LG refrigerators are renowned for their innovative features and reliability. However, like any appliance, they may encounter issues over time, leading to various error codes. This article serves as a one-stop solution, providing detailed information about all possible error codes for LG refrigerators, their meanings, and troubleshooting steps.

LG Refrigerator Error Codes

Error Code Meaning Cause Possible Fix
EFS Freezer Sensor Short-Circuit or Disconnection Faulty wiring or sensor Check wiring and replace the sensor if damaged.
ErS Refrigerator Sensor Short-Circuit or Disconnection Faulty wiring or sensor Inspect wiring and replace the sensor if necessary.
ESS Pantry Sensor Short-Circuit or Disconnection Faulty wiring or sensor Examine connections and replace the sensor if needed.
EIS Ice-Room Sensor Short-Circuit or Disconnection Faulty wiring or sensor Inspect the ice-room sensor connections and replace if necessary.
FdS Freezer Defrosting Sensor Short-Circuit or Disconnection Faulty wiring or sensor Check connections and replace the defrosting sensor if faulty.
Ert Room Temperature Sensor Short-Circuit or Disconnection Faulty wiring or sensor Inspect wiring and replace the sensor if damaged.
EHS Humidity Sensor Short-Circuit or Disconnection Faulty wiring or sensor Check connections and replace the humidity sensor if needed.
EId Freezer Cubed Ice Maker Sensor Short-Circuit or Disconnection Faulty wiring or sensor Inspect the wiring and replace the sensor if necessary.
EIO Cubed Mini Ice Maker Sensor Short-Circuit or Disconnection Faulty wiring or sensor Check connections and replace the sensor if damaged.
EIt Ice Maker Motor Malfunction Faulty ice maker motor Inspect and replace the ice maker motor if needed.
EIF Cubed Mini Ice Maker Motor Malfunction Faulty cubed mini ice maker motor Check the motor for issues and replace if necessary.
EIC Another Cubed Mini Ice Maker Motor Malfunction Faulty motor Inspect and replace the motor as needed.
EgF Flow Meter Malfunction or Lack of Water Supply Clogged water line or faulty flow meter Check the water supply line for clogs and inspect the flow meter.
FdH Defrosting Sensor Not Reaching 40°F (5°C) Within 80 Minutes Defrost system failure Check the defrosting system for issues and repair as needed.
EFF No Feedback Signal from Freezer Fan Motor for More Than 65 Seconds Faulty fan motor Inspect the fan motor and its connections. Replace if necessary.
EIF No Feedback Signal from Ice Maker Fan Motor for More Than 65 Seconds Faulty ice maker fan motor Check connections and replace the fan motor if needed.
ECF No Feedback Signal from Mechanic Room Fan Motor for More Than 65 Seconds Faulty mechanic room fan motor Inspect the fan motor and connections. Replace if necessary.
ECO Communication Error Between Main MICOM and Display MICOM Wiring issues Check wiring and connections between the two MICOMs. Reset if needed.
ESd Communication Error Between Main MICOM and Sub MICOM Wiring issues Inspect wiring and connections. Reset the MICOMs if necessary.
EO Defect of Wi-Fi Modem, Communication Error Faulty Wi-Fi modem Check the Wi-Fi connection and replace the modem if damaged.
ECH High Side Refrigerant Leak Detected Refrigerant leak Inspect the refrigerant system for leaks and repair as necessary.
ECL Low Side Refrigerant Leak Detected Refrigerant leak Check for leaks in the low-pressure side and address any issues.
rdS Short or Disconnection of Defrost Sensor Faulty wiring or sensor Check connections and wiring. Replace the sensor if damaged.
ErF Feedback Signal Not Over 65 Seconds During BLDC FAN Motor Operating Faulty fan motor Inspect the fan motor and connections, replacing if necessary.
EUC Bad UV LED Module or Poor Connection Faulty UV Nano LED module Check connections and replace the module if faulty.
Elt Ice Maker Step Motor Fault Faulty step motor Inspect the motor and replace if damaged.
ett Water Tank Not Assembled Correctly Improper assembly Reassemble the water tank correctly and check the switch.
EdS Short or Disconnection of Defrosting Sensor Faulty wiring or sensor Inspect and replace the defrosting sensor if necessary.
ECS Short or Disconnection of Pantry Sensor Faulty wiring or sensor Check wiring and replace the pantry sensor if needed.
Ead Auto Door Module Connection Error Hall sensor or motor connection error Inspect connections and wiring. Replace components as necessary.
EdL Auto Drawer Module Connection Error – Left Left auto drawer module connection issue Check connections and replace the module if necessary.
Edr Auto Drawer Module Connection Error – Right Right auto drawer module connection issue Inspect connections and replace the module if needed.
IdS Ice Maker Sensor Error Faulty sensor Check the ice maker sensor and replace if necessary.
Auto-Close Auto-Close Function Error Door misalignment or mechanical failure Adjust door alignment and check the auto-close mechanism.

