LG WM3600HWA and WM4200HBA front-load washers
- Category
- Washers
- Model number
- WM3600HWA, WM3600HVA, WM4200HBA, WM4200HWA
- Region
- United States and Canada
- Verified
- Rating label
- At the top of the door opening, on a silver label visible with the door open (front-loading washers). Source: support pageOn the back or right side of the cabinet, under the lid on the top of the cabinet or at its bottom right, or at the top right corner of the left side panel (top-loading washers). Source: support page
- Error IE
- Error UE
- DE, dE1, dE2, dE4
- Error OE
- Error tE
- Error FE
- Error PE
- Error LE
- Error Sud
- Error PF
- Error FF
- CL
- TCL
- Error uS
- Water does not drain or drains slowly
- Washer is not filling properly
- Washer will not operate or does not turn on
- Water leaks from the washer
- Washer is noisy or vibrates
- Musty or mildew smell in the washer
- Washer will not connect to Wi-Fi
- How to clean the drain pump filter
- How to clean the water inlet filters
- How to run the Tub Clean cycle
- How to clean the door seal
- How to level the washer
- How to thaw frozen water inlet hoses
- How to thaw a frozen drain hose
Nothing on this page matches. Search all models
Error codes
| Code | Meaning | Checks |
|---|---|---|
| IE | Water is not entering the washer, or the supply is too weak to fill it. | 5 causes |
| UE | The load is out of balance, so the washer cannot spin it. | 3 causes |
| dE, dE1, dE2, dE4 | The door is not secured. | Checks |
| OE | The washer cannot drain. | 3 causes |
| tE | Control error (temperature sensor error). | Checks |
| FE | Overflow error: the water level is too high because of a faulty water valve. | Checks |
| PE | Pressure sensor error: the water level sensor is not working correctly. | Checks |
| LE | Motor locked error: a motor error has occurred. | Checks |
| Sud | Oversudsing detection: too much detergent. If too many suds are detected during spinning, the washer stops to help prevent leaking. | Checks |
| PF | On the WM3600H*A, a water level sensor error: the water level is too low or too high for the load. On the WM4200H*A, a power failure. | Checks |
| FF | Frozen error: the inlet hose, drain hose or drain pump is frozen. | Checks |
| CL | Not a fault. Control Lock is on, so the buttons cannot change cycles or operate the washer. | Checks |
| tCL | Not a fault. The drum needs cleaning, or the Tub Clean cycle is running. | Checks |
| uS | Vibration sensor error: the vibration sensor malfunctions. LG gives no owner fix. | Checks |
dE, dE1, dE2, dE4
dE, dE1, dE2 or dE4 in the display. The door is not secured.
- Close and secure the door.
tE
tE in the display. Control error (temperature sensor error).
- Unplug the washer, wait 60 minutes, reconnect the power and try again.
FE
FE in the display. Overflow error: the water level is too high because of a faulty water valve.
- Close the water faucets and unplug the washer.
PE
PE in the display. Pressure sensor error: the water level sensor is not working correctly.
- Close the water faucets and unplug the washer.
LE
LE in the display. Motor locked error: a motor error has occurred.
- Let the washer stand for 30 minutes, then restart the cycle.
Sud
Sud in the display. Oversudsing detection: too much detergent. If too many suds are detected during spinning, the washer stops to help prevent leaking.
- Turn the washer off and on, then run the Rinse+Spin cycle to remove the suds.
- Use no more than the recommended amount of detergent next time.
PF
PF in the display. On the WM3600H*A, a water level sensor error: the water level is too low or too high for the load. On the WM4200H*A, a power failure.
The water level does not match the load. Source: Troubleshooting: Error Messages, p. 43
- Unplug the washer, wait 60 minutes, reconnect the power and try again.
A power failure or inadequate electrical service occurred during operation. The WM4200H*A manual calls PF a power failure. Source: Troubleshooting: Error Messages, p. 43
- Press Start/Pause to restart the cycle.
FF
FF in the display. Frozen error: the inlet hose, drain hose or drain pump is frozen.
