How to Reset a Sub-Zero Refrigerator [Quick Guide]

Looking for how to reset a Sub-Zero refrigerator? This article will guide you on how to do this…

how to reset Sub Zero refrigerator
Photo Credit: Kowloonese, (under license)

How to Reset the Alarm of a Sub-Zero Refrigerator

Reset the door ajar alarm by turning the refrigerator off. Press the unit on/off button on the control panel and the refrigerator will go off. Leave it off for about 30 minutes and turn it on again. Be sure to close the unit’s door properly once it comes on so the alarm does not go off again.

How to Reset the Service Light on a Sub-Zero Refrigerator

To reset the service light on this unit, take a look at the condenser. If it is dirty, clean it. Then, turn off the refrigerator by pressing the on/off button on the control panel. This is to help reset the unit.

When it comes on, the service light which was flashing on the control panel will no come on. However, in the rare even the light is still showing, the problem could be with the temperature sensor.

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You cannot fix this yourself. Call the Sub Zero service center or a qualified technician to take a look at your refrigerator.

Learn how to clean the condenser of your Sub Zero refrigerator from this video…

How Do I Reset My Sub-Zero Ice Maker?

To reset the ice maker in your Sub-Zero refrigerator, turn off the refrigerator. Do this by unplugging the appliance from the wall outlet or turning off the circuit breaker. Leave it of for about thirty seconds to one minute before turning it on again. Allow the ice maker to run for 24 hour and check the ice storage bin. It should have enough ice cubes after one day of running.

How to Reset Vacuum Condenser on a Sub-Zero Refrigerator

Resetting the vacuum condenser icon on a Sub Zero refrigerator means cleaning the condenser. First, check the condenser of the unit to see if dirt or grease is clogging it. Then, clean it thoroughly.

After doing this, remove the Vacuum Condenser indicator and reduce the temperatures by unplugging the refrigerator from the wall socket for about 15 minutes. Turn it back on by plugging it on again. You will no longer see the Vacuum Condenser indicator flashing on the display.

How Do I Reset the Water Filter on a Sub-Zero Refrigerator?

To reset the water filter on a Sub Zero water filter, press the white-colored filter button. It is located to the left-hand side of the water filter which is on the front of the cover of the condenser. Hold the button for about 5 seconds. This will remove the filter indicator.

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Follow this process after you have replaced the water filter.

How to Reset the Filter Light on a Sub-Zero Ice Maker

To reset the water filter or Replace Filter light on a Sub-Zero undercounter ice maker, locate the Clean button on the control panel. Press and hold the button for about six seconds to reset the light and counter. Press and hold the button again if the ice maker does not reset the first time. Your machine may require service if you cannot reset it.

How to Reset the Air Purifier in a Sub-Zero Refrigerator

Some Sub-Zero refrigerators with an air purifier will dislay a Change Filter message, while others with an air purifier will not display the message. If the refrigerator expends the purifier with nothing remainig, and it shows the message to change the filter, you can snooze the reminder if you do not have a replacement filter or tap the reset filter button if you have a replacement.

After replacing the filter, tap Yes to reset the air filter life. The timer should reset to 100 filter life and the refrigerator will resume using the purifier. If you select No, you will exit the filter reset screen, but it may return after some time. It is best to reset it and get the purifier working again.

But if the refrigerator displays the Change Filter message, reset it by tapping the arrow on the home screen’s left side to open Options. Once it opens, select the gear icon and tap ‘i’ to open the information menu. Select the Filters option to access the air and water filters.

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You will see the water filter icon and the air filter icon when the option opens; press and hold the air filter icon for about five seconds. The air filter settings should open, and you can select the reset filter if you have a replacement. If you tap Yes, you reset the filter, but selecting No exits the screen. Otherwise, snooze the reminder until you have a replacement filter.


All these reset steps are pretty easy to follow. However, if the problems persist or the steps become too complicated, stop and call a qualified repairer. You can also call the Sub Zero service center to request for service, especially if your unit still has a warranty.

How to Reset Sub-Zero Refrigerator – Related FAQs

1. How to Reset a Sub-Zero Refrigerator

To reset this unit, shut off the circuit breaker of the refrigerator for about 30 seconds. Turn it on again. You can also unplug it from the wall socket it is connected to if you cannot find the circuit breaker. This resets the unit.

You can also turn off the refrigerator at the control panel or turn the temperature knob to Off or 0. Afterward, turn on the refrigerator at the control panel or use the temperature control knob to adjust the temperature and get the refrigerator cooling again.

2. Does a Sub-Zero Refrigerator Have a Reset Button?

A Sub Zero refrigerator does not have a dedicated reset button. You can only reset it by unplugging the refrigerator and plugging it back in again after a few minutes.

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