EdgeRouter Lite problem

Network:

Network A 192.168.33.1 = EdgeRouterPro ---> 192.168.33.10 = PowerBeam AP (bridge) -> 192.168.33.20 PowerBeam ST (Bridge) ---> 192.168.33.30 PowerBeam AP2(bridge) ---> 192.168.33.40 PowerBridge ST2 (Bridge) ---> 192.168.33.50 EdgeRouter Lite eth1, eth0 (ISP), eth2 (Network B) LAN 192.168.1.201.

Problem:

Network A: ping 192.168.33.50 = OK, work.

Network B: ping 192.168.33.1 = Failure, not work.?????

EdgeLite = FailOver.

All device firmware lastet. 

THX