LG uses tCL to remind the owner that the washer tub should be cleaned using the model's Tub Clean procedure.
What tCL means
LG uses tCL to remind the owner that the washer tub should be cleaned using the model's Tub Clean procedure.
What you may notice
- The display or status light shows tCL
- A reminder or maintenance message appears
- Normal operation may continue
- The message can recur after a cycle
Most likely causes
- 01A scheduled maintenance interval was reached
- 02The appliance counted completed cycles
- 03A filter or tub needs cleaning
- 04The reminder was not acknowledged
- 05A maintenance sensor needs service
Safe checks, in order
Start with the simplest non-invasive check. Stop as soon as the error clears; repeated resets can hide a condition without correcting it.
Confirm it is a reminder
Check the exact wording and model manual before treating it as a fault.
Perform approved maintenance
Use only the cycle, cleaner, filter, or part listed by the manufacturer.
Acknowledge correctly
Follow the documented button sequence after maintenance is complete.
Watch for a true fault
Stop if the reminder is accompanied by leaking, overheating, or abnormal noise.
Know where to stop
Never mix cleaning products or run an empty maintenance cycle with an unapproved chemical.
When to call a technician or support
Support is appropriate if the reminder will not clear after the documented maintenance procedure.
When you call, have the exact product model, the complete code or light pattern, and when it appeared.
Where this information came from
We use the manufacturer's current published guidance as the starting point, then organize it into a safer, beginner-friendly sequence.
LG USA Support — front-load washer error-code list Source last checked August 18, 2026. Manufacturer instructions and model manuals take priority over this independent summary.