LG LRFXS2503S and LFXS26973S French door refrigerators
- Category
- Refrigerators
- Model number
- LRFXS2503S, LFXS26973S
- Region
- United States and Canada
- Verified
- Error OFF
- Error sb
- Water Filter icon or Replace indicator lit
- Replace Filter icon (Fresh Air Filter)
- Lock icon lit
- Grid text lit
- Refrigerator is not cooling
- Frost or ice crystals on frozen food
- Ice maker is not making ice
- Ice is not dispensing from the door
- Water is not dispensing
- Doors do not close correctly or pop open
- Interior lights do not work
- How to set the refrigerator and freezer temperature
- How to turn off Display Mode (store display)
- How to turn Sabbath mode on or off
- How to turn the icemaker on or off
- How to replace the water filter
- How to replace the Fresh Air Filter
- How to level the refrigerator and align the doors
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Error codes
| Code | Meaning | Checks |
|---|---|---|
| OFF | Display Mode is on. Display Mode, meant for store use, switches off cooling in the refrigerator and freezer sections; the display stays lit for 20 seconds when it is activated. | Checks |
| sb | Sabbath mode is on. The refrigerator keeps cooling while the alarm functions, the dispenser and InstaView are switched off. | Checks |
| Water Filter icon or Replace indicator lit | The water filter is due for replacement, about every six months. | Checks |
| Replace Filter icon (Fresh Air Filter) | The Fresh Air Filter is due for replacement, about every six months. | Checks |
| Lock icon lit | The lock function disables every other button on the display. | Checks |
| Grid text lit | The refrigerator is responding to a Demand Response message from the electric company. | Checks |
OFF
The display shows OFF and nothing is cooling. Display Mode is on. Display Mode, meant for store use, switches off cooling in the refrigerator and freezer sections; the display stays lit for 20 seconds when it is activated.
- Turn off Display Mode. See Turn off Display Mode (store display).
Source Source: Operation: Display Mode; Troubleshooting: FAQs, pp. 32, 57
sb
The display shows sb and the buttons do not respond. Sabbath mode is on. The refrigerator keeps cooling while the alarm functions, the dispenser and InstaView are switched off.
- Turn off Sabbath mode. See Turn Sabbath mode on or off.
Source Source: Operation: Sabbath Mode; Troubleshooting: FAQs, pp. 35, 57
Water Filter icon or Replace indicator lit
The Water Filter icon or the Replace indicator on the control panel is lit. The water filter is due for replacement, about every six months.
- Replace the water filter and reset the indicator. See Replace the water filter.
Source Source: Operation: Control Panel (Water Filter); Maintenance: Replacing the Water Filter, pp. 31, 53
Replace Filter icon (Fresh Air Filter)
The air filter replacement icon is lit. The Fresh Air Filter is due for replacement, about every six months.
- Replace the Fresh Air Filter with replacement filter LT120F. See Replace the Fresh Air Filter.
Source Source: Operation: Control Panel (Fresh Air Filter); Maintenance: Air Filter, pp. 31, 51-52
Lock icon lit
The Lock icon is lit and the buttons and dispenser do not respond. The lock function disables every other button on the display.
- Press and hold the Lock button for about three seconds to unlock it.
Source Source: Operation: Control Panel (Lock); Troubleshooting: Ice, pp. 31, 62
Grid text lit
The Grid text on the display is lit. The refrigerator is responding to a Demand Response message from the electric company.
- Press the Smart Grid button to turn the function off.
Problems
- Refrigerator is not cooling4 causes in the manual. First: the display shows OFF because Display Mode is on.
- Frost or ice crystals on frozen food4 causes in the manual. First: frost outside the package comes from doors opened often or for long periods.
- Ice maker is not making ice6 causes in the manual. First: the refrigerator was installed or the icemaker connected within the last 24 hours.
- Ice is not dispensing from the door4 causes in the manual. First: the dispenser display is locked.
- Water is not dispensing4 causes in the manual. First: A new installation, a newly connected water line or a recently replaced water filter has trapped air in the system.
- Doors do not close correctly or pop open3 causes in the manual. First: food packages are blocking a door open.
- Interior lights do not workLED interior lighting failure in the refrigerator compartment.
Interior lights do not work
LED interior lighting failure in the refrigerator compartment. Source: Troubleshooting: Before Calling for Service > Parts & Features, p. 64
How-to
- How to set the refrigerator and freezer temperatureTo change the target temperature on a model with a Wi-Fi control panel.
- How to turn off Display Mode (store display)When the display shows OFF and the refrigerator is not cooling.
