LG LFXS28968S Refrigerator Problems & Error Codes — Overview
The LG LFXS28968S is a French-door refrigerator with a bottom freezer and an ice maker compartment prone to sensor and fan faults. The most frequent field issue is the IS or 15 error code, which points to the ice maker fan motor or a disconnected ice maker sensor. Ice buildup around the fan area, loose sensor connections, and defrost failures that allow frost to block airflow trigger most of the ice-system codes on this model.
Other documented codes include EID and EIU for ice maker sensor and assembly faults, dS for defrost sensor problems, rt for room temperature sensor issues, C1 for display-to-dispenser communication errors, and 22/33 for compressor relay trouble. Water supply restrictions, door seal leaks, and wiring corrosion also cause no-ice symptoms even when no code displays. Most repairs involve checking connections, clearing ice obstructions, and replacing the ice maker fan motor or sensors after verifying power and wiring.
Most Common Problems on This Model
- IS or 15 error code on display Ice maker fan motor has failed or the ice maker sensor connector is loose or disconnected, often after ice buildup blocks the fan or frost contaminates the sensor.
- Ice maker not producing ice (no error code) Water supply valve is closed, supply line is kinked or restricted, or the inlet flow is too low to fill the ice maker mold.
- Heavy frost or ice buildup in ice maker compartment Door gasket is worn or door is not closing fully, allowing warm air to enter and freeze, or the defrost sensor (dS code) has failed and the defrost cycle is not running.
- EID error code Freezer-compartment ice maker sensor has failed or its wiring is shorted or open.
- EIU error code Ice maker assembly in the freezer compartment has failed and needs replacement.
- C1 error code on display Communication harness between the LCD display and the dispenser control board is loose, corroded, or damaged.
- dS error code Defrost sensor is shorted or open, preventing the refrigerator from running proper defrost cycles and causing excessive frost.
- 22 or 33 error code Compressor relay has failed or is not engaging the compressor properly, requiring main control board or relay replacement.
Parts That Commonly Fail
| Part | Notes |
|---|---|
| Ice maker fan motor | Amazon | Fails from ice buildup or bearing wear, triggers IS/15 code |
| Ice maker sensor | Amazon | Connector comes loose or sensor fails, causes IS/15 or EID codes |
| Defrost sensor | Amazon | Goes open or shorted, triggers dS code and frost buildup |
| Door gasket | Amazon | Wears or tears, allows air leaks and frost formation |
Refrigerator Error Codes for This Model
These codes apply to this model line:
- Lg Refrigerator C1 error code
- Lg Refrigerator Cf error code
- Lg Refrigerator Co error code
- Lg Refrigerator Dh error code
- Lg Refrigerator Ds error code
- Lg Refrigerator Eid error code
- Lg Refrigerator Eiu error code
- Lg Refrigerator Ff error code
- Lg Refrigerator Fs error code
- Lg Refrigerator Gf error code
- Lg Refrigerator If error code
- Lg Refrigerator Is error code
When to Call a Pro
Call a technician if you see a CH E or E CH error code, which indicates a high-side refrigerant leak in the sealed system and requires EPA-certified refrigerant work. Also call for a 22 or 33 compressor relay code if you are not comfortable testing and replacing control boards or compressor components. If you have checked all wiring, cleared ice obstructions, verified water supply, and replaced the ice maker fan motor or sensors but the IS/15 or EID/EIU codes persist, the main control board may have failed and a pro with the correct part number and wiring diagram will save time. Any situation where you smell burning plastic, see arcing, or hear loud compressor noise requires immediate professional service.