally be refrozen, although quality can suffer.
Related Further Reading:
- Fixing a Dripping Blender
- How to Stop a Deep Fryer from Smoking?
- Can You Store Onions In The Refrigerator? [Cut, Uncut, Peeled…]
- Examining How a Fridge Door Closes Itself Automatically
- What Deep Fryers Don’t Give Off an Odor?
What About a Door Left Open or a Repaired Refrigerator?
After a door has been left open, close it, check for obstructions and monitor the temperature. Assess food using its time and temperature history. Do not assume food is safe because the compartment has become cold again.
After compressor work, follow the service technician’s startup instructions and check the storage temperature before replacing perishable food. If the unit fails to cool or shows a fault, ask the technician to investigate.
Interesting Further Reading:
- Do Rice Cookers Save Water Compared to Other Methods?
- Can Refrigerators Be Laid Down On Side, Back, Or Front?
- Is it Possible for a Microwave Oven to Blow Up?
- Uncovering the Most Suitable Oil for a Deep Fryer
Do Camper Fridges and Defrosted Fridges Follow the Same Timing?
Camper refrigerators can use different cooling technologies, as Dometic explains. Follow the exact model’s setup, leveling, energy-source and cooling instructions. Do not assume every RV refrigerator uses absorption cooling or needs the same preparation time.
Manual-defrost and automatic-defrost appliances have different maintenance requirements. Sub-Zero describes automatic defrost in its products and says manual defrosting should not be needed under normal conditions. Follow the manual for your model if frost accumulates or cooling becomes poor.
After an authorized defrost procedure, restart as instructed and check the temperature before replacing perishable food. Do not chip ice with sharp tools or use an improvised heat source.
