MODEL PROFILE
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Error codes and display signals
The official manual linked for this model documents these messages. Some indicators apply only to variants that display them; each entry is labeled as a code, indicator, or status.
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MODEL OVERVIEW
About this model: LG WM6998HBA
LG WM6998HBA is a Black Steel all-in-one WashCombo with distinct LCD water, motor, compressor and ezDispense messages.
What the Black Steel WashCombo includes
WM6998HBA is LG's Black Steel 5.0 cubic foot WashCombo, a single machine that washes and heat-pump-dries clothes. The exact specification names this finish and an all-in-one front-loading layout; the linked owner's cover identifies the WM6998H*A family and its product overview names the same series. Ventless condensing drying changes the maintenance pattern: there is no exterior dryer exhaust to inspect, but water drainage, lint removal, and condenser care matter. It would be wrong to transfer a vented dryer's duct blockage code table to this washer-dryer.
The panel has a round cycle dial, Previous and OK controls, and an LCD status area. It shows settings, remaining time, and messages instead of only a few lamps. The specification lists 30 wash cycles and 18 options, including an automatic detergent dispenser, TurboWash 360, steam washing, and ThinQ connectivity. Drying is built into the same cabinet rather than requiring a matching freestanding dryer. Identifying the exact label and the displayed phrase is essential, because a similarly styled LG washer may not have this model's compressor or drying fan.
Using wash and dry functions appropriately
Wash+Dry runs both operations in sequence, while AI Wash+Dry brings sensing into the combined programme. The documented cycle list also includes Normal, Bedding, Towels, Quick Wash, Heavy Duty, Allergiene, and Dry Only. A dry-only choice is useful when a washed load needs more time; the troubleshooting FAQ says remaining dry time can change as the sensor detects moisture. That changing estimate is not automatically a fault. Fabric mix, load size, and starting wetness all affect the eventual duration.
The ezDispense reservoirs supply detergent and softener automatically when configured. The owner guide separates a normal programme choice from a drawer or dosing warning. LG also provides a Clean the filter reminder and an auto-cleaning condenser system. A message asking for filter attention should be handled by cleaning the appropriate lint path after pausing or finishing, whereas a true dispenser error has its own service advice. This distinction is especially important on a combination appliance because a clogged filter can make the drying phase feel unexpectedly long even when the wash phase completed.
Water and motor messages during washing
The owner's LCD table prints named messages rather than promising a universal two-letter code for every problem. Water supply points first to shut faucets, kinked inlet hoses, blocked inlet screens, or low household pressure. Drainage directs attention to a crushed or clogged drain hose; the continuation table also specifies that its end must not be more than 96 inches above the washer bottom. Door open and Door unlocked have separate rows, so check the seal and obstruction before assuming an electronic lock has failed.
Unbalance may be corrected by adding suitable items or redistributing tangled garments. No water detected is different: LG describes a water-level sensor issue and directs the owner to shut the faucets, unplug, and seek service. Motor error allows the unit to stand for 30 minutes before a retry, followed by service if it remains. Water too high suggests a faulty valve. The table also distinguishes a frozen hose or pump, loss of supply power, and abnormal voltage. Treat the exact LCD wording as the starting point; these causes require different checks.
Drying and component warnings
The heat-pump portion has its own faults. Drum temp error reports excessive drum temperature; Compressor error says the compressor is malfunctioning. Fan motor error and Infrared sensor error name separate parts of the drying air system. For these component faults, the manual instructs disconnecting power and requesting service. It also gives Temp sensor error for a faulty thermistor. A persistent displayed component message should not be cleared by repeatedly starting another Wash+Dry cycle; record the wording and use the source table for the correct action.
Some messages are more accessible. Filter assembly means the filter was removed and needs reinstalling. Clean the filter requests lint removal and warns that drying time increases when the filter remains blocked. Shipping bolts not removed error is an installation issue; bolts should be removed before operation to prevent damage. These cases are different from a failed compressor or infrared sensor. The p55 FAQ also explains that a clogged drain pump filter, lint filter, or condenser can lengthen drying, so regular cleaning supports both performance and accurate diagnosis.
Dispenser alerts and an efficient service record
The ezDispense section lists Check det. Tank when detergent has hardened or the reservoir level does not fall, and Check soft. Tank for a comparable softener issue. The manual prescribes cleaning and refilling the correct tank, then running a wash cycle; a repeated message calls for service. No detergent, No softener, and ezDispenseTM error concern injection failures and have service directions. Drawer open means the drawer was not fully closed or opened during operation. These are dosing and drawer problems, not the heat-pump fault list.
Before a repair call, note the full screen message, the cycle phase, whether water fills or drains, and whether drying alone is affected. Clean accessible filters and check hoses only where the owner's instructions allow it, then stop if a fault involving wiring, sensors, compressor, or fan persists. ThinQ and Smart Diagnosis can add context, but the physical LCD and linked WM6998H*A owner PDF provide the direct evidence for WM6998HBA. The goal is to report the actual observed condition rather than infer a generic error code from another LG machine.
Verified model details
Exact Black Steel 5.0-cu-ft ventless washer-dryer combo
Source for this detail · Source page: 1Rendered p25 panel and p55-p57 multi-system diagnostics
Source for this detail · Source page: 55Separate water, drying, filter and ezDispense paths
Source for this detail · Source page: 25
This description summarizes the linked source documents; check each cited source for your exact model and region.
Manufacturer source
Open official source
LG WM6998HBA.ABLEEUS: Support, Manuals, Warranty & More | LG USA Product Support Page
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.