Understanding LG Refrigerator Error Codes

LG refrigerator error codes are alphanumeric indicators that provide insights into potential malfunctions. These codes help users identify issues quickly, facilitating timely repairs and maintenance. Below is a list of error codes along with their meanings and troubleshooting tips.

Error Codes Related to Sensors

EFS: Freezer Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the freezer sensor.
  • Troubleshooting: Check the wiring and connections to the freezer sensor. Replace the sensor if damaged.

ErS: Refrigerator Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the refrigerator sensor.
  • Troubleshooting: Inspect the wiring and connections for damage or disconnection. Replace the sensor if necessary.

ESS: Pantry Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the pantry sensor.
  • Troubleshooting: Examine the pantry sensor connections and wiring. Replace the sensor if faulty.

EIS: Ice-Room Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the ice-room sensor.
  • Troubleshooting: Inspect the ice-room sensor for any disconnections or damage. Replace if needed.

FdS: Freezer Defrosting Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the freezer defrosting sensor.
  • Troubleshooting: Check connections and replace the defrosting sensor if faulty.

Ert: Room Temperature Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the room temperature sensor.
  • Troubleshooting: Inspect the wiring and connections. Replace the sensor if damaged.

EHS: Humidity Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the humidity sensor.
  • Troubleshooting: Check the connections and wiring. Replace the sensor if necessary.

EId: Freezer Cubed Ice Maker Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the cubed ice maker sensor.
  • Troubleshooting: Inspect the wiring and replace the sensor if damaged.

EIO: Cubed Mini Ice Maker Sensor Short-Circuit or Disconnection

  • Meaning: Indicates a short-circuit or disconnection of the Cubed Mini ice maker sensor.
  • Troubleshooting: Check the wiring and connections. Replace if needed.

Error Codes Related to Ice Makers

EIt: Ice Maker Motor Malfunction

  • Meaning: Indicates a malfunction of the ice maker motor.
  • Troubleshooting: Inspect the ice maker motor for damage and replace it if faulty.

EIU: Cubed Mini Ice Maker Motor Malfunction

  • Meaning: Indicates a malfunction of the Cubed Mini ice maker motor.
  • Troubleshooting: Check the motor for issues and replace if necessary.

EIC: Another Cubed Mini Ice Maker Motor Malfunction

  • Meaning: Indicates a malfunction of another motor related to the Cubed Mini ice maker.
  • Troubleshooting: Inspect and replace the motor as needed.

EgF: Flow Meter Malfunction or Lack of Water Supply

  • Meaning: Indicates a malfunction of the flow meter or insufficient water supply.
  • Troubleshooting: Check the water supply line for clogs or kinks. Ensure the flow meter is functioning properly.

Error Codes Related to Defrosting and Feedback Signals

FdH: Defrosting Sensor Not Reaching 40°F (5°C) Within 80 Minutes

  • Meaning: Indicates that the defrosting sensor has not reached the required temperature within the specified time.
  • Troubleshooting: Check the defrosting system for issues and ensure proper operation.

EFF: No Feedback Signal from Freezer Fan Motor for More Than 65 Seconds

  • Meaning: Indicates a lack of feedback from the BLDC fan motor for the freezer.
  • Troubleshooting: Inspect the fan motor and its connections. Replace the motor if faulty.

EIF: No Feedback Signal from Ice Maker Fan Motor for More Than 65 Seconds

  • Meaning: Indicates a lack of feedback from the fan motor for the ice maker.
  • Troubleshooting: Check the connections and replace the fan motor if needed.

ECF: No Feedback Signal from Mechanic Room Fan Motor for More Than 65 Seconds

  • Meaning: Indicates a lack of feedback from the fan motor in the mechanic room.
  • Troubleshooting: Inspect the fan motor and connections. Replace if necessary.

Communication Error Codes

ECO: Communication Error Between Main MICOM and Display MICOM

  • Meaning: Indicates a communication error between the main MICOM and the display MICOM.
  • Troubleshooting: Check wiring and connections between the two MICOMs. Reset the system if needed.

ESd: Communication Error Between Main MICOM and Sub MICOM

  • Meaning: Indicates a communication error between the main MICOM and the sub MICOM.
  • Troubleshooting: Inspect wiring and connections. Reset the MICOMs if necessary.

EO: Defect of Wi-Fi Modem, Communication Error

  • Meaning: Indicates a defect in the Wi-Fi modem, leading to communication errors.
  • Troubleshooting: Check the Wi-Fi connection and replace the modem if damaged.

