LG Studio
LG Studio Ovens Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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door
Display shows DOOR or a door icon; oven will not start a cook or self-clean cycle.
Door Not Closed or Door Switch Fault
E1
Oven displays E1 and may not heat or may behave erratically.
Main PCB Communication or Internal Error
E2
Oven displays E2 and may not heat correctly; often related to sensor or temperature issues.
Temperature Sensor or Calibration Error
E3
Oven displays E3 and may shut down or refuse to start; sometimes after long high-heat use.
Over-Temperature or Thermal Cutoff Error
F1
Oven beeps and displays F1 shortly after power-up or during idle; keys may not respond correctly.
Touch Control Panel or Main PCB Key Input Failure
F11
Oven displays F11 and may not respond to some keypad inputs.
Keypad Communication Error
F13
Oven displays F13 and may not start a cook or self-clean cycle.
Oven Door Lock Switch Error
F19
Oven displays F19 and may not heat properly or at all.
Low Temperature Rise / Preheat Failure
F2
Oven displays F2 and may beep continuously; oven may overheat or shut down during a bake cycle.
Oven Over-Temperature or Stuck Relay
F22
Oven displays F22 and may not heat or may shut off unexpectedly.
Oven Temperature Sensor Out of Range
F26
Oven displays F26 and may not start a cook cycle; often associated with convection or fan functions.
Convection Fan Motor or Feedback Error
F3
Oven displays F3 and stops heating; may occur shortly after starting a bake or broil cycle.
Oven Temperature Sensor Circuit Open
F30
Oven displays F30 and may not start or may shut down during operation.
Cooling Fan Motor Error
F31
Oven displays F31 and may shut off or not start; often after long or high-temperature use.
Oven Overheat / Cooling System Failure
F34
Oven displays F34 and may not start a cook cycle; sometimes associated with convection or fan modes.
Convection Fan Feedback / Speed Error
F4
Oven displays F4 and may shut off heating; can appear intermittently during long baking cycles.
Oven Temperature Sensor Circuit Shorted
F5
Oven displays F5 and may not start or may shut down mid-cycle.
Relay Drive or Control Board Failure
F9
Oven displays F9 and the door may remain locked or unlocked incorrectly; self-clean may not start or finish.
Oven Door Lock Motor or Switch Failure
F90
Oven displays F90 and the door may not lock or unlock; self-clean cannot be started.
Door Lock Motor Not Operating
F91
Oven displays F91 and the door lock status does not match the actual door position (e.g., shows locked when open).
Door Lock Position Switch Mismatch
F92
Oven displays F92 and may not start self-clean; door may not lock when commanded.
Door Lock Unable to Reach Locked Position
F93
Oven displays F93 and may not unlock the door after a cycle or self-clean.
Door Lock Unable to Reach Unlocked Position
F95
Oven displays F95 and may shut down or not start; often related to high internal temperatures.
Cooling Fan Speed or Overheat Error
LOC
Display shows LOC or a lock icon; oven controls do not respond, but time may still display.
Control Panel Child Lock Activated
PF
Display shows PF and oven beeps after a power interruption; clock may reset.
Power Failure Detected
Symptom
Oven broil function does not work; top element never glows red, but bake may still work.
Broil Heating Element Circuit Failure
Symptom
Oven clock and settings reset every time power is cycled or briefly interrupted.
Control Board Memory / Power Supply Issue
Symptom
Oven control panel is completely dead; no display, no lights, oven does not respond.
No Power to Control / Dead Control Board
Symptom
Oven display is dim, flickering, or some segments are missing.
Display Module or Power Supply Degradation
Symptom
Oven display works but buttons do not respond or respond intermittently.
Touch Control Panel Failure
Symptom
Oven does not heat at all in bake mode; display and lights work, but temperature never rises.
Bake Heating Element Circuit Failure
Symptom
Oven door glass is cracked or shattered, but the oven still operates.
