🍽️Dishwasher

DRAIN PUMP CLOG

LG · LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry

LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry DRAIN PUMP CLOG Error Fix: Drain Pump Clog/Failure

Food debris, glass fragments, labels block pump impeller. Water standing after cycle, OE error. Clean drain filter regularly. Replace pump if motor has failed.

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error DRAIN PUMP CLOG on the LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry means: Drain Pump Clog/Failure. The top-ranked community fix is “Replace the Drain Pump Assembly” (medium difficulty, ~60 min, DIY cost: $15-$20). 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.

When to Call a Professional

While many dishwasher repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $120-$200.

Other LG Models with Error DRAIN PUMP CLOG

LDT7808SS Top Control Smart Dishwasher with TrueSteam

dishwasher · 2 fixes

WM3600HWA 4.5 cu. ft. Smart Front-Load Washer with TurboWash 360

washer · 2 fixes

Other LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry Error Codes

Leak Sensor — Water in Base

2 fixes

Motor / Impeller Error

2 fixes

Abnormal Water Temperature

2 fixes

Child Lock Active

2 fixes

CONTROL BOARD WET

Control Board Moisture Damage

2 fixes

DOOR GASKET WORN

Door Gasket Deterioration

2 fixes

DYNAMIC DRY FAN

Dynamic Dry Fan Motor Failure

2 fixes

Water Leak / Excess Water

2 fixes

People Also Ask About LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry Error DRAIN PUMP CLOG

What does error code DRAIN PUMP CLOG mean on a LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry?

Error code DRAIN PUMP CLOG on the LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry means: Drain Pump Clog/Failure. Food debris, glass fragments, labels block pump impeller. Water standing after cycle, OE error. Clean drain filter regularly. Replace pump if motor has failed.

How do I fix error code DRAIN PUMP CLOG on my LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry?

The most successful fix is "Replace the Drain Pump Assembly" (medium difficulty, ~60 minutes). Estimated DIY cost: $15-$20. HomeMD has 2 community-ranked fixes for this error.

Is error code DRAIN PUMP CLOG on a LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry error DRAIN PUMP CLOG myself?

Yes — the top-ranked community fix ("Replace the Drain Pump Assembly") is rated medium difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Needle-nose pliers, Towel.

How much does it cost to repair LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry error DRAIN PUMP CLOG?

DIY cost: $15-$20. Professional repair typically costs $120-$200. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry have?

The LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry has 8 other known error codes, including: AE (Leak Sensor — Water in Base), bE (Motor / Impeller Error), CE (Abnormal Water Temperature), CL (Child Lock Active), CONTROL BOARD WET (Control Board Moisture Damage), and 3 more.

Which other LG models have the DRAIN PUMP CLOG error?

Error code DRAIN PUMP CLOG also appears on 2 other LG models: LDT7808SS Top Control Smart Dishwasher with TrueSteam, WM3600HWA 4.5 cu. ft. Smart Front-Load Washer with TurboWash 360. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry have?

The LG LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry has 8 other known error codes:

AE — Leak Sensor — Water in Base (2 fixes)
bE — Motor / Impeller Error (2 fixes)
CE — Abnormal Water Temperature (2 fixes)
CL — Child Lock Active (2 fixes)
CONTROL BOARD WET — Control Board Moisture Damage (2 fixes)
DOOR GASKET WORN — Door Gasket Deterioration (2 fixes)
DYNAMIC DRY FAN — Dynamic Dry Fan Motor Failure (2 fixes)
E1 — Water Leak / Excess Water (2 fixes)

Which other LG models have the DRAIN PUMP CLOG error?

Error code DRAIN PUMP CLOG also appears on 2 other LG models:

LDT7808SS Top Control Smart Dishwasher with TrueSteam (dishwasher) · 2 fixes
WM3600HWA 4.5 cu. ft. Smart Front-Load Washer with TurboWash 360 (washer) · 2 fixes

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