LG WM3670HWA how to run Tub Clean
Monthly, when tCL appears, and for 3 weeks in a row if the washer smells musty.
You need
- Tub cleaner, lime scale remover, liquid chlorine bleach or cleaning tablets
Steps
- Empty the tub; never run Tub Clean with laundry in it.
- Add the cleaner: liquid chlorine bleach in the bleach compartment, powder in the main wash compartment with the liquid cup removed, or tablets directly in the tub. Do not go above the maximum line.
- Press Power and turn the cycle knob to Tub Clean.
- Press Start/Pause.
- After a tub cleaner, run Rinse+Spin before washing laundry, and leave the door open to dry.
Source: Maintenance: Tub Clean; Removing Mineral Buildup Source: Maintenance: Tub Clean; Removing Mineral Buildup, pp. 30–31
Used for
- tCL: Not a fault. The tub needs cleaning; the reminder generally appears every 1 to 2 months depending on use.
- Washer smells musty or moldy
Other WM3670HWA procedures
- How to clean the drain pump filterWhen the washer drains slowly or shows OE, when coins or pins rattle, and periodically.
- How to clean the water inlet filtersPeriodically, more often with hard water, and when IE appears or the washer fills poorly.
- How to clean the door sealOnce a month, to prevent build-up of dirt in the door seal.
- How to clean the detergent dispenser drawerOnce a week; detergent left in the drawer builds up scale.
- How to level the washerAfter installing or moving the washer, and when it rocks, vibrates or is noisy.
Sources
- Owner's Manual, Washing Machine WM3670H*A. LG Electronics Inc. Document MFL68639738, revision ver.081KCH/BB, 89 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.