LG Refrigerator Not Cooling but Freezer Works
When the freezer stays cold but the fridge section warms up, the usual cause is a frosted-over or blocked evaporator fan or air damper.
Short answer: The most common causes, in order, are the ice maker's on/off arm or switch accidentally being bumped off, the freezer running too warm to freeze ice properly, and a frozen or blocked water supply line — all checkable without any tools.
1. Ice maker turned off
Most ice makers have an on/off switch or arm that's easy to bump accidentally while loading the freezer — this is the single most common cause of 'no ice' complaints.
2. Freezer temperature too warm
Ice makers typically need the freezer at 0–5°F (-18 to -15°C) to cycle properly; a freezer running warmer than that for food storage may still be too warm for consistent ice production.
3. Frozen or kinked water supply line
The thin water line feeding the ice maker can freeze at a cold spot or get kinked behind the fridge, blocking water from reaching the mold.
4. Clogged water inlet filter
Many GE refrigerators have a water filter that, when overdue for replacement, can restrict flow enough to slow or stop ice production.
Confirm the ice maker is switched on
Check the on/off arm or switch, since this is bumped off more often than people expect while loading groceries.
Check and adjust freezer temperature
Confirm the freezer reads 0–5°F (-18 to -15°C) with an independent thermometer, adjusting the control if needed and allowing 24 hours for it to stabilize.
Inspect the water line
Check for visible kinks in the line behind the fridge, and if you suspect freezing at a specific spot, a hair dryer on low heat can carefully thaw it (never use an open flame).
Replace the water filter
If it's overdue, replace the water filter, which can restore normal flow rate to the ice maker.
Safety warning
Never use an open flame to thaw a frozen water line. Unplug the refrigerator before doing any hands-on inspection near the water line connection point.Allow 24 hours for the freezer to reach its full operating temperature before expecting the ice maker to start producing consistently.
Yes — an overdue filter can restrict water flow enough to slow or stop ice production even if taste and clarity seem unaffected.
Yes — mineral buildup from hard water can gradually narrow the water line and inlet valve, which is another reason regular filter changes and occasional line checks help.
Home Solutions Editorial Team
Reviewed against manufacturer documentation. Updated August 6, 2026. How we write guides
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