Refrigerator Not Making Ice

Quick answer

If your refrigerator isn't making ice, check the water supply line for kinks or blockages, ensure the ice maker is turned on, and verify the freezer temperature is at or below 0°F. Defrost the freezer if necessary.

Confirm the symptom

• Ice maker not dispensing ice
• No new ice cubes forming in the tray
• Water supply line to the ice maker is frozen or kinked
• Freezer temperature is above 0°F
• Ice maker is turned off or disconnected

Tools and prep

• Screwdriver (flathead or Phillips, depending on model)
• Flashlight for inspecting components
• Bucket for water collection during defrosting
• Clean cloth or towel
• Multimeter (optional, for testing water valve)
• Owner's manual for specific model instructions
• Turn off power to the refrigerator before inspecting electrical components

Step-by-step troubleshooting

1. Check Water Supply
   Do: Inspect the water supply line for kinks or blockages. Ensure the water shutoff valve under the sink is fully open.
   Observe: Water flows freely from the supply line.
   Means: The water supply is not obstructed.
   Next: If water is not flowing, clear the blockage or adjust the shutoff valve.
2. Verify Ice Maker Settings
   Do: Locate the ice maker switch or button on the freezer wall. Ensure it is in the 'On' position.
   Observe: The ice maker switch is activated and the indicator light is on.
   Means: The ice maker is enabled and ready to produce ice.
   Next: If the switch is off, turn it on and wait 24 hours for ice production to resume.
3. Check Freezer Temperature
   Do: Use a thermometer to measure the freezer temperature. It should be at or below 0°F.
   Observe: Freezer temperature is within the recommended range.
   Means: The freezer is cold enough for ice production.
   Next: If the temperature is too high, adjust the temperature control and monitor over the next 24 hours.
4. Inspect for Ice Buildup
   Do: Open the freezer and look for excessive ice buildup on the walls or back of the freezer.
   Observe: No significant ice buildup is present.
   Means: The defrost system is functioning properly.
   Next: If there is heavy ice buildup, initiate a manual defrost by turning off the refrigerator and allowing ice to melt.
5. Test Water Inlet Valve
   Do: Turn off the power to the refrigerator. Locate the water inlet valve and use a multimeter to test for continuity.
   Observe: The multimeter shows continuity, indicating the valve is working.
   Means: The water inlet valve is operational.
   Next: If there is no continuity, the water inlet valve may need to be replaced.
6. Check Ice Maker Components
   Do: Inspect the ice maker arm or sensor to ensure it is not stuck in the 'off' position. Clean any debris or ice from the sensor or arm.
   Observe: The ice maker arm or sensor moves freely and is clean.
   Means: The ice maker can detect when to harvest ice.
   Next: If the arm or sensor is damaged, consult the owner's manual for replacement instructions.
7. Reset the Ice Maker
   Do: Turn off the ice maker and unplug the refrigerator for 5 minutes. Plug it back in and turn the ice maker back on.
   Observe: The ice maker restarts and begins producing ice.
   Means: The reset resolved a temporary malfunction.
   Next: If the ice maker still doesn't work, further diagnosis or professional help may be needed.

Common causes

Parts matching

Common parts needed for a refrigerator not making ice include:

• Water inlet valve for water supply issues
• Defrost timer or heater for defrost system problems
• Ice maker sensor or arm for mechanical issues
• Wiring harness or control board for electrical faults

Always refer to your refrigerator's owner's manual for part numbers and compatibility before purchasing replacement parts.

When to call a professional

• If the water supply line is frozen and you cannot locate or clear the blockage
• If the defrost system is faulty and you are unsure how to replace the timer or heater
• If the water inlet valve shows no continuity and you are not comfortable replacing it yourself
• If the ice maker sensor or arm is damaged and you need assistance with replacement
• If the issue persists after following all troubleshooting steps and you suspect an electrical fault

FAQ

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