| Hom | Hom | Siv tau |
| LG (Sigma) | DOR-200 | LG (Sigma) of elevator |
LG Sigma of the elevator door machine board GSEP-MO1 tswj board DOR-200/3X02445 of elevator motherboard. Yog tias koj xav tau lwm cov qauv, thov koj xav tiv tauj peb. Peb muab ntau hom elevator qhov chaw hauv ntau cov qauv.