LG WT7150CW musty or mildew smell in the washer
Cause 1 of 2Too much detergent, or detergent that is not HE. Source: Troubleshooting: Performance, p. 43
First checkUse only HE detergent as the detergent maker directs.
Causes and checks
Too much detergent, or detergent that is not HE. Source: Troubleshooting: Performance, p. 43
- Use only HE detergent as the detergent maker directs.
The tub is not cleaned regularly. Source: Troubleshooting: Performance, p. 43
- Run the Tub Clean cycle regularly. See Run the Tub Clean cycle.
All 2 causes checked. Contact LG Customer Information Center: 1-800-243-0000.
Service
If the checks above do not clear it, contact LG Customer Information Center: 1-800-243-0000, lg.com/us/support. United States (Canada: 1-888-542-2623). Source: Limited Warranty: To Obtain Warranty Service, pp. 45, 49
Other WT7150CW problems
- Water does not drain or drains slowly2 causes in the manual. First: the drain hose is kinked, pinched or clogged.
- Washer is not filling properly6 causes in the manual. First: the inlet filters on the fill valves are clogged.
- Washer will not turn on or will not operate6 causes in the manual. First: the control panel powered off after a period of inactivity.
- Water leaks from the washer5 causes in the manual. First: the hoses are not connected correctly.
- Bleach does not dispense, or dispenses too early4 causes in the manual. First: the bleach dispenser cover is not installed correctly (on some models).
- Washer is noisy or vibrates7 causes in the manual. First: keys, coins or safety pins are in the tub or the pump (rattling or clanking).
Sources
- Owner's Manual, Washing Machine WT7150C* / WT7000C* / WT7010C*. LG Electronics Inc. Document MFL68267084, revision Rev.04, 2026-10-02, 52 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 12 November 2026.
- Owner's Manual, Washing Machine WT7880H*A / WT7900H*A. LG Electronics Inc. Document MFL68267072, revision Rev.05, 2025-10-10, 60 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 12 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.