Door Glass Panel Damage
Symptom
Oven door will not close fully; there is a gap and heat escapes during use.
Door Hinge or Latch Misalignment
Symptom
Oven door will not open after a cycle; no error code is displayed.
Door Lock Mechanism Stuck
Symptom
Oven emits a high-pitched squealing noise when heating or cooling.
Fan Motor Bearing Wear
Symptom
Oven emits a strong chemical or burning plastic smell during use, even after several cycles.
Off-Gassing or Component Overheating
Symptom
Oven heats but bakes unevenly; food is burned on one side and undercooked on the other.
Uneven Heating / Air Circulation Problem
Symptom
Oven light does not turn on when the door is opened or when the light button is pressed.
Oven Cavity Light Circuit Failure
Symptom
Oven makes a loud rattling or grinding noise when the fan is running.
Convection or Cooling Fan Mechanical Failure
Symptom
Oven produces excessive smoke during normal baking (not self-clean).
Residue or Spillage Burning
Symptom
Oven shuts off by itself during cooking and may come back on after cooling.
Thermal Overload or Intermittent Power Loss
Symptom
Oven takes a very long time to preheat or never reaches the set temperature.
Insufficient Heating / Temperature Regulation Issue
Symptom
Oven temperature is consistently too hot or too cold compared to the set temperature.
Oven Temperature Calibration or Sensor Drift
Symptom
Self-clean cycle will not start; oven beeps and cancels when self-clean is selected.
Self-Clean Safety Interlock Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| door |
Display shows DOOR or a door icon; oven will not start a cook or self-clean cycle.
|
Door Not Closed or Door Switch Fault | View Details |
| E1 |
Oven displays E1 and may not heat or may behave erratically.
|
Main PCB Communication or Internal Error | View Details |
| E2 |
Oven displays E2 and may not heat correctly; often related to sensor or temperature issues.
|
Temperature Sensor or Calibration Error | View Details |
| E3 |
Oven displays E3 and may shut down or refuse to start; sometimes after long high-heat use.
|
Over-Temperature or Thermal Cutoff Error | View Details |
| F1 |
Oven beeps and displays F1 shortly after power-up or during idle; keys may not respond correctly.
|
Touch Control Panel or Main PCB Key Input Failure | View Details |
| F11 |
Oven displays F11 and may not respond to some keypad inputs.
|
Keypad Communication Error | View Details |
| F13 |
Oven displays F13 and may not start a cook or self-clean cycle.
|
Oven Door Lock Switch Error | View Details |
| F19 |
Oven displays F19 and may not heat properly or at all.
|
Low Temperature Rise / Preheat Failure | View Details |
| F2 |
Oven displays F2 and may beep continuously; oven may overheat or shut down during a bake cycle.
|
Oven Over-Temperature or Stuck Relay | View Details |
| F22 |
Oven displays F22 and may not heat or may shut off unexpectedly.
|
Oven Temperature Sensor Out of Range | View Details |
| F26 |
Oven displays F26 and may not start a cook cycle; often associated with convection or fan functions.
|
Convection Fan Motor or Feedback Error | View Details |
| F3 |
Oven displays F3 and stops heating; may occur shortly after starting a bake or broil cycle.
|
Oven Temperature Sensor Circuit Open | View Details |
| F30 |
Oven displays F30 and may not start or may shut down during operation.
|
Cooling Fan Motor Error | View Details |
| F31 |
Oven displays F31 and may shut off or not start; often after long or high-temperature use.
|
Oven Overheat / Cooling System Failure | View Details |
| F34 |
Oven displays F34 and may not start a cook cycle; sometimes associated with convection or fan modes.
|
Convection Fan Feedback / Speed Error | View Details |
| F4 |
Oven displays F4 and may shut off heating; can appear intermittently during long baking cycles.
|
Oven Temperature Sensor Circuit Shorted | View Details |
| F5 |
Oven displays F5 and may not start or may shut down mid-cycle.
