LG Freezers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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dH
Freezer displays dH or DH; unit may stop cooling and may show extended defrost time.
Defrost Heater Overrun / Defrost Error
E1
Freezer beeps and displays E1; temperature may be higher than normal and compressor may run continuously.
Freezer Compartment Sensor (Thermistor) Error
E2
Freezer displays E2 and may not maintain proper temperature; fan may run erratically.
Refrigerator Compartment Sensor Error (on combo units affecting freezer control)
E3
Freezer shows E3; defrost cycles may not occur properly, leading to frost buildup on the evaporator and poor cooling.
Defrost Sensor / Evaporator Sensor Error
E4
Freezer displays E4 and may not defrost properly; ice accumulates on evaporator and airflow is reduced.
Defrost Heater or Defrost Circuit Error
E5
Freezer shows E5; ice maker or ice room area may not cool correctly on models with separate ice room.
Ice Room / Ice Maker Compartment Sensor Error
E6
Freezer displays E6; communication between display/control panel and main PCB may be lost. Buttons may not respond.
Communication Error Between Display PCB and Main Control Board
E7
Freezer shows E7; ambient temperature readings may be incorrect, causing improper cooling cycles.
Ambient Temperature Sensor Error
E8
Freezer displays E8; fan noise may be abnormal or airflow may be weak. Frost may build up unevenly.
Evaporator Fan Motor Error
E9
Freezer shows E9; condenser fan may not run, cabinet sides may feel very hot, and cooling performance drops.
Condenser Fan Motor Error
Er 1F
Display shows Er 1F; ice fan error, similar to IF/Er IF, ice production issues.
Ice Fan Motor or Feedback Error
Er 67
Display shows Er 67; door switch or door open sensor error, interior lights or fans may not behave correctly.
Door Switch / Reed Sensor Error
Er CF
Display shows Er CF; condenser fan error, cabinet sides may be hot and cooling weak.
Condenser Fan Feedback Error
Er CO
Display shows Er CO; control panel may be unresponsive, lights may work but settings cannot be changed.
Communication Error Between Display and Main PCB
Er dH
Display shows Er dH; unit may stop cooling after a prolonged defrost attempt.
Defrost Heater Error (Exceeded Time Limit)
Er FF
Display shows Er FF; freezer fan error, freezer temperature rises, frost pattern abnormal.
Freezer Evaporator Fan Error
Er FS
Display shows Er FS; freezer sensor error, unit may not regulate freezer temperature correctly.
Freezer Sensor Circuit Error
Er HS
Display shows Er HS; humidity sensor error on models with humidity control, may affect frost patterns.
Humidity Sensor Error
Er IF
Display shows Er IF; ice fan error, ice production is poor or stopped.
Ice Fan Feedback Error
Er rS
Display shows Er rS; refrigerator sensor error that may cause overall cooling imbalance.
Refrigerator Sensor Circuit Error
F dS
Display shows F dS or FdS; freezer may overcool or undercool and defrost cycles may be abnormal.
Freezer Defrost Sensor Error
F1
Freezer shows F1; internal temperature may be too warm or fluctuate.
Freezer Temperature Sensor Out of Range
F2
Freezer displays F2; may enter or remain in defrost unexpectedly, or show erratic defrost behavior.
Defrost Sensor / Heater Feedback Error
IF
Freezer displays IF or IF E; ice maker fan is noisy or not running, ice production is reduced or stops.
Ice Maker Fan Motor Error
r dS
Display shows r dS; refrigerator defrost sensor error that can indirectly affect freezer performance.
Refrigerator Defrost Sensor Error
rF
Freezer (on combo units) shows rF; fresh food fan may be noisy or not running, affecting freezer airflow balance.
Refrigerator Compartment Fan Error
Symptom
Freezer door will not close properly or pops open after closing.
Door Alignment or Seal Interference
Symptom
Freezer drawers are difficult to open or close, or rails make grinding noises.
Drawer Rail or Slide Wear
Symptom
Freezer has a strong, unpleasant odor that persists even after removing spoiled food.
Odor Absorption in Liner and Air Ducts
Symptom
Freezer interior light does not turn on when the door is opened.
Light Circuit or Door Switch Failure
Symptom
Freezer intermittently stops cooling; sometimes works after unplugging and plugging back in.
Main Control Board Intermittent Failure
Symptom
Freezer is leaking water onto the floor from the front or underneath.
Defrost Drain Clog or Drain Pan Overflow
Symptom
Freezer is noisy; loud humming, rattling, or buzzing from the back or bottom of the unit.
