LG WT7150CW washer is noisy or vibrates
Cause 1 of 7Keys, coins or safety pins are in the tub or the pump (rattling or clanking). Source: Troubleshooting: Noises, p. 39
First checkStop the washer and check the tub and the drain filter for foreign objects.
Causes and checks
Keys, coins or safety pins are in the tub or the pump (rattling or clanking). Source: Troubleshooting: Noises, p. 39
- Stop the washer and check the tub and the drain filter for foreign objects.
LG Customer Information Center If the noise continues after restarting, contact LG service. Contact: 1-800-243-0000 or lg.com/us/support.The wash load is unbalanced (thumping or vibrating). Source: Troubleshooting: Noises, p. 39
- Pause the cycle and redistribute the load after the lid unlocks.
The packaging materials were not removed. Source: Troubleshooting: Noises, p. 39
- Remove the packaging as described under Unpacking and Removing Shipping Material in the Installation section.
Not all leveling feet rest firmly and evenly on the floor. Source: Troubleshooting: Noises, p. 39
- Level the washer (Level the washer below).
The floor is not rigid enough. Source: Troubleshooting: Noises, p. 40
- Make sure the floor is solid and does not flex (manual section Flooring, Installation).
Plumbing in the home moves or flexes when the water valves in the washer shut off (banging noise while the washer fills; water hammer). Source: Troubleshooting: Noises, p. 40
- Install water hammer arrestors between the fill hoses and the washer.
Household water supply pressure is very high. Source: Troubleshooting: Noises, p. 40
- Adjust the household water supply regulator to a lower pressure.
Licensed plumber Contact a plumber if the pressure stays too high.
All 7 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).
- Musty or mildew smell in the washer2 causes in the manual. First: too much detergent, or detergent that is not HE.
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.