GE WESDACD20M是线路保护板，具有7个跳线和2个接线端子，每个接线端子有3个端子，跳线标识为JP1到JP7，它还包含测试点。这个板子安装在驱动器的另一个组件的支架上，连接到电路板的信号线源自另一个组件。如果怀疑电路板无法正常工作，可以采取几个步骤来确定电路板是否有故障。

It is a circuit protection board with 7 jumpers and 2 wiring terminals, each with 3 terminals. The jumpers are labeled JP1 to JP7, and it also includes test points. This board is installed on the bracket of another component of the driver, and the signal wire connected to the circuit board originates from another component. If you suspect that the circuit board is not functioning properly, you can take several steps to determine if there is a fault with the circuit board.