LG lists the WCEP6423D as a combination wall oven (oven plus microwave in one cavity stack) in its 4.7 cu. ft. class. On this platform, the F2 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 wall oven most often trace to one of a short list: the F2, F9 or F31 fault codes. We confirm which one applies against the model and serial number before ordering a part.
Key Features
- Convection fan in the main cavity
- Self-clean cycle
- Combination wall oven (oven plus microwave in one cavity stack)
- Sold in 2 finish options on this platform
- Rated at 4.7 cu. ft.
Most Common Issues on This Model
01
F2 fault code — oven temperature sensor fault
02
F9 fault code — self-clean door-latch fault
03
F31 fault code — second-cavity fault on double-oven control boards