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Lg Oven Error Codes

All Lg oven error codes with step-by-step troubleshooting, multimeter specs, and OEM part numbers.

7 error codes

CodeMeaning
F11One or more buttons on the oven keypad are stuck in the depressed position or have an internal short circuit. The control board detected a sustained button signal that indicates a key has been held down beyond a normal press duration.
moderateintermediate
F19The main control board (PCB) has detected an internal fault or has failed. The control board manages all oven functions: temperature regulation, element switching, display, and safety monitoring.
highadvanced
F3The oven temperature sensor (RTD probe) has failed open or shorted. The control board cannot receive valid temperature data and has shut down the heating function as a safety measure.
highintermediate
F9The oven door lock motor or latch assembly has failed to lock or unlock correctly. The control board commanded the door lock to engage or disengage and did not receive the expected confirmation signal within the timeout period.
highintermediate
HUBReference guide covering all LG range and oven fault codes for the LRE and LDE series, including their causes, severity, and repair paths.
lowbeginner
NOT-HEATINGCauses and Fixes
mediumintermediate
WONT-STARTCauses and Fixes
mediumintermediate