LTCS24223S ice maker not working
Cause 1 of 10The refrigerator is newly installed. Source: Troubleshooting Guide, p. 26
First checkWait 12 to 24 hours after installation for ice production to begin, and 72 hours for full ice production.
Causes and checks
The refrigerator is newly installed. Source: Troubleshooting Guide, p. 26
- Wait 12 to 24 hours after installation for ice production to begin, and 72 hours for full ice production.
The refrigerator is not connected to a water supply or the supply shutoff valve is not turned on. Source: Troubleshooting Guide, p. 26
- Connect the refrigerator to the water supply and turn the shutoff valve fully open.
A reverse osmosis water filtration system on the cold water supply can reduce the water pressure below the minimum. Source: Troubleshooting Guide, p. 26
- Check the minimum water pressure in the Water Pressure section of the manual.
The water source line is kinked. Source: Troubleshooting Guide, p. 26
- Straighten the water source line.
Ice demand has exceeded storage capacity. Source: Troubleshooting Guide, p. 26
- Use the extra ice bucket in the freezer section for additional storage.
The icemaker is turned off. Source: Troubleshooting Guide, p. 26
- Turn the icemaker on. See Turn the icemaker on or off.
Foreign substances or frost are on the ice-detecting sensor. Source: Troubleshooting Guide, p. 26
- Keep the sensor area clean.
The freezer temperature setting is too warm. The recommended freezer temperature for normal ice production is 0 °F. Source: Troubleshooting Guide, p. 26
- Adjust the freezer control. See Adjust the refrigerator and freezer temperature.
The doors are opened often, so ambient air warms the refrigerator. Source: Troubleshooting Guide, p. 26
- Open the doors less often, and lower the refrigerator temperature.
The doors are not closing properly. Source: Troubleshooting Guide, p. 26
- Check why the doors will not close completely. See Doors will not close completely.
All 10 causes checked. Contact LG Electronics Customer Information Center: 1-800-243-0000.
Service
If the checks above do not clear it, contact LG Electronics Customer Information Center: 1-800-243-0000, lg.com/us/support/. United States; Canada 1-888-542-2623. Source: Limited Warranty: To obtain warranty service, p. 29
Other LTCS24223S problems
- Refrigerator and freezer sections are not cooling5 causes in the manual. First: the power supply cord is unplugged.
- Lights do not work2 causes in the manual. First: the power supply cord is unplugged.
- Vibration or rattling noiseThe refrigerator is not resting solidly on the floor. The floor may be weak or uneven, or the leveling legs need adjusting.
- Cooling system runs too much7 causes in the manual. First: the refrigerator replaced an older model. Modern refrigerators need more operating time but use less energy.
- Doors will not close completely6 causes in the manual. First: the refrigerator is not level.
- Frost or ice crystals on frozen food2 causes in the manual. First: the door is not closing properly.
- Ice has a bad taste or odor6 causes in the manual. First: the icemaker was recently installed.
- Refrigerator or freezer section is too coldThe controls are not set correctly for the conditions.
- Temperature is too warm or there is interior moisture buildup8 causes in the manual. First: the air vents are blocked. Cold air circulates from the freezer to the fresh food section through vents in the dividing wall.
- The doors are difficult to open2 causes in the manual. First: the gaskets are dirty or sticky.
- Frozen food in the refrigerator compartment3 causes in the manual. First: the temperature control in the refrigerator compartment is set too cold.
Sources
- Owner's Manual, Top Freezer Refrigerator LTCS20220, LTNS20220, LTCS20120, LTWS24223, LTCS20020, LTCS20030, LTCS20040, LTCS24223, GT66BP, GT58BP, GT57BP, LT57BPSX, LRTLS2403, LHTNS2403. LG Electronics Inc. Document MFL67527912, revision P/No. MFL67527912-17, 100 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.