- If an inlet hose is frozen, thaw it. See Thaw frozen water inlet hoses.
- If the drain hose is frozen, thaw it. See Thaw a frozen drain hose.
CL
CL in the display. Not a fault. Control Lock is on, so the buttons cannot change cycles or operate the washer.
Control Lock is on. Source: Operation: Options and Extra Functions: Control Lock, p. 30
- Hold the Soil and Extra Rinse buttons together for 3 seconds to turn Control Lock off.
Control Lock is on. Source: Operation: Options and Extra Functions: Control Lock, p. 31
- Turn on the power, then hold the Rinse+Spin button for 3 seconds to turn Control Lock off. A chime sounds and the remaining time returns to the display.
tCL
tCL in the display. Not a fault. The drum needs cleaning, or the Tub Clean cycle is running.
- Run the Tub Clean cycle with the drum empty. See Run the Tub Clean cycle.
Source Source: Maintenance: Automatic Alert for Tub Clean, p. 37
uS
uS in the display. Vibration sensor error: the vibration sensor malfunctions. LG gives no owner fix.
Problems
- Water does not drain or drains slowly3 causes in the manual. First: the drain hose is kinked, pinched or clogged.
- Washer is not filling properly5 causes in the manual. First: the inlet filters on the fill valves are clogged.
- Washer will not operate or does not turn on6 causes in the manual. First: the control panel powered off after a period of inactivity.
- Water leaks from the washer4 causes in the manual. First: the hoses are not connected correctly.
- Washer is noisy or vibrates7 causes in the manual. First: keys, coins or safety pins are in the drum or the pump (rattling or clanking).
- Musty or mildew smell in the washer5 causes in the manual. First: too much detergent, or detergent that is not HE.
- Washer will not connect to Wi-Fi5 causes in the manual. First: the Wi-Fi password was entered incorrectly.
Wash cycle takes longer than the display time
The washer adjusts the cycle time to the load size, water pressure and other conditions. The displayed time is an estimate. Source: Troubleshooting: Operation, p. 45
Washer stops for a few minutes and then restarts
A motor protection device has activated to keep the motor from overheating. Source: Troubleshooting: Operation, p. 47
How-to
- 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 frozen water inlet hosesWhen FF appears and the inlet hoses are frozen.
- How to thaw a frozen drain hoseWhen FF appears and the drain hose is frozen.
Maintenance
| Task | When | Source |
|---|---|---|
| Clean the door seal | Once a month | Source: Maintenance: Cleaning the Door Seal, p. 38 |
| Run the Tub Clean cycle | Monthly; the tCL alarm generally appears every one to two months | Source: Maintenance: Cleaning the Drum; Automatic Alert for Tub Clean, pp. 36-37 |
| Remove and clean the detergent dispenser drawer | Once or twice a month | Source: Maintenance: Cleaning the Dispenser Drawer, p. 37 |
| Clean the drain pump filter | Periodically | Source: Maintenance: Cleaning the Drain Pump Filter, p. 39 |
| Wipe the door and inside of the door seal dry, and leave the door open after use so the drum dries | After each wash | Source: Maintenance: Regular Cleaning; Leaving the Door Open, pp. 36-37 |
| Before storing where it may freeze: drain the hoses and tub, add 1 gallon of non-toxic RV antifreeze to the empty drum, run Spin for 1 minute, unplug the washer and dry the drum | Before storage in freezing temperatures | Source: Maintenance: Care in Cold Climates, p. 40 |
Settings
| Setting | Options | Notes | Source |
|---|---|---|---|
| Control Lock (WM4200HBA) | Hold the Rinse+Spin button for 3 seconds with the power on | Locks all buttons except Power and does not lock the door. CL and the remaining time alternate in the display during the cycle. Power off does not reset it. | Source: Operation: Options and Extra Functions: Control Lock, p. 31 |
