LG WM3600HWA how to thaw frozen water inlet hoses
When FF appears and the inlet hoses are frozen.
Steps
- Turn off the washer and unplug the power cord.
- Turn off the faucets connected to the water inlet hoses.
- Pour hot water on the frozen faucets to thaw the hoses, then remove the hoses.
- Immerse the water inlet hoses in hot water to thaw them.
- Reconnect the hoses to the washer inlets and the faucets, then turn on the faucets.
- Press Power, press Spin to select a spin-only cycle, then press Start/Pause to drain and spin.
Source: Maintenance: Care in Cold Climates Source: Maintenance: Care in Cold Climates, pp. 40-41
Used for
- FF: Frozen error: the inlet hose, drain hose or drain pump is frozen.
Other WM3600HWA procedures
- How to clean the drain pump filterWhen the washer drains slowly, shows OE or rattles with small objects in the pump, and periodically.
- How to clean the water inlet filtersWhen IE appears, the washer fills poorly, or the water is hard.
- How to run the Tub Clean cycleWhen tCL blinks, once a month, and once a week for three weeks if a musty smell is already present.
- How to clean the door sealOnce a month, to prevent build-up of dirt.
- How to level the washerWhen the washer vibrates, rocks or is noisy during spin.
- How to thaw a frozen drain hoseWhen FF appears and the drain hose is frozen.
Sources
- Owner's Manual, Washing Machine WM3600H*A. LG Electronics Inc. Document MFL70701250, revision Rev.04, 2026-01-23, 60 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 12 November 2026.
- Owner's Manual, Washing Machine WM4200H*A / WM4100H*A. LG Electronics Inc. Document MFL71728905, revision Rev.05, 2025-11-20, 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.