LG LTCS24223S top freezer refrigerator
- Category
- Refrigerators
- Model number
- LTCS24223S
- Region
- United States and Canada
- Verified
- OFF light lit
- Filter Exchange indicator lit
- Refrigerator and freezer sections are not cooling
- Lights do not work
- Vibration or rattling noise
- Cooling system runs too much
- Doors will not close completely
- Frost or ice crystals on frozen food
- Ice has a bad taste or odor
- Icemaker is not producing ice or not enough ice
- Refrigerator or freezer section is too cold
- Temperature is too warm or there is interior moisture buildup
- The doors are difficult to open
- Frozen food in the refrigerator compartment
- How to adjust the refrigerator and freezer temperature
- How to turn off Demo Mode (store display mode)
- How to turn the icemaker on or off
- How to replace the water filter
- How to level the refrigerator
- How to align the refrigerator and freezer doors
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Indicator lights
| Indicator | Meaning | Checks |
|---|---|---|
| OFF light lit | Demo Mode is on. It disables the cooling system, and only the lamps and display work normally. | Checks |
| Filter Exchange indicator lit | The water filter is due for replacement, about every 6 months. | Checks |
OFF light lit
The OFF light on the refrigerator control panel is lit and the refrigerator is not cooling. Demo Mode is on. It disables the cooling system, and only the lamps and display work normally.
- Turn off Demo Mode. See Turn off Demo Mode (store display mode).
Source Source: Using Your Refrigerator: Demo Mode; Troubleshooting Guide, pp. 13, 24
Filter Exchange indicator lit
The Filter Exchange indicator is lit. The water filter is due for replacement, about every 6 months.
- Replace the water filter. See Replace the water filter.
Source Source: Water Filter, p. 18
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.
- Icemaker is not producing ice or not enough ice10 causes in the manual. First: the refrigerator is newly 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.
Vibration or rattling noise
The refrigerator is not resting solidly on the floor. The floor may be weak or uneven, or the leveling legs need adjusting. Source: Troubleshooting Guide, p. 24
- Level the refrigerator. See Level the refrigerator.
Refrigerator or freezer section is too cold
The controls are not set correctly for the conditions. Source: Troubleshooting Guide, p. 26
- Raise the temperature setting one increment at a time, and wait 24 hours before making further adjustments.
Water in the defrost drain pan
The refrigerator is defrosting. The water evaporates, and it is normal for water to drip into the defrost pan. Source: Troubleshooting Guide, p. 25
It is more humid than normal. The water in the pan takes longer to evaporate, which is normal when it is hot or humid. Source: Troubleshooting Guide, p. 25
How-to
- How to adjust the refrigerator and freezer temperatureTo change the temperature. Set the refrigerator control to the middle setting, number 3, to start; the freezer control comes from the factory on number 3.
- How to turn off Demo Mode (store display mode)When the OFF light is lit and the refrigerator is not cooling.
- How to turn the icemaker on or offTo stop or restart ice making. Set the switch to OFF (O) when the water supply will be off for several hours, when the ice bin is removed for more than one or two minutes, or when the refrigerator will not be used for several days.
- How to replace the water filterWhen the Filter Exchange indicator turns on, about every 6 months, when the water dispenser output decreases, or when the ice cubes are smaller than normal.
- How to level the refrigeratorWhen the refrigerator seems unstable, vibrates, or the doors do not close easily. The front should sit slightly higher than the rear.
- How to align the refrigerator and freezer doorsWhen the space between the two doors is uneven.
Maintenance
| Task | When | Source |
|---|---|---|
| Replace the water filter | About every 6 months, or when the Filter Exchange indicator turns on | Source: Water Filter, p. 18 |
| Clean the refrigerator and freezer sections; both defrost automatically | Once a month | Source: Refrigerator Care and Cleaning, p. 19 |
| Clean the back cover; only a qualified technician should remove it | At least twice a year | Source: Refrigerator Care and Cleaning: Back Cover, p. 19 |
| Empty the ice bin whenever the icemaker switch is turned to OFF | Source: Using Your Refrigerator: Automatic Icemaker, p. 17 |
Settings
| Setting | Options | Default | Notes | Source |
|---|---|---|---|---|
| Refrigerator control | Five LED settings, 1 to 5 (on some models) | Middle setting, number 3 | The refrigerator control acts as the thermostat for the whole appliance. A higher number makes the compressor run longer to keep the temperature colder. | Source: Using Your Refrigerator: Adjusting the Controls, p. 13 |
| Freezer control | Knob, numbers 1 to 5 | Middle setting, number 3 | A higher number makes the freezer colder. The freezer control adjusts the cold air flow from the freezer to the refrigerator. | Source: Using Your Refrigerator: Adjusting the Controls; Adjusting Control Settings, pp. 13-14 |
Parts and consumables
| Item | Part number | Replace or refill | Specification | Source |
|---|---|---|---|---|
| Water filter | ADQ72910906 | About every 6 months | Replacement water filter for the left side of the refrigerator compartment, on models with a water filter. | Source: Water Filter, p. 18 |
Specifications
Top freezer refrigerator covered by LG's owner's manual MFL67527912-17 under the prefix LTCS24223*. The refrigerator section is adjusted with a TEMPERATURE ADJUST button and five LEDs, and the freezer with a dial; a water dispenser, automatic icemaker, pantry drawer and door alarm are marked as present on some models. Source: Cover; Using Your Refrigerator: Adjusting the Controls, pp. Cover, 13
| Electrical supply | 115 V, 60 Hz or 127 V, 60 Hz AC depending on the national rating, on its own grounded outlet fused at 15 or 20 A | Source: Important Safety Instructions: Recommended Grounding Method, p. 3 |
|---|---|---|
| Installation ambient temperature | 55 to 110 °F (13 to 43 °C) for 20.2 cu ft capacity models and 38 to 110 °F (3 to 43 °C) for 23.8 cu ft capacity models | Source: Refrigerator Installation: Installation, p. 5 |
| Water pressure | 20 to 120 psi (0.138 to 0.82 MPa) on models without a water filter; 40 to 120 psi (0.276 to 0.82 MPa) on models with a water filter | Source: Using Your Refrigerator: Automatic Icemaker; Connecting the Water Line, pp. 17, 21 |
| Icemaker output | About 100 to 130 cubes in 24 hours, with full production after 72 hours; the Troubleshooting Guide gives about 95 cubes in 24 hours when demand exceeds storage | Source: Using Your Refrigerator: Automatic Icemaker; Troubleshooting Guide, pp. 17, 26 |
| Compressor running time | About 40% to 80% of the time at a room temperature of 70 °F; the refrigerator should not be operated above 110 °F | Source: Troubleshooting Guide, p. 24 |
| Door alarm | On some models: if the refrigerator door stays open longer than 1 minute, an alarm sounds every 30 seconds until both refrigerator doors are closed. It cannot be deactivated. | Source: Door Alarm, p. 28 |
Recalls
No exact-model match for LTCS24223S in the U.S. Consumer Product Safety Commission recall database, checked . Recalls can name model families, so also check current recalls for LG.
Service 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
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.
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