QUADWASH SPRAY CLOG
LG · LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry
QuadWash Pro uses 4 spray arms with multi-motion capability. More nozzles to clog and more pivot points to wear. Clean all 4 spray arms regularly. Multi-motion bearing can wear, reducing cleaning effectiveness.
Error QUADWASH SPRAY CLOG on the LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry means: QuadWash Multi-Spray Arm Maintenance. The top-ranked community fix is “Replace Worn QuadWash Multi-Motion Bearings” (medium difficulty, ~45 min, DIY cost: $10-$25). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · dishwasher
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many dishwasher repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $100-$180.
Leak Sensor — Water in Base
Motor / Impeller Error
Abnormal Water Temperature
Child Lock Active
Control Board Moisture Damage
Door Gasket Deterioration
Drain Pump Clog/Failure
Dynamic Dry Fan Motor Failure
The LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry has 8 other known error codes:
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