
LDTH555NS is LG’s model number for this top-control dishwasher. LG’s own US product page still carries this model with an active status flag, read 24 September 2026. On this platform, the IE fault code is one of the more common reasons it gets a service call.
Service calls on this dishwasher most often trace to one of a short list: the IE, FE or tE fault codes. We confirm which one applies against the model and serial number before ordering a part.
Key Features
- Adjustable rack system
- Filtration system ahead of the circulation pump
- Top-control dishwasher
Most Common Issues on This Model
IE fault code — won't fill in the expected time
FE fault code — overfilling or leakage, sometimes shown as AE or EI on older models
tE fault code — temperature-sensor fault affecting the wash or dry cycle

