LG Washer - SUD Error Code
The washer detected excessive suds.
Meaning
The washer detected excessive suds.
The LG SUD (or Sud / Sd) error code indicates that the washer detected too many suds during the wash or rinse cycle. Excessive suds prevent proper tumbling and can cause drain issues.
Symptoms
Causes
Step-by-Step Fixes
- Run a Rinse+Spin cycle.
- Use HE detergent only.
- Reduce detergent amount.
- Run Tub Clean if residue persists.
Safety Notes
- Do not mix detergent types.
Applicable Models
Show Models
- map[front-load direct-drive:[WM3050CW WM3070HWA WM3170CW WM3370HWA WM3470HVA WM3500CW WM3600HWA WM3700HWA WM3800HBA WM3900HWA WM4000HWA WM4200HWA] top-load direct-drive:[WT7100CW WT7200CW WT7300CW WT7400CV WT7500CW WT7800CW]]
Related Pages
Other LG Washer Error Codes
Show All Error Codes
- LG Washer AC/AE Error Code — Communication Error
- LG Washer AE6 Error Code — Wi‑Fi Module Communication Error
- LG Washer CE Error Code — Overcurrent Error
- LG Washer CL Indicator — Child Lock Activated
- LG Washer dE Error Code — Door Error
- LG Washer dE1 Error Code — Door Not Locked
- LG Washer dE2 Error Code — Door Open
- LG Washer dE3 Error Code — Door Lock Failure
- LG Washer dHE Error Code — Door Heating Error
- LG Washer dL Error Code — Door Lock Failure (Modern Front‑Load Models)
- LG Washer DL Error Code — Lid Lock Failure (Legacy Top‑Load Models)
- LG Washer DR Error Code — Door/Lid Open During Cycle (Legacy Models)
- LG Washer E6 Error Code — Motor Triac Error
- LG Washer E7 Error Code — Hall Sensor Signal Error
- LG Washer FE Error Code — Overflow Error
- LG Washer HE Error Code — Heater Error
- LG Washer HE1 Error Code — Heater Overheat
- LG Washer HE2 Error Code — Heater Underheat
- LG Washer IE Error Code — Water Inlet Error
- LG Washer IE1 Error Code — Water Inlet Variant
- LG Washer LE Error Code — Motor Locked
- LG Washer LE1 Error Code — Water Leak Detected
- LG Washer OE Error Code — Drain Error
- LG Washer OE1 Error Code — Drain Fault Variant
- LG Washer OE2 Error Code — Drain Pump Overrun
- LG Washer OE3 Error Code — Drain Pump Blocked
- LG Washer PE Error Code — Pressure Sensor Error
- LG Washer PE1 Error Code — Pressure Sensor Variant
- LG Washer PF Error Code — Power Failure
- LG Washer PF1 Error Code — Power Failure Variant
- LG Washer SE Error Code — Motor Sensor Error
- LG Washer tCL Indicator — Tub Clean Reminder
- LG Washer tE Error Code — Thermistor Error
- LG Washer tE1 Error Code — Thermistor Short
- LG Washer tE2 Error Code — Thermistor Open
- LG Washer tE3 Error Code — Thermistor Variant
- LG Washer UB Error Code — Unbalanced Load (ThinQ Variant)
- LG Washer UE Error Code — Unbalanced Load
- LG Washer UE1 Error Code — Unbalance Variant
- LG Washer VS Error Code — Vibration Sensor Error
Model-Specific Notes
- SUD may appear alongside OE if foam blocks the drain pump. - Some models display “Sd” instead of SUD.
Disclaimer
The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.