Error Code dSo
Flow Sense duct blockage restriction detected after drying cycle ends
Moderate
Address soon - your appliance may not work properly
Also displayed as: dSo
How to Fix
- 1
Indicator remains on for two hours after the end of the cycle.
- 2
Opening the door or pressing the Power button will turn off the display.
- 3
Inspect and clean ductwork, vent hood, and lint filter.
- 4
Check for duct run that is too long or has too many elbows — reduce run length or number of elbows.
- 5
Repair or replace damaged duct.
- 6
After cleaning, run the dryer and monitor the Flow Sense indicator — if no bars appear at end of cycle, exhaust is adequate.
This Error Applies To
LG DLE8400BE Series Dryers (2023) (2023–present)
Related Error Codes
Power supply error — electric dryer power cord not connected correctly or house power supply incorrect; also displayed when 240V is applied to PCB indicating mis-wired power cord
Duct blockage — ductwork approximately 90% blocked (displayed for 2 hours only)
Temperature sensor (thermistor) failure — open circuit
Power failure — house fuse blown, circuit breaker tripped, or power outage
Duct blockage — ductwork approximately 95% blocked (displayed for 2 hours only)
Temperature sensor (thermistor) failure — shorted circuit
No power / power code error — outlet voltage issue or power cord not properly connected
Humidity (moisture) sensor failure