How do I fix error code Sud on a LG washers?

1. undefined: Machine automatically adds Suds Reducing cycle (~2 extra hours) 2. undefined: If suds detected during spinning, machine stops to prevent leaking 3. undefined: Use only HE (High Efficiency) detergent 4. undefined: Reduce detergent quantity 5. undefined: Run Tub Clean cycle to remove detergent residue

LG Washers2023–present

Error Code Sud

Q: What does error code Sud mean on a LG washers?

Suds Error Too many suds detected in tub; Too much detergent used; Wrong type of detergent (non-HE)

Suds Error

Moderate

Address soon - your appliance may not work properly

What This Means

Too many suds detected in tub; Too much detergent used; Wrong type of detergent (non-HE)

How to Fix

1
Machine automatically adds Suds Reducing cycle (~2 extra hours)
2
If suds detected during spinning, machine stops to prevent leaking
3
Use only HE (High Efficiency) detergent
4
Reduce detergent quantity
5
Run Tub Clean cycle to remove detergent residue

This Error Applies To

LG WM4000H Series Washers (2023) (2023–present)

Service manual exact match: WM4000H*AService manual exact match: WM4000HBAService manual exact match: WM4000HWA

Related Error Codes

dE2

Door Open Error (Type 2)

Overflow Error

Pressure Sensor Error

Power Failure

Unbalance Error

dE1

Door Open Error (Type 1)

Heating Error

EEPROM Error

Need more help with your LG washers?