LG lists the WT7800CW as a top-load washer in its 5.5 cu. ft. class. On this platform, the PE fault code is one of the more common reasons it gets a service call. LG’s own US product page still carries this model with an active status flag, read 24 September 2026.
Service calls on this washer most often trace to one of a short list: the PE, UE or IE fault codes. We confirm which one applies against the model and serial number before ordering a part.
Key Features
- Electronic cycle control with a digital display
- Direct Drive motor rather than a belt-driven transmission
- Top-load washer
- Rated at 5.5 cu. ft.
Most Common Issues on This Model
01
PE fault code — pressure-sensor error
02
UE fault code — unbalanced load detected at spin
03
IE fault code — inlet error - won't fill in the expected time