频器的SIPROTEC@ 7UM62 RELAY(继电器)动作,有这样的信号发生:pickup /warning.我发现是一个综合故障:是不是我的电机又出事了.综合报警内容是:f1 picked up, u
fault L1,u>picked up ,u>>picked up,Pr picked up ,Uo>picked up ,3I0>picked up ,0/L I alarm ,0/L Θ alarm ,I2>>picked up ,I2>picked up ,I>>fault L1,I>>fault L3,I>>fault L3,diff. picked up. 我们用的西门子的电机,怎样处理这个故障,请专家给点意见,万分感激.........