Compressor or Condenser Fan Noise
Symptom
Freezer is too cold; food is freezing harder than normal, ice cream rock solid, temperature below setpoint.
Thermostat or Temperature Sensor Calibration Fault
Symptom
Freezer is vibrating excessively and may cause nearby cabinets or floor to rattle.
Cabinet Vibration and Leveling Issue
Symptom
Freezer makes a high-pitched squealing or chirping noise from inside the cabinet.
Evaporator Fan Motor Bearing Failure
Symptom
Freezer makes loud knocking or banging noises during operation, especially when compressor starts or stops.
Refrigerant Line or Compressor Mount Vibration
Symptom
Freezer not cooling at all; interior is warm, compressor not running, display may be on.
Compressor Start Failure or Control Power Issue
Symptom
Freezer runs but does not get cold enough; compressor and fans run continuously, temperature only slightly below room temperature.
Refrigerant Loss or Low Capacity Cooling
Symptom
Freezer runs constantly and rarely shuts off, but temperature is normal or slightly cold.
Thermostat/Sensor Misreading or Air Leakage
Symptom
Freezer will not start at all; no lights, no display, completely dead.
Power Supply or Main PCB Failure
Symptom
Frost or ice buildup on the back wall of the freezer and around the evaporator cover.
Defrost System Failure
Symptom
Heavy frost buildup on food and shelves, especially near the door.
Air Infiltration Through Door Gasket
Symptom
Ice maker in the freezer is not making ice, but the freezer is otherwise cooling normally.
Ice Maker Assembly or Water Supply Failure
Symptom
Interior light stays on when the freezer door is closed, causing heat and poor cooling near the top.
Door Switch Failure or Misalignment
Symptom
Water or ice buildup on the bottom of the freezer compartment.
Frozen Defrost Drain
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| dH |
Freezer displays dH or DH; unit may stop cooling and may show extended defrost time.
|
Defrost Heater Overrun / Defrost Error | View Details |
| E1 |
Freezer beeps and displays E1; temperature may be higher than normal and compressor may run continuously.
|
Freezer Compartment Sensor (Thermistor) Error | View Details |
| E2 |
Freezer displays E2 and may not maintain proper temperature; fan may run erratically.
|
Refrigerator Compartment Sensor Error (on combo units affecting freezer control) | View Details |
| E3 |
Freezer shows E3; defrost cycles may not occur properly, leading to frost buildup on the evaporator and poor cooling.
|
Defrost Sensor / Evaporator Sensor Error | View Details |
| E4 |
Freezer displays E4 and may not defrost properly; ice accumulates on evaporator and airflow is reduced.
|
Defrost Heater or Defrost Circuit Error | View Details |
| E5 |
Freezer shows E5; ice maker or ice room area may not cool correctly on models with separate ice room.
|
Ice Room / Ice Maker Compartment Sensor Error | View Details |
| E6 |
Freezer displays E6; communication between display/control panel and main PCB may be lost. Buttons may not respond.
|
Communication Error Between Display PCB and Main Control Board | View Details |
| E7 |
Freezer shows E7; ambient temperature readings may be incorrect, causing improper cooling cycles.
|
Ambient Temperature Sensor Error | View Details |
| E8 |
Freezer displays E8; fan noise may be abnormal or airflow may be weak. Frost may build up unevenly.
|
Evaporator Fan Motor Error | View Details |
| E9 |
Freezer shows E9; condenser fan may not run, cabinet sides may feel very hot, and cooling performance drops.
|
Condenser Fan Motor Error | View Details |
| Er 1F |
Display shows Er 1F; ice fan error, similar to IF/Er IF, ice production issues.
|
Ice Fan Motor or Feedback Error | View Details |
| Er 67 |
Display shows Er 67; door switch or door open sensor error, interior lights or fans may not behave correctly.
|
Door Switch / Reed Sensor Error | View Details |
| Er CF |
Display shows Er CF; condenser fan error, cabinet sides may be hot and cooling weak.
|
Condenser Fan Feedback Error | View Details |
| Er CO |
Display shows Er CO; control panel may be unresponsive, lights may work but settings cannot be changed.
|
Communication Error Between Display and Main PCB | View Details |
| Er dH |
Display shows Er dH; unit may stop cooling after a prolonged defrost attempt.
|
Defrost Heater Error (Exceeded Time Limit) | View Details |
| Er FF |
Display shows Er FF; freezer fan error, freezer temperature rises, frost pattern abnormal.
