How to Change Light Bulb in Sub Zero 650 Fridge

If you are the Sub Zero 650 refrigerator owner, then you know that it is a luxurious appliance. However, with great luxury comes great responsibility- including changing light bulbs.


Changing a light bulb in your Sub Zero 650 fridge is a process that can seem daunting at first, but with a little guidance, it can be done relatively easily.

In this post, we will walk you through the process step-by-step on how to change light bulb in sub zero 650 fridge, so that you can change the light bulb in your fridge with confidence.

Be sure to unplug the refrigerator before starting this project. You will need a Phillips head screwdriver and a replacement light bulb. Let’s get started!

Step by Step Procedure: How to Change Light Bulb in Sub Zero 650 Fridge

Step 1: Gather the Necessary Tools and Materials

Before beginning the process of changing the light bulb in your Sub-Zero 650 fridge, gather the necessary tools and materials. These may include:

  • A replacement light bulb (40-watt appliance bulb for most models)
  • A non-abrasive cloth or towel
  • A flathead screwdriver
  • A stepladder or sturdy chair

Step 2: Unplug the Refrigerator

To ensure your safety while changing the light bulb, unplug the Sub-Zero 650 fridge from the electrical outlet. This will prevent any electrical accidents during the bulb replacement process.

Step 3: Remove Food and Shelves (If Necessary)

Depending on the location of the burnt-out light bulb, it may be necessary to remove some food items and shelves from the refrigerator to access the light cover. Carefully remove any items obstructing your access and set them aside.

Step 4: Locate the Light Cover

Identify the location of the light cover in your Sub-Zero 650 fridge. The light cover is typically found on the ceiling or sidewall of the refrigerator or freezer compartment. It is a plastic cover that protects the light bulb from damage and moisture.

Step 5: Remove the Light Cover

To remove the light cover, use a flathead screwdriver to carefully pry it away from the refrigerator’s interior. Be gentle during this process to avoid damaging the cover or the surrounding components. Some light covers may have small tabs or clips that need to be disengaged before removal.

Step 6: Remove the Burnt-Out Light Bulb

Once the light cover is removed, carefully unscrew the burnt-out light bulb by turning it counterclockwise. If the bulb is difficult to remove, use a non-abrasive cloth or towel to improve your grip and protect your hand from heat or broken glass.

Step 7: Inspect the Light Socket

Before installing the new light bulb, inspect the light socket for any signs of damage, such as corrosion or broken components. If any issues are discovered, contact a Sub-Zero service professional for assistance.

Step 8: Install the New Light Bulb

Screw the new light bulb into the socket by turning it clockwise. Be careful not to overtighten the bulb, as this may cause it to break or become difficult to remove in the future.

Step 9: Test the New Light Bulb

Before reassembling the refrigerator, plug it back into the electrical outlet and open the door to ensure that the new light bulb is functioning properly. If the light does not turn on, double-check that the bulb is installed correctly and securely.

Step 10: Reattach the Light Cover

Once you have verified that the new light bulb is functioning correctly, reattach the light cover by gently pressing it back into place. Ensure that any tabs or clips are securely engaged to prevent the cover from falling.

Step 11: Replace Food and Shelves

Carefully return any food items and shelves that were removed during the light bulb replacement process. Ensure that the shelves are properly positioned and secure before placing food items back into the refrigerator.

Step 12: Verify Proper Refrigerator Operation

After completing the light bulb replacement process, monitor the refrigerator’s operation to ensure that it is functioning correctly. Verify that the temperature settings are accurate, and the cooling system is working as expected.

By following these steps, you can successfully change the light bulb in your Sub-Zero 650 fridge. It is essential to exercise caution and follow safety precautions during this process, such as unplugging the refrigerator and using a non-abrasive cloth to handle the light bulbs. Regularly inspecting and replacing burnt-out light bulbs will help maintain the functionality and appearance of your refrigerator, ensuring optimal performance and longevity.

Additional Tips and Advice:

1. Be sure to use a Sub Zero light bulb when changing the light bulb in your fridge. These bulbs can be found at most hardware stores.

2. Be careful when handling the diffuser and the light bulb. Both of these items are fragile and can easily be broken.

3. If the light bulb does not turn on after changing it, check the fuse box to see if a fuse has blown.

4. Always keep your light bulb clean. A dirty light bulb can cause the fridge to overheat and damage the unit.

5. Always turn off the fridge when changing the light bulb. This will prevent any accidents from happening.

6. Ensure the diffuser is properly secured before turning the fridge back on.

7. If the light bulb still does not work, contact a Sub Zero service technician for assistance.

Choosing Light Bulb For Sub Zero 650 Fridge:

When choosing a light bulb for your Sub Zero 650 fridge, there are a few things you need to consider. The type of light bulb you choose will depend on the wattage and voltage of your fridge, as well as the size of the light fixture.


You’ll also want to consider the light bulb’s color temperature, as this can affect the look of your food. Most Sub zero refrigerator needs T8 or T12-type fluorescent bulbs with a medium bi-pin (G13) base and an initial lumen output of 1,200 – 2,000 lumens.

The lighting in your fridge should be bright enough to see what’s inside easily, but not so bright that it hurts your eyes. You’ll also want to ensure that the light bulb you choose is the right size for your fridge.

Frequently Asked Questions(FAQ):

Sub-Zero refrigerator models 650 and 690 have an interior light located in the center of the roof. First, remove the power supply to the refrigerator to change the light by unplugging it from the wall outlet or flipping the circuit breaker.

Next, use a Phillips screwdriver to remove the two screws holding the lens cover. Under the cover, you will see the light bulb.

Remove the old bulb and replace it with a new one of the same type. Finally, screw the lens cover back and restore the refrigerator’s power.

There are a few reasons why the light in your Subzero refrigerator might be off. First, make sure that the power is turned on to the unit.

The light will not come on if the power is off, even if the door is open. Next, check to see if the light bulb needs to be replaced. If the light bulb is burned out, it will need to be replaced to get the light back on.

Finally, if none of these solutions work, you may need to call a Subzero appliance repair technician to come and take a look at your unit.

Final Words

Changing a light bulb in a Sub Zero 650 Fridge is straightforward, but it is important to follow them precisely to avoid injury or damage to the fridge. In this post, we have walked you through the process of how to change light bulb in sub zero 650 fridge.

The first step is to remove the grill at the top of the fridge. This can be done by inserting a screwdriver into the two slots on either side and prying it off.

Be careful not to damage the grill, as it is fragile. Once the grill has been removed, you will see four screws holding the light cover. Remove these screws and set them aside.

The light cover should now be free. Pull it down and away from the fridge, careful not to damage the wires. We hope this guide was helpful to you. If you have any questions, please feel free to comment below. Thanks for reading!

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