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Dishwasher Drain Hose Clogged With Grease [work] May 2026

: Always cut open the old drain hose during a “no drain” service call – you will confirm grease as the cause and prevent callback charges. Appendix: Quick Reference Troubleshooting Flowchart Water in dishwasher? ↓ Run diagnostic → error code? ↓ Disconnect hose at disposal end → blow through it? ↓ NO (blocked) ↓ YES (clear) ↓ ↓ Remove hose → inspect inside Check pump impeller ↓ or air gap Grease plug? → Replace hose ↓ Reinstall with high loop & hot water flush monthly

: Implement monthly hot-water flushing and educate tenants on grease disposal. Consider retrofitting dishwashers with smooth-bore hoses and insulation. dishwasher drain hose clogged with grease