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Refrigerator Ice Maker Not Working: Causes and Fixes

An ice maker that stops usually has a frozen fill tube, a closed or kinked water line, a clogged water filter, or freezer temperatures too warm to freeze cubes (needs ≤ 0°F / -18°C). Thaw the fill tube, confirm water supply, and change the filter.

What to Check First

  1. 1

    Confirm freezer temperature is at or below 0°F (-18°C) — warmer than that and cubes won't form.

  2. 2

    Check the water filter — an overdue filter chokes flow; replace it and confirm the supply valve is open.

  3. 3

    Thaw a frozen fill tube (the small tube feeding the mold) with warm water or a hair dryer.

  4. 4

    Make sure the ice maker's wire/feeler arm or the on/off switch is in the ON position.

  5. 5

    Listen for the fill valve buzzing during the fill — a dead valve means no water reaches the mold.

Error Codes for This Problem, by Brand

If your refrigerator is showing an error code along with this symptom, find your brand below — each code links to its full fix guide.

Frequently Asked Questions

Why did my refrigerator ice maker stop making ice? +
Common causes: a frozen fill tube, a clogged or overdue water filter, a closed supply valve, or freezer temperature too warm (must be ≤ 0°F). Thaw the fill tube, change the filter, and confirm the supply.
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