A:
The error codes most likely to be displayed on the LG - 2.0 Cu. Ft. Full-Size Microwave - Stainless Steel, Model # LCRT2010ST are; F1, F2, F3, F4 and F5. We do not have anything showing for error code "H90". Please contact our Support Center at (800) 243-0000 for assistance with this issue...^IFV