LG

LG 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
LG oven displays "door" and will not start a cooking or self-clean cycle.
Door Not Closed or Door Switch Error
F1
LG oven beeps and displays F1, oven will not start or cancels shortly after starting a bake or broil cycle.
Oven Control Board Keypad Failure
F11
LG oven shows F11 and may not respond to keypad inputs or may behave erratically.
Keypad to Control Board Communication Error
F19
LG oven displays F19 and may not heat properly or may shut off during preheat.
Oven Preheat Time-Out or Heating Circuit Failure
F2
LG oven displays F2 and may beep continuously, often during or after a high-temperature bake or self-clean cycle.
Oven Over-Temperature Condition
F20
LG oven shows F20 and may not maintain temperature or may shut off unexpectedly.
Oven Temperature Control Error
F22
LG oven displays F22 and may not start a bake or broil cycle.
Communication Error Between Display and Main Control
F23
LG oven shows F23 and may not respond to user inputs or may freeze.
Touch Controller Error
F24
LG oven displays F24 and may not heat or may shut down during operation.
Upper Oven Temperature Sensor Error (Dual Oven Models)
F25
LG oven shows F25 and the lower oven may not heat correctly (dual oven models).
Lower Oven Temperature Sensor Error (Dual Oven Models)
F26
LG oven displays F26 and may not start a self-clean cycle or may stop mid-cycle.
Door Lock Feedback Error
F3
LG oven shows F3 and stops heating; may appear shortly after starting a bake cycle.
Oven Temperature Sensor Circuit Open
F30
LG oven shows F30 and may not heat or may shut off during operation.
Cooling Fan Motor Error
F31
LG oven displays F31 and may shut down or not start, often after long cooking times.
Over-Temperature in Control Area
F4
LG oven displays F4 and will not heat correctly; may overheat or shut down unexpectedly.
Oven Temperature Sensor Circuit Shorted
F5
LG oven shows F5 and may not start or may shut off mid-cycle.
Oven Control Board Relay or Watchdog Failure
F9
LG oven displays F9 and the door may remain locked or the self-clean cycle will not start/stop.
Oven Door Lock Motor or Switch Failure
F90
LG oven shows F90 and the door remains locked or will not lock for self-clean.
Door Lock Motor Failure
F91
LG oven displays F91 and will not start a self-clean cycle.
Door Lock Not Engaging
F92
LG oven shows F92 and the door will not unlock after a cycle.
Door Lock Not Releasing
F93
LG oven displays F93 and may not start or complete a self-clean cycle.
Self-Clean Temperature Not Reached
F94
LG oven shows F94 and self-clean will not start.
Self-Clean Door Lock Error
F95
LG oven displays F95 and may shut down or not start a cycle.
Internal Temperature Sensor or Thermostat Error
F96
LG oven shows F96 and may not heat or may shut off unexpectedly.
Power Relay or Triac Failure
F97
LG oven displays F97 and may not start or may shut down during operation.
Cooling Fan Speed or Feedback Error
F98
LG oven shows F98 and may not heat or may behave erratically.
Main Control Board Internal Error
F99
LG oven displays F99 and may not respond to controls or may lock up.
Control Lock or Software Fault
HE
LG gas oven displays HE and does not heat or shuts off shortly after ignition attempt.
Heating Error (Gas Ignition Failure)
LE
LG oven shows LE and may not heat or may shut off unexpectedly.
Low Voltage or Line Error
LOC
LG oven displays LOC or a padlock icon and will not start any cooking cycle.
Control Lock (Child Lock) Activated
PF
LG oven displays PF and beeps after a power interruption; clock may reset.
Power Failure Indication
Sb
LG oven displays Sb and beeps; some controls may be disabled.
Sabbath Mode Active
Symptom
Clock and timer work, but oven will not start any cooking cycle (no heat, no relay click).
Start Circuit / Relay Drive Failure
Symptom
Convection fan is not running during convection bake, resulting in uneven cooking.
Convection Fan Failure
Symptom
Gas oven igniter glows but burner never lights; oven stays cold.
Igniter Weak / Gas Valve Not Opening
Symptom
Gas oven ignites with a loud boom or delayed ignition, sometimes blowing out the flame.
Delayed Ignition / Gas Accumulation
Symptom
Oven does not heat at all on bake or broil (electric LG oven). Display and lights work, but cavity stays cold.
No-Heat Condition – Element or Power Circuit Failure
Symptom
Oven door will not close fully or appears misaligned, causing heat loss and poor baking performance.
Door Hinge or Latch Misalignment
Symptom
Oven door will not open after self-clean cycle, even when cool and no error code is displayed.
Door Lock Mechanism Stuck Closed
Symptom
Oven emits a strong chemical or plastic smell during use, especially when new.
Odor / Off-Gassing
Symptom
Oven fan runs continuously even when the oven is off and cool.
Cooling Fan Stuck On
Symptom
Oven heats but does not reach set temperature or takes excessively long to preheat.
Underheating / Long Preheat
Symptom
Oven interior light does not turn on when door is opened or when light button is pressed.
Oven Light Circuit Failure
Symptom
Oven light works but control panel is completely dead (no display, no response).
No Power to Control Board
Symptom
Oven makes loud banging, popping, or metallic noises during heating and cooling.
Thermal Expansion Noise / Loose Panels
Symptom
Oven overheats, burning food even at normal temperature settings.
Overheating / Temperature Overshoot
Symptom
Oven produces excessive smoke during normal baking (not self-clean).
Excessive Smoke / Residue Burning
Symptom
Oven temperature is inconsistent; sometimes too hot, sometimes too cold, with no clear pattern.
Intermittent Temperature Control
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