Elevator Main Board KM763640G01 LCECPU NC BOARD V3F18 Options:Chip Solo do not use anything to

do not use anything to wipe the surface of the module (such as alcohol

with just the console board and connection cable

if the door motor is  asynchronous

*Please pay attention: This inspection board 594408 has the same function as 594217

: 3RT2518-1BM40

Elevator Main Board KM763640G01 LCECPU NC BOARD V3F18 Options:Chip Solo do not use anything toModel No.: KM763640G01 (KM763643H04) Please note that this elevator main board comes with a black chip (as shown in the picture). There is a card slot next to the black chip for a yellow chip. You can use the yellow chip on the original board. If this old chip is lost or damaged, there is an option you can purchase the chip alone.