|
Relay Drive or Control Board Failure | View Details |
| F9 |
Oven displays F9 and the door may remain locked or unlocked incorrectly; self-clean may not start or finish.
|
Oven Door Lock Motor or Switch Failure | View Details |
| F90 |
Oven displays F90 and the door may not lock or unlock; self-clean cannot be started.
|
Door Lock Motor Not Operating | View Details |
| F91 |
Oven displays F91 and the door lock status does not match the actual door position (e.g., shows locked when open).
|
Door Lock Position Switch Mismatch | View Details |
| F92 |
Oven displays F92 and may not start self-clean; door may not lock when commanded.
|
Door Lock Unable to Reach Locked Position | View Details |
| F93 |
Oven displays F93 and may not unlock the door after a cycle or self-clean.
|
Door Lock Unable to Reach Unlocked Position | View Details |
| F95 |
Oven displays F95 and may shut down or not start; often related to high internal temperatures.
|
Cooling Fan Speed or Overheat Error | View Details |
| LOC |
Display shows LOC or a lock icon; oven controls do not respond, but time may still display.
|
Control Panel Child Lock Activated | View Details |
| PF |
Display shows PF and oven beeps after a power interruption; clock may reset.
|
Power Failure Detected | View Details |
| – |
Oven broil function does not work; top element never glows red, but bake may still work.
|
Broil Heating Element Circuit Failure | View Details |
| – |
Oven clock and settings reset every time power is cycled or briefly interrupted.
|
Control Board Memory / Power Supply Issue | View Details |
| – |
Oven control panel is completely dead; no display, no lights, oven does not respond.
|
No Power to Control / Dead Control Board | View Details |
| – |
Oven display is dim, flickering, or some segments are missing.
|
Display Module or Power Supply Degradation | View Details |
| – |
Oven display works but buttons do not respond or respond intermittently.
|
Touch Control Panel Failure | View Details |
| – |
Oven does not heat at all in bake mode; display and lights work, but temperature never rises.
|
Bake Heating Element Circuit Failure | View Details |
| – |
Oven door glass is cracked or shattered, but the oven still operates.
|
Door Glass Panel Damage | View Details |
| – |
Oven door will not close fully; there is a gap and heat escapes during use.
|
Door Hinge or Latch Misalignment | View Details |
| – |
Oven door will not open after a cycle; no error code is displayed.
|
Door Lock Mechanism Stuck | View Details |
| – |
Oven emits a high-pitched squealing noise when heating or cooling.
|
Fan Motor Bearing Wear | View Details |
| – |
Oven emits a strong chemical or burning plastic smell during use, even after several cycles.
|
Off-Gassing or Component Overheating | View Details |
| – |
Oven heats but bakes unevenly; food is burned on one side and undercooked on the other.
|
Uneven Heating / Air Circulation Problem | View Details |
| – |
Oven light does not turn on when the door is opened or when the light button is pressed.
|
Oven Cavity Light Circuit Failure | View Details |
| – |
Oven makes a loud rattling or grinding noise when the fan is running.
|
Convection or Cooling Fan Mechanical Failure | View Details |
| – |
Oven produces excessive smoke during normal baking (not self-clean).
|
Residue or Spillage Burning | View Details |
| – |
Oven shuts off by itself during cooking and may come back on after cooling.
|
Thermal Overload or Intermittent Power Loss | View Details |
| – |
Oven takes a very long time to preheat or never reaches the set temperature.
|
Insufficient Heating / Temperature Regulation Issue | View Details |
| – |
Oven temperature is consistently too hot or too cold compared to the set temperature.
|
Oven Temperature Calibration or Sensor Drift | View Details |
| – |
Self-clean cycle will not start; oven beeps and cancels when self-clean is selected.
|
Self-Clean Safety Interlock Failure | View Details |
No matching codes found
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