| Control Lock (WM3600HWA) | Hold the Soil and Extra Rinse buttons for 3 seconds to turn it on or off | Locks all buttons except Power and does not lock the door. CL and the remaining time alternate in the display. | Source: Operation: Options and Extra Functions: Control Lock, p. 30 |
| Delay Wash | Each press adds 1 hour, up to 19 hours | Delays the start of the cycle. Press Start/Pause to begin the delay; if it is not pressed, the washer turns off after a certain time and all cycle settings are lost. | Source: Operation: Options and Extra Functions: Delay Wash, p. 30 |
| Signal (WM4200HBA) | Press the Signal button to turn on or off | Turns the end-of-cycle melody and the button tones on or off. | Source: Operation: Options and Extra Functions: Signal, p. 31 |
| Fresh Care (WM4200HBA) | With a cycle selected, hold the Steam button for 3 seconds; press Start/Pause or Power at any time to unload | Tumbles the drum periodically for up to 19 hours after the cycle to prevent wrinkles when you cannot unload right away. | Source: Operation: Options and Extra Functions: Fresh Care, p. 30 |
| Add Item (WM4200HBA) | Press the Add Item button while a cycle runs | Pauses the cycle and unlocks the door so you can add garments or remove coins and keys, then Start/Pause resumes it. The door stays locked if the water level is too high or the drum is hotter than 113 °F (45 °C). | Source: Operation: Options and Extra Functions: Add Item, p. 30 |
| Signal (WM3600HWA) | Hold the Signal button for 3 seconds to turn on or off | Turns the end-of-cycle melody and the button tones on or off. | Source: Operation: Options and Extra Functions: Signal, p. 31 |
| Wi-Fi (LG ThinQ) | Hold the Delay Wash button for 3 seconds to connect to the LG ThinQ application | The Wi-Fi indicator lights when the washer is connected to a home network. | Source: Operation: Options and Extra Functions: Wi-Fi; Remote Start, p. 30 |
Parts and consumables
| Item | Replace or refill | Specification | Source |
|---|---|---|---|
| Detergent | – | HE (High-Efficiency) detergent only, at 1/4 to 1/2 of the maximum amount the detergent maker recommends | Source: Troubleshooting: Operation, p. 45 |
| Tub Clean cleaner | Monthly | Drum cleaner, lime scale remover, liquid chlorine bleach or cleaning tablets, used with the drum empty | Source: Maintenance: Cleaning the Drum, p. 36 |
Specifications
Front-loading washer with a Steam option, LG ThinQ Wi-Fi control and a maximum spin of 1300 RPM. Source: Product Specifications; Options and Extra Functions, pp. 8, 29-30
Faults show as short codes in the display: IE (inlet), UE (unbalanced load), dE, OE (drain), tE, FE, PE, LE, Sud, PF, FF and uS. CL (Control Lock) and tCL (Tub Clean alarm) are not faults. Source: Troubleshooting: Error Messages, pp. 42-44
The washer fails to drain when the drain pump filter is clogged. LG says to clean the filter periodically. Source: Maintenance: Cleaning the Drain Pump Filter, p. 39
| Electrical | 120 VAC at 60 Hz | Source: Product Specifications, p. 8 |
|---|---|---|
| Water pressure | 20-120 psi (138-827 kPa) | Source: Product Specifications, p. 8 |
| Dimensions (W x H x D), WM3600H*A | 27 x 39 x 30 1/4 in (70 x 99 x 77 cm); 55 in (139.6 cm) deep with the door open | Source: Product Specifications, p. 8 |
| Dimensions (W x H x D), WM4200H*A | 27 x 39 x 33 1/8 in (70 x 99 x 84 cm); 57 3/4 in (146.6 cm) deep with the door open | Source: Product Specifications, p. 8 |
| Net weight, WM4200H*A | 202 lb (92 kg) | Source: Product Specifications, p. 8 |
| Net weight, WM3600H*A | 198.4 lb (90 kg) | Source: Product Specifications, p. 8 |
| Maximum spin speed | 1300 RPM | Source: Product Specifications, p. 8 |
Recalls
No exact-model match for WM3600HWA, WM4200HBA in the U.S. Consumer Product Safety Commission recall database, checked . Recalls can name model families, so also check current recalls for LG.
Service 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. 51, 56
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.
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