problem in the RB600 And daugterboard RB564

Hello
problem in the RB600 And daugterboard RB564

I have a RB600 with 6 R52 adn 2 200 mw compex , the power supply is 48v 1.6A
daugterboard RB564 ( 4 R52 )
RB600 (2 R52 and 2 200mw compex)
after enable interface wireless 1 or 2 all interface disconnect or reboot routerboard
and connect user in the interface wireless 3 after 15 min interface hang

It’s a bug?

Did you try the firmware upgrade described in http://forum.mikrotik.com/t/rb600-reboot-fix/20103/1 ?

-Gerard