Verified manufacturer-source collection
LG Dishwasher Error Codes: Meanings & Safe Checks
Choose the code exactly as shown. Meanings and reset procedures can change across model families, display formats and markets.
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bE LG dishwasher bE means Bubble error: over-sudsing from dish soap or too much detergent; the code prevents leaks. Search/display variants: bE caution CL LG dishwasher CL means Control Lock (Child Lock) is active: the panel and cycle selection are disabled; the lock stays active after power off/on. Search/display variants: CL routine F31 LG dishwasher F31 means The Heat Dry fan motor does not operate (applies to models with Dynamic Heat Dry). Search/display variants: F31 caution F35 LG dishwasher F35 means The temperatures of Heat Dry components cannot be measured (applies to models with Dynamic Heat Dry). Search/display variants: F35 caution F37 LG dishwasher F37 means The Auto Open Door feature does not function. See the verified model scope, safe checks, and official source. Search/display variants: F37 caution FE LG dishwasher FE means The water supply exceeds the standard amount, or a leak is detected (official page: may be caused by over-sudsing with dishwashing… Search/display variants: FE, AE, RE caution HE LG dishwasher HE means Heater error: the heater that heats the water is not functioning normally. Search/display variants: HE caution IE LG dishwasher IE means Water inlet error: a specified amount of water was not supplied to the tub in time. Search/display variants: IE caution LE LG dishwasher LE means The cleaning (wash) motor is not functioning normally. See the verified model scope, safe checks, and official source. Search/display variants: LE caution nE LG dishwasher nE means The impeller (Vario pump) does not spin normally, or dishes touch the impeller. Search/display variants: nE caution OE LG dishwasher OE means Water outlet error: the tub is not fully drained. See the verified model scope, safe checks, and official source. Search/display variants: OE caution PE LG dishwasher PE means Water level sensor issue (the official page notes this applies to certain older models). Search/display variants: PE caution tE LG dishwasher tE means Temperature sensor issue (contact problem or sensor failure). Search/display variants: tE caution