| Hom | Hom | Siv tau |
| Schindler | ID.NR.591708 ID.NR.591706 ID.NR.594426 ID.NR.594464 | Schindler of elevator |
Qhov PCB no yog siv rau Schindler 5400 of elevator outbound call control board, tus qauv yog ID.NR.591708 ID.NR.591706 ID.NR.94426 ID.NR.594464 . Yog tias koj xav tau lwm yam khoom lag luam, thov ua siab zoo xa peb cov lus nug, peb muab ntau hom elevator qhov chaw hauv ntau cov qauv.