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Dishwasher fills with water but the wash pump motor fails to circulate it through the spray arms, leaving dishes dirty after a full cycle.
Insufficient water pressure from a worn or seized pump impeller results in poor cleaning performance — food debris and mineral deposits remain on dishes.
No audible pump operation during the wash cycle indicates the motor has failed electrically or mechanically and is not powering the spray arms.
A continuous humming noise with no water movement indicates a jammed or seized pump motor impeller — replacement of the full motor assembly is required.
When the circulation pump fails, water fills the sump area but cannot be distributed upward through the spray arms, causing standing water to remain during and after cycles.
💡 Pro Tip: How to Tell If Your Dishwasher Wash Pump Motor Has Failed
Your part is likely the culprit if you notice any of the following:
⚠️ Dishwasher fills with water but dishes come out dirty — water is not being circulated through the spray arms
⚠️ Dishwasher runs silently during the wash cycle with no pump hum or spray noise
⚠️ Water pools at the bottom of the tub during or after the wash cycle
⚠️ Motor makes a loud humming or grinding noise then stops — indicating a seized impeller or failed bearing
🔍 Diagnostic tip: With the dishwasher unplugged, use a multimeter set to Rx1 to test the motor terminals for continuity. A reading of zero ohms or open circuit confirms motor failure. Also manually spin the impeller — resistance or seizure indicates mechanical failure even if electrical continuity is present.
📦 What's in the Box
✅ 1× Welling YXW48-2F-1 (YXWH-48-2-2) Dishwasher Wash Circulation Pump Motor Assembly (220–240V, complete unit with motor and pump body)
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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