|
Freezer Evaporator Fan Error | View Details |
| Er FS |
Display shows Er FS; freezer sensor error, unit may not regulate freezer temperature correctly.
|
Freezer Sensor Circuit Error | View Details |
| Er HS |
Display shows Er HS; humidity sensor error on models with humidity control, may affect frost patterns.
|
Humidity Sensor Error | View Details |
| Er IF |
Display shows Er IF; ice fan error, ice production is poor or stopped.
|
Ice Fan Feedback Error | View Details |
| Er rS |
Display shows Er rS; refrigerator sensor error that may cause overall cooling imbalance.
|
Refrigerator Sensor Circuit Error | View Details |
| F dS |
Display shows F dS or FdS; freezer may overcool or undercool and defrost cycles may be abnormal.
|
Freezer Defrost Sensor Error | View Details |
| F1 |
Freezer shows F1; internal temperature may be too warm or fluctuate.
|
Freezer Temperature Sensor Out of Range | View Details |
| F2 |
Freezer displays F2; may enter or remain in defrost unexpectedly, or show erratic defrost behavior.
|
Defrost Sensor / Heater Feedback Error | View Details |
| IF |
Freezer displays IF or IF E; ice maker fan is noisy or not running, ice production is reduced or stops.
|
Ice Maker Fan Motor Error | View Details |
| r dS |
Display shows r dS; refrigerator defrost sensor error that can indirectly affect freezer performance.
|
Refrigerator Defrost Sensor Error | View Details |
| rF |
Freezer (on combo units) shows rF; fresh food fan may be noisy or not running, affecting freezer airflow balance.
|
Refrigerator Compartment Fan Error | View Details |
| – |
Freezer door will not close properly or pops open after closing.
|
Door Alignment or Seal Interference | View Details |
| – |
Freezer drawers are difficult to open or close, or rails make grinding noises.
|
Drawer Rail or Slide Wear | View Details |
| – |
Freezer has a strong, unpleasant odor that persists even after removing spoiled food.
|
Odor Absorption in Liner and Air Ducts | View Details |
| – |
Freezer interior light does not turn on when the door is opened.
|
Light Circuit or Door Switch Failure | View Details |
| – |
Freezer intermittently stops cooling; sometimes works after unplugging and plugging back in.
|
Main Control Board Intermittent Failure | View Details |
| – |
Freezer is leaking water onto the floor from the front or underneath.
|
Defrost Drain Clog or Drain Pan Overflow | View Details |
| – |
Freezer is noisy; loud humming, rattling, or buzzing from the back or bottom of the unit.
|
Compressor or Condenser Fan Noise | View Details |
| – |
Freezer is too cold; food is freezing harder than normal, ice cream rock solid, temperature below setpoint.
|
Thermostat or Temperature Sensor Calibration Fault | View Details |
| – |
Freezer is vibrating excessively and may cause nearby cabinets or floor to rattle.
|
Cabinet Vibration and Leveling Issue | View Details |
| – |
Freezer makes a high-pitched squealing or chirping noise from inside the cabinet.
|
Evaporator Fan Motor Bearing Failure | View Details |
| – |
Freezer makes loud knocking or banging noises during operation, especially when compressor starts or stops.
|
Refrigerant Line or Compressor Mount Vibration | View Details |
| – |
Freezer not cooling at all; interior is warm, compressor not running, display may be on.
|
Compressor Start Failure or Control Power Issue | View Details |
| – |
Freezer runs but does not get cold enough; compressor and fans run continuously, temperature only slightly below room temperature.
|
Refrigerant Loss or Low Capacity Cooling | View Details |
| – |
Freezer runs constantly and rarely shuts off, but temperature is normal or slightly cold.
|
Thermostat/Sensor Misreading or Air Leakage | View Details |
| – |
Freezer will not start at all; no lights, no display, completely dead.
|
Power Supply or Main PCB Failure | View Details |
| – |
Frost or ice buildup on the back wall of the freezer and around the evaporator cover.
|
Defrost System Failure | View Details |
| – |
Heavy frost buildup on food and shelves, especially near the door.
|
Air Infiltration Through Door Gasket | View Details |
| – |
Ice maker in the freezer is not making ice, but the freezer is otherwise cooling normally.
|
Ice Maker Assembly or Water Supply Failure | View Details |
| – |
Interior light stays on when the freezer door is closed, causing heat and poor cooling near the top.
|
Door Switch Failure or Misalignment | View Details |
| – |
Water or ice buildup on the bottom of the freezer compartment.
|
Frozen Defrost Drain | View Details |
No matching codes found
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