Why won't my fridge change temperature?

Author: Cheyenne Zemlak  |  Last update: Thursday, September 11, 2025

If the refrigerator temperature doesn't budge, try cleaning around the appliance's compressor and any coils to remove dust and dirt, which prevent efficient cooling, Chai says. Check your owner's manual for the coil location and vacuum them with a soft-bristle brush.

Why is my refrigerator temperature not changing?

  • Check the Power Supply: Ensure the fridge is properly plugged in and the outlet is working.
  • Inspect the Temperature Settings: Make sure the temperature controls inside the fridge and freezer are set to the correct levels (usually between 37-40°F for the fridge and 0°F for the freezer).

How do you know if your fridge thermostat is broken?

If a thermostat is faulty it will show one of the following symptoms:
  • The thermostat does not switch on, the light inside (if fitted and the bulb has not failed) will light up but the motor will not try to start.
  • The fridge will not switch off, the motor runs continuously and everything is freezing solid inside.

How do I get my fridge to start cooling again?

  • 1. Check the Temperature Settings Ensure that the refrigerator is set to the appropriate temperature (usually around 37°F or 3°C). Sometimes, the settings can be accidentally changed.
  • 2. Inspect the Air Vents Make sure the air vents inside the fridge are not blocked by food items.
  • 3. Clean the Condenser Coils

Why is my refrigerator running but not cooling?

There are several causes for a refrigerator that doesn't cool, including dirty condenser coils, poor ventilation, improper installation, faulty or dirty gasket seals, unorganized food storage, appliance location and malfunctioning internal parts.

Refrigerator not Cooling? Check these things first!

Will unplugging a fridge reset it?

Reset your refrigerator

Follow the instructions below depending on your model and what you would like to reset: Reset your refrigerator: First, unplug it (or turn off the power at the circuit breaker), and then wait about five minutes for the electrical charge to clear out of it. Then, power it back on again.

How do you reset a refrigerator thermostat?

Unplug the refrigerator from the power outlet, wait for a few minutes, and then plug it back in. This can help reset the system and potentially resolve any temporary issues. Check for obstructions: Ensure that there are no items blocking the vents in the freezer compartment.

What is the life expectancy of a refrigerator thermostat?

Its primary role is to maintain a consistent and ideal temperature, preventing food spoilage and optimal energy efficiency. The typical thermostat lifespan ranges from 5-10 years, though this can vary based on usage and maintenance.

What is the first thing to check when a refrigerator stops cooling?

Clear blocked air vents: Inspect the air vents inside the fridge and freezer compartments to ensure they are not obstructed by food or containers. Proper air circulation is vital for even cooling. Check the door seals: Inspect the rubber gaskets (door seals) around the refrigerator and freezer doors for damage.

Is there a reset button on a refrigerator?

Appliances do not have a reset button on them - to reset any appliance you UNPLUG the unit from the outlet for 3 minutes - plug back in - or turn off breaker to outlet and appliance for that long - then turn back on. That will reset the control computer board and reset the appliance.

How do I get my refrigerator compressor to kick on?

Reset Power
  1. Unplug your refrigerator. If the plug is too hard to reach, switch the circuit breaker off.
  2. Wait 5 minutes before returning power to the fridge.
  3. Once power is back, open your freezer and push the light switch 3 times to trigger a cooling cycle.
  4. Monitor temperature over the next 24 hours.

How to tell if a refrigerator compressor is bad?

What Are the Signs of a Bad Refrigerator Compressor?
  1. Your Refrigerator is Constantly Running. Does it seem like your refrigerator is running all the time? ...
  2. Your Energy Bill is Rising. ...
  3. It Doesn't Stay Cold. ...
  4. You Hear More Noise than Usual. ...
  5. The Circuit Breaker Trips. ...
  6. You Notice a Burning Smell. ...
  7. Refrigerator Problems?

Why is my fridge warm inside?

Blocked vents: Overpacking your fridge can block the air vents, restricting the flow of cold air inside the unit and causing the temperature to rise. Malfunctioning components: Critical parts such as the thermostat, condenser coils or the evaporator fan can fail, leading to inadequate cooling.

Why is my fridge light on but not cooling?

If your fridge is not cooling but the light is on, your freezer may have an icy build-up. Unplugging your refrigerator may be a good troubleshooting move. The ice may be blocking a vent in the freezer that's preventing your refrigerator portion from properly cooling.

How do I fix my refrigerator temperature control?

If it's too warm, gradually set it cooler until your fridge is the appropriate temperature.
  1. Remove anything blocking the circulation vents. ...
  2. Keep enough food in your fridge. ...
  3. Check for an old or cracked gasket seal. ...
  4. Clean the condenser coils. ...
  5. Inspect the evaporator fan motor for clogs or damage.

How to know if a fridge thermostat is broken?

Compressor Won't Turn On Or Off

The thermostat automatically switches the compressor on if temperatures have got too high, and then kicks in to turn it off if the fridge gets to cold. If this automatic on/off function is not happening, the thermostat is probably faulty.

How do I know if my temperature sensor is out?

Symptoms of bad temperature sensor
  1. Erratic Readings. Sudden jumps or drops in temperature readings. ...
  2. Open Circuit: Display shows a very high or infinite temperature. ...
  3. Short Circuit: Display shows a very low or negative temperature. ...
  4. Drift: ...
  5. Noise or Interference: ...
  6. Physical Damage:

How much does it cost to fix a refrigerator thermostat?

Refrigerator Repair Prices

A faulty thermostat may cost around R600 to fix, while a broken compressor can push the price above R3000.

How do I reboot my thermostat?

Turn your thermostat “off”, then flip the related circuit breaker “off”. Wait 30 seconds, then turn the breaker back “on,” then the thermostat. Set the thermostat to hot or cold, whichever you prefer, and your desired temperature. This should effectively reset it.

How do I reset my refrigerator compressor?

Shutting off the power to the refrigerator will give all of its systems—including the compressor—time to reset. Power down your refrigerator by unplugging it from the wall or shutting off the circuit breaker connected to the fridge. Leave the unit unplugged for five to ten minutes.

How do I do a hard reset on my refrigerator?

Unplug your refrigerator

Disconnect your fridge from its power source by removing the power cord from the wall outlet. You may hear some whooshing or knocking noises after you do so; that's normal. Make sure your fridge stays unplugged for several minutes, otherwise the reset won't work.

How to fix a fridge that is not cooling?

If your refrigerator isn't cooling, try these troubleshooting steps:
  1. Check to see if it has been installed in the correct location.
  2. Unblock air vents.
  3. Reorganize your food and other contents inside.
  4. Check to see if gasket seals are broken or damaged.
  5. Relevel the refrigerator.
  6. Clean condenser coils.

What happens if I unplug my fridge and plug it back in?

Is it safe to unplug the refrigerator? The answer is no. The temperature of a refrigerator needs to be maintained at a certain level, and if you unplug it, the temperature inside drastically changes leading to many problems.

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