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"Sub-Zero Installation Instructions" — troubleshooting

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Sub-Zero Air Purification Icon Flashing? What It Means and How to Clear It

Sub-Zero Air Purification Icon Flashing? What It Means and How to Clear It 0

A flashing Sub-Zero air purification icon means the 7042798 air cartridge is due. Here is what the light means and how to reset it on Classic, PRO, and Designer models.
Sub-Zero Water Filter Light Won't Reset? Here's How to Fix It

Sub-Zero Water Filter Light Won't Reset? Here's How to Fix It 0

Replaced your Sub-Zero water filter but the REPLACE FILTER light is still on? Here's how to reset the filter life monitor on Classic, PRO, and Designer models — and exactly what to do when the light won't clear.
Cloudy or Bad-Tasting Sub-Zero Ice? Causes and How to Fix It

Cloudy or Bad-Tasting Sub-Zero Ice? Causes and How to Fix It 0

Is your Sub-Zero ice cloudy or tasting off? A quick sniff test tells you whether it's a bin-odor problem or your water filter. Here's how to diagnose bad ice in a UC-15I ice maker and how the genuine OEM 7042803 filter fixes it.