LG LRFXS2503S how to replace the water filter
When the Replace indicator lights, about every six months, or when dispenser output drops.
You need
- Cloth
- Replacement cartridge LT1000P, LT1000P*, LT1000PC, LT1000PCS or ADQ747935**
Steps
- Take the top shelf out if it is in the highest position, by tilting up its front, lifting it and pulling it out.
- Pinch the sides to open the water filter cover.
- Pull the water filter downward and turn it counterclockwise, rotating it down completely, then pull it out of the manifold hole. Keep the filter upright and a cloth under the cover.
WARNING
Use of unauthorized water filters may result in product malfunction, water leakage or water quality issues, which will not be covered under the product warranty.
Marked WARNING by the manufacturer Source: Maintenance: Water Filter, p. 52
- Take the new filter out of its packing and remove the protective cover from the o-rings. With the filter tabs horizontal, push the filter into the manifold hole and turn it clockwise until it stops.
- Close the water filter cover until it clicks.
- On models with a water dispenser, dispense 2.5 gallons (10 liters), about 5 minutes, in cycles of 30 seconds on and 60 seconds off. On models without one, discard the first full bin of ice.
- Press and hold the Water Filter button for three seconds to reset the indicator light.
Source: Maintenance: Water Filter Source: Maintenance: Water Filter, pp. 52-54
Used for
- Water Filter icon or Replace indicator lit: The water filter is due for replacement, about every six months.
Other LRFXS2503S procedures
- 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 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.
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.