Washer Won't Drain — Samsung Drain Pump DC31-00054A Fix & Replacement Guide
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Understanding the Problem
The DC31-00054A is the drain pump assembly used in many Samsung top‑load and front‑load washers. It removes water from the tub and pushes it out the drain hose during the drain/spin portion of the cycle. When this pump fails or is obstructed, the washer will not drain, may display error codes (e.g., SD, dE, or drain error), hum without draining, or leak. 1) Quick visual & sound check: - Unplug the washer and open the access panel (front or back depending on model). - Look at the pump inlet and the drain hose for visible debris (coins, socks, lint). - Plug the washer back in briefly and run a drain/spin cycle while listening: a healthy pump will make a steady motor sound and water will flow; a clogged pump may gurgle or make grinding noises; a failed motor may be silent or click. 2) Remove standing water safely: - Turn off power and water. Place towels and a shallow pan under the pump area. - Remove the drain filter or disconnect the lower drain hose to let water out into the pan. 3) Inspect the pump physically: - Remove access panel. Locate the DC31-00054A pump (usually at low front of washer). - Check inlet/outlet for trapped objects and the impeller for damage or free play. Clear debris if present. 4) Electrical checks: - With power off, disconnect the pump wiring harness and check connector for corrosion or burn marks. - Use a multimeter to check for continuity across the pump motor terminals. A healthy pump should show continuity (not open). If it’s open (infinite ohms) the motor is burned out and pump needs replacement. - If you’re comfortable and know the appliance wiring, you can carefully supply power to the pump briefly to see if it runs (recommended only for experienced technicians). Otherwise rely on continuity and audible tests. 5) Replace the pump (if defective): - Unplug the washer and turn off water. Drain any residual water. - Remove the access panel. Note hose/clamp and wiring locations or take photos. - Loosen and remove the hose clamps on inlet/outlet hoses and pull hoses off. Have towels ready. - Remove mounting screws/clips holding the pump and disconnect the electrical connector. - Install the DC31-00054A: connect wiring harness, secure with mounting screws/clips, reattach hoses with clamps. - Reassemble the panel, restore power, and run a drain/spin test to confirm proper operation and check for leaks. 6) Final checks: - Verify no leaks at hose clamps and that the pump runs only during drain cycles. - If the pump runs but water remains, check drain hose routing, household drain clogging, or washer control issues. Safety note: Always unplug the washer before doing physical work. If you’re not comfortable with electrical testing or removing panels, hire a qualified appliance technician.
Common Symptoms
Washer won’t drain, displays drain error codes, pump hums or is silent during drain, water stays in tub, unusual noises from lower front area.
Common Causes
- Impeller jammed by foreign object (coins, small garments, debris)
- Pump motor failure (burned windings or seized bearings)
- Wiring, connector damage, or control board not powering the pump
Popular Parts That Fix This Problem
These are the most common replacement parts that fix this problem. When you're ready to order, click below to find the right part at ProsourceParts.com — just search by your appliance model number for a guaranteed fit.
Helpful Repair Tip
Confirm a bad pump by removing visible debris and checking continuity across the pump motor terminals — if the motor shows an open circuit or the pump hums but doesn't turn, replace the DC31-00054A.
Frequently Asked Questions
Can I just clean the pump instead of replacing it?
Yes—if the symptom is caused by a clog or debris trapped in the pump impeller, cleaning the pump and removing obstructions will often restore normal operation. However, if the motor has failed (no continuity, burnt smell, or seized impeller), cleaning won't help and you should replace the pump with DC31-00054A.
How long does it take to replace the DC31-00054A, and is it hard?
For a moderately handy homeowner, replacing the pump typically takes 30–60 minutes: removing the access panel, draining water, disconnecting hoses and wiring, swapping pumps, and reassembling. Difficulty varies by model—front-load washers can be slightly more involved. If you're unsure about working around electrical components, call a technician.
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