LG bottom-freezer refrigerator error codes:

Reference Model: None

These error code explanations can help you diagnose a problem with your LG bottom-freezer refrigerator.

Error codes appear on the control panel display when the electronic control board detects component failures. When an error code appears:

1) Match the error code on your refrigerator with the error code in the chart below.

2) Make sure that the condition listed with the error code is the same as the symptom(s) shown by your refrigerator.

3) Read the DIY advice to learn how to troubleshoot the issue and determine the problem part.

4) Follow repair guide instructions (if listed) to fix the broken part.


Code Meaning Possible Cause Possible Parts
Er FS Freezer sensor error Sensor and wiring connector problems Thermistor (temperature sensor), Wiring harness, Power control board (PCB)
Er rS Refrigerator sensor error Sensor and wiring and connectors Thermistor (temperature sensor), Wiring harness, Main power control board (PCB)
F dS Freezer defrost sensor Sensor short or wiring problem Controller assembly, which is a component that has the defrost thermistor (temperature sensor) and the fuse for the defrost system
r dS Refrigerator defrost sensor Sensor short or wiring problem Controller assembly, which is a component that has the defrost thermistor (temperature sensor) and the fuse for the defrost system
Er HS Humidity sensor Sensor short or wiring problem Humidity sensor
Er IS Ice maker sensor Sensor short or wiring problem Ice maker assembly; the sensor isn't usually sold separately
Er SS Pantry sensor The pantry is the deli drawer. Short in sensor or wiring problem Pantry temperature sensor
Er rt Room temperature sensor Short in sensor or wiring problem Room temperature sensor
Er It System error inside ice maker Self-test ice maker routine Ice maker assembly
Er gF Flow meter error code Water pressure, flow of water Flow meter
F dH Sensor did not get over 40 F in defrost Faulty fuse, heater, control board Controller assembly, defrost heater, relay on control board
r dH Sensor did not get over 40 F Faulty fuse, heater, control board Controller assembly, defrost heater, relay on control board
Er IF The fan for the ice compartment failed Icing fan blocked, ice fan motor is defective, wiring in the circuit is defective, or the control board has failed Ice fan motor, Wiring harness, Power control board (PCB)
Er FF Evaporator fan failed Fan motor, control board, wiring harness Evaporator fan motor, Power control board, Wiring harness
Er CF Condenser fan motor is defective Condenser fan motor, wiring or the control board Condenser fan motor, Power control board, Wiring harness
Er CO Communication error Communication error between main board and display board Display control board, Power control board, Wiring harness
E Od Wi-Fi modem failure Unplug the refrigerator and check the wiring connection between the Wi-Fi modem and the display control board. Reconnect any loose wires. If wiring connections are okay, replace the Wi-Fi modem. If the problem continues, replace the display control board Wi-Fi modem, display control board
Er FF Freezer compartment evaporator fan failure Unplug the refrigerator and check the wiring connection between the freezer evaporator fan and the main control board. Reconnect any loose wires. If wiring connections are okay, replace the freezer evaporator fan. If the problem continues, replace the main control board Freezer evaporator fan, main control board
E rF Refrigerator compartment evaporator fan failure Unplug the refrigerator and check the wiring connection between the refrigerator evaporator fan and the main control board. Reconnect any loose wires. If wiring connections are okay, replace the refrigerator evaporator fan. If the problem continues, replace the main control board Refrigerator evaporator fan, main control board
E ID Freezer compartment ice maker sensor failure Unplug the refrigerator and check the wire harness connections from the freezer compartment ice maker to the main control board. Reconnect any loose wires. If wire harness connections are okay, replace the freezer compartment ice maker. If the problem continues, replace the main control board Freezer compartment ice maker, main control board
E IU Freezer compartment ice maker assembly failure Unplug the refrigerator and check the wire harness connections from the freezer compartment ice maker to the main control board. Reconnect any loose wires. If wire harness connections are okay, replace the freezer compartment ice maker. If the problem continues, replace the main control board Freezer compartment ice maker, main control board

LG Refrigerator Repair and Maintenance Parts

Related Links

  1. LG Refrigerator Light Bulb WPA3073101
  2. LG Refrigerator Spring MHY62044106
  3. LG Refrigerator Water Filter ADQ36006101
  4. LG Refrigerator Door Switch 6600JB1010A