ECH: High Side Refrigerant Leak Detected

  • Meaning: Indicates a refrigerant leak on the high side or other issues.
  • Troubleshooting: Inspect the refrigerant system for leaks and repair as necessary.

ECL: Low Side Refrigerant Leak Detected

  • Meaning: Indicates a refrigerant leak on the low side or other issues.
  • Troubleshooting: Check for leaks in the low-pressure side and address any issues.

Additional Error Codes

rdS: Short or Disconnection of Defrost Sensor

  • Meaning: Indicates a short or disconnection of the defrost sensor.
  • Troubleshooting: Check connections and wiring. Replace the sensor if damaged.

ErF: Feedback Signal Not Over 65 Seconds During BLDC FAN Motor Operating

  • Meaning: Indicates an issue with the BLDC fan motor in the refrigerator.
  • Troubleshooting: Inspect the fan motor and connections, replacing if necessary.

EUC: Bad UV LED Module or Poor Connection

  • Meaning: Indicates an issue with the UV Nano LED module or its connections.
  • Troubleshooting: Check connections and replace the module if faulty.

Elt: Ice Maker Step Motor Fault

  • Meaning: Indicates a fault in the ice maker step motor.
  • Troubleshooting: Inspect the motor and replace if damaged.

Ett: Water Tank Not Assembled Correctly

  • Meaning: Indicates that the water tank is not assembled correctly or a switch error.
  • Troubleshooting: Reassemble the water tank properly and check the switch.

EdS: Short or Disconnection of Defrosting Sensor

  • Meaning: Indicates a short or disconnection of the defrosting sensor.
  • Troubleshooting: Inspect and replace the defrosting sensor if necessary.

ECS: Short or Disconnection of Pantry Sensor

  • Meaning: Indicates a short or disconnection of the pantry sensor.
  • Troubleshooting: Check the wiring and connections. Replace the pantry sensor if needed.

Ead: Auto Door Module Connection Error

  • Meaning: Indicates an error related to the hall sensor or motor connection in the auto door module.
  • Troubleshooting: Inspect connections and wiring. Replace components as necessary.

EdL: Auto Drawer Module Connection Error – Left

  • Meaning: Indicates a problem with the left auto drawer module connection.
  • Troubleshooting: Check the connections and replace the module if necessary.

Edr: Auto Drawer Module Connection Error – Right

  • Meaning: Indicates a problem with the right auto drawer module connection.
  • Troubleshooting: Inspect connections and replace the module if damaged.

COE: Communication Error Between Main PCB and Display MICOM

  • Meaning: Indicates a communication error between the main PCB and display MICOM.
  • Troubleshooting: Check wiring and reset the system if necessary.

2: Refrigerator Sensor Error – Blinking 3 Times

  • Meaning: Indicates a short or open circuit in the refrigerator room temperature sensor.
  • Troubleshooting: Inspect the sensor and wiring, replacing as needed.

3: Defrost Sensor Error – Blinking 1 Time

  • Meaning: Indicates a short or open circuit in the defrost temperature sensor.
  • Troubleshooting: Check connections and replace the defrost sensor if necessary.

4: Room Temperature Sensor Error – Blinking 5 Times

  • Meaning: Indicates a short or open circuit in the ambient temperature sensor.
  • Troubleshooting: Inspect the sensor and wiring, replacing if damaged.

5: Defrost Failure – Blinking 4 Times

  • Meaning: Indicates that the defrost operated for 2 hours without exceeding 13°C.
  • Troubleshooting: Check the defrosting system and repair as needed.

6: Knob Dial Error – Blinking 2 Times

  • Meaning: Indicates a short or open circuit in the knob dial resistance.
  • Troubleshooting: Inspect the knob and replace if faulty.

7: Freezer Sensor Error – Blinking 3 Times

  • Meaning: Indicates a short or open circuit in the freezer temperature sensor.
  • Troubleshooting: Check wiring and replace the freezer sensor if necessary.

8: Auto-Close Error – Blinking 1 Time

  • Meaning: Indicates an issue with the auto-close function of the door.
  • Troubleshooting: Check door alignment and auto-close mechanism.

Conclusion

Understanding the error codes associated with your LG refrigerator can greatly enhance your troubleshooting abilities, allowing you to address issues promptly. Whether it’s a sensor problem or a communication error, knowing the meanings of these codes and the corresponding troubleshooting steps can save you time and money. Always consult your user manual for specific information related to your refrigerator model, and consider contacting a professional technician for persistent issues. By staying informed, you can ensure your LG refrigerator remains in optimal working condition for years to come.