SUD
LG
Excessive Suds Detection
Washer-dryer combo displays SUD or excessive suds; drum may pause frequently and rinse cycles extend.
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Possible Causes
Use of non-HE detergent, Overdosing detergent, Very soft water with normal detergent dose, Blocked pressure hose misreading water level
How to Fix / Troubleshooting
Safety first: Avoid opening the door mid-cycle when the drum is full of water.
- 1. Let the cycle continue:
- The machine will usually add extra rinses to clear suds; allow it to finish.
- 2. Adjust detergent use:
- Use only HE (high-efficiency) detergent.
- Reduce the amount used, especially in soft water areas.
- 3. Clean drum:
- Run a Tub Clean cycle with no laundry and a washing machine cleaner to remove detergent buildup.
- 4. Pressure hose check (advanced):
- If SUD appears frequently with correct detergent use, inspect the pressure hose for partial blockage as described in the PE error fix.
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Repair Difficulty
Very Easy
1/5
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