Error Code d90
FlowSense duct blockage 90% — ductwork approximately 90% blocked. Error displayed for 2 hours only.
Moderate
Address soon - your appliance may not work properly
What This Means
Severe lint buildup in exhaust duct; Ductwork significantly restricted or partially collapsed
How to Fix
- 1
Do not use dryer — potential fire hazard
- 2
Inspect and clean entire exhaust duct system immediately
- 3
Replace any damaged or crushed ductwork
- 4
Verify duct run length and number of elbows are within installation specifications
- 5
After repair, confirm duct blockage indicators are cleared
This Error Applies To
LG DLEX6700B Series Dryers (2022) (2022–present)
Related Error Codes
Door open or door switch abnormal. During normal operation displays when door is opened mid-cycle. In test mode indicates door switch fault.
Temperature sensor error 1 — outlet thermistor at blower housing is open or shorted. Displayed during drying cycle or test mode.
Steam water supply error — DC pump AD value is less than 10 in diagnostic test mode.
FlowSense duct blockage 80% — ductwork approximately 80% blocked. Error displayed for 2 hours only.
Steam generator thermistor open or shorted. Displayed only in diagnostic test mode.
FlowSense duct blockage 95% — ductwork approximately 95% blocked. Error displayed for 2 hours only.
Temperature sensor error 2 — outlet thermistor at blower housing is open or shorted. Displayed during drying cycle or test mode.