LG Dryer Error Codes
15 error codes with causes and fixes
- D80Exhaust airflow blocked about 80%D80 is a Flow Sense warning that roughly 80% of exhaust airflow is blocked. LG gas and electric dryers measure blower strain; when hot humid air cannot exit, the display shows D80 and drying times stretch far beyond normal.
- D90Severe vent blockage near 90%D90 means Flow Sense measured about 90% blockage in the exhaust path. At this level the heating element may cycle off early to prevent overheating, leaving clothes damp after extended runs.
- D95Critical vent blockage about 95%D95 is the most severe Flow Sense code—about 95% exhaust restriction. LG treats this as an immediate safety alert. The dryer may refuse heat or shut down mid-cycle until airflow is restored.
- TEThermistor fault—alternate displaySome LG dryer panels show tE with mixed case for the same thermistor fault as TE. Exhaust temperature feedback failed—often after vent blockage overheated the blower area.
- HEHeater circuit not producing heatHE indicates a heating error—the dryer ran but exhaust temperature never reached the target within the allowed time. On electric models this points to the element or thermal fuse; on gas models, igniter or gas supply.
- FEPower frequency out of rangeFE reports a frequency or power-quality issue detected by the inverter or control board—more common on LG heat-pump and inverter-motor dryers where stable AC input is required for compressor and drum drive.
- AEAuto shutoff from internal faultAE is an Auto Error shutoff—the control board stopped operation to protect components, often following overheating, repeated sensor faults, or an internal self-test failure.
- CECommunication fault between control boardsCE is a Communication Error between the main control and display or inverter sub-board. Buttons may freeze and the drum may not start even though power is present.
- DEDoor switch not confirming closeddE means the door switch never confirmed closure before the motor or heat circuit energized. LG dryers will not tumble with an open-door signal.
- NFNo gas flame detected on gas modelsnF is No Flame on LG gas dryers. The igniter glowed or the gas valve opened but the flame sensor never detected combustion within the timeout—so heat stops for safety.
- PFPower lost during cyclePF is Power Failure—the board lost AC during operation. It is informational, not a parts fault. Some LG models let you resume; others require restarting the cycle.
- E13Steam generator or steam function faultE13 appears on LG steam-capable dryers when the steam generator cannot produce steam—water not reaching the steam chamber, a clogged nozzle, or a steam valve fault.
- HSHumidity sensor reading failedHS is a Humidity Sensor error on sensor-dry models. The board cannot read fabric moisture level, so automatic cycles may stop early or never advance from sensing mode.
- CLChild lock is active—not a faultCL displays Child Lock engaged. The control panel buttons are disabled to prevent accidental cycle changes—this is intentional, not a malfunction.
- TE1Inlet thermistor reading out of rangetE1 is a thermistor sub-fault on LG condenser and heat-pump dryers—the sensor at the inlet heat exchanger sent resistance outside the board's valid range. Unlike exhaust tE, tE1 points to the cooler inlet path where lint and condensate collect.