Lg Washing Machine Error SUD

⚡ Quick Answer: The SUD error on your LG Washing Machine signifies that excessive soap suds have been detected in the wash drum. This issue can lead to prolonged wash... ✅ DIY Fixable

What Does Error SUD Mean?

The SUD error on your LG Washing Machine signifies that excessive soap suds have been detected in the wash drum. This issue can lead to prolonged wash cycles and unusual motor sounds. Common causes include using too much detergent, employing the wrong type of detergent (non-HE), or detergent residue buildup in the dispenser or tub. To resolve this, you can pause the cycle to let suds dissipate, run an extra rinse without detergent, and ensure you're using the correct amount of HE detergent.

Common Symptoms:

  • Error code displayed during wash cycle
  • Excessive foam visible inside drum
  • Cycle stops or extends unexpectedly

Possible Causes

  • Excess detergent amount (medium)
  • Wrong type of detergent (non-HE detergent) (medium)
  • Detergent residue/build‑up in dispenser or tub (medium)

How to Fix Error SUD

DIY Fix Reduce suds and clear the error

  1. Pause the wash cycle and allow suds to dissipate naturally or wait for auto suds reduction
  2. Run an extra rinse and spin cycle without adding more detergent
  3. Ensure using the correct amount of HE detergent per load

Technician Only Inspect and clean components related to suds buildup

  1. Inspect and clean detergent dispenser to remove residue
  2. Check and clear drain pump filter or drain hose for obstructions
  3. Verify proper functioning of pressure sensor if error persists despite correct detergent use

Parts needed: detergent dispenser, drain pump filter, pressure sensor

🛑 When to Call a Pro:
  • If the SUD error persists after correct detergent use and cleaning steps
  • If washer repeatedly shows SUD with normal detergent amounts and proper load

Technical Specifications

wattage N/A
component Pressure Switch
resistance 10-20 ohms
part_number LG 6601ER1006C
voltage_rating 120V AC

Common Questions

What does SUD error mean on LG Washing Machine?

The SUD error indicates excessive soap suds detected, leading to extended wash cycles and unusual sounds.

Can I fix LG Washing Machine SUD error myself?

Yes, you can pause the wash, allow suds to dissipate, and run an extra rinse with the correct HE detergent amount.

How much does it cost to fix SUD error?

Repair costs typically range from $50 to $200, depending on your service region.

When should I call a technician for SUD?

Call a technician if the SUD error persists after using the correct detergent and cleaning steps.

Data last verified: 2026-01-10

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