- How to turn Sabbath mode on or offWhen the display shows sb, or to use the refrigerator on the Sabbath and holidays.
- How to turn the icemaker on or offBefore the water line is connected, before leaving home, or after the icemaker was switched off.
- How to replace the water filterWhen the Replace indicator lights, about every six months, or when dispenser output drops.
- How to replace the Fresh Air FilterWhen the air filter icon lights, or about every six months.
- How to level the refrigerator and align the doorsWhen the refrigerator seems unsteady, a door closes poorly, or the doors are uneven.
Maintenance
| Task | When | Source |
|---|---|---|
| Replace the water filter | About every six months, or when the Replace indicator lights | Source: Maintenance: Water Filter, p. 53 |
| Replace the Fresh Air Filter | About every six months, or when the air filter icon lights | Source: Maintenance: Air Filter, p. 51 |
| Vacuum the condenser cover and vents; do not remove the panel over the condenser coils | Source: Maintenance: Cleaning > Condenser Coils, p. 51 |
Settings
| Setting | Options | Default | Notes | Source |
|---|---|---|---|---|
| Refrigerator temperature | 33 °F to 46 °F (1 °C to 8 °C) or 33 °F to 43 °F (1 °C to 7 °C), depending on the model | 37 °F (3 °C) | Source: Operation: Control Panel, p. 30 | |
| Freezer temperature | -6 °F to 8 °F (-21 °C to -13 °C) or -7 °F to 5 °F (-23 °C to -15 °C), depending on the model | 0 °F (-18 °C) | Source: Operation: Control Panel, p. 30 | |
| Fresh Air Filter mode | Auto, Power | Auto cycles the filter 10 minutes on and 110 minutes off. Power runs it for four hours at 10 minutes on and 5 minutes off, then returns to Auto. | Source: Operation: Control Panel (Fresh Air Filter), p. 31 | |
| Craft Ice mode | 3 ICE, 6 ICE | 6 ICE gives more ice; 3 ICE gives clearer ice. Hold the Freezer button 3 seconds to change it (some models). | Source: Operation: Changing the Craft Ice Mode, pp. 31-32 |
Parts and consumables
| Item | Part number | Replace or refill | Specification | Source |
|---|---|---|---|---|
| Water filter cartridge | LT1000P | About every six months | LG lists LT1000P, LT1000P*, LT1000PC, LT1000PCS and ADQ747935** as replacement cartridges. | Source: Maintenance: Water Filter, p. 53 |
| Fresh Air Filter | LT120F | About every six months | Replacement air filter. | Source: Maintenance: Air Filter, p. 52 |
Specifications
French door refrigerators with a bottom freezer. The manual lists LRFXS2503* at 262 lb (119 kg) and LFXS26973* at 282 lb (128 kg) net weight, both in its Wi-Fi table. It also covers LRFXS2513*, LRFDS2503* and LRFVS2503* with Wi-Fi and LRFNS2503* without Wi-Fi among its 17 model prefixes. Source: Product Overview: Product Specifications, p. 12
The Wi-Fi control panel comes in two layouts, Type A and Type B, with different Display Mode key sequences. Models without Wi-Fi in the same manual have exterior and interior panels with different button sets. Source: Operation: Control Panel, pp. 30-35
| Electrical requirements | 115 V, 60 Hz | Source: Product Specifications, p. 12 |
|---|---|---|
| Water pressure | 20 to 120 psi (138 to 827 kPa) | Source: Product Specifications, p. 12 |
| Default temperatures | Refrigerator 37 °F (3 °C), freezer 0 °F (-18 °C) | Source: Operation: Control Panel, p. 30 |
| Temperature ranges | Freezer -6 °F to 8 °F (-21 °C to -13 °C) or -7 °F to 5 °F (-23 °C to -15 °C); refrigerator 33 °F to 46 °F (1 °C to 8 °C) or 33 °F to 43 °F (1 °C to 7 °C), depending on the model | Source: Operation: Control Panel, p. 30 |
| Icemaker start-up | A new refrigerator takes about 12 to 24 hours to start making ice; the freezer icemaker starts about 48 hours after installation | Source: Operation: Automatic Icemaker, p. 38 |
Recalls
No exact-model match for LRFXS2503S, LFXS26973S 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: Maintenance: Water Filter, p. 54
Sources
- Owner's Manual, French Door Refrigerator LRFXS2503, LFXS26973 and related models. LG Electronics Inc. Document MFL67227321, revision Rev.01, 2026-06-22, 76 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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