近半年来我段配属的东风。型144号等4台机车多次出现励磁接触器（LC）动作过于滞后，即主手柄提一位LLC及1一6C动作后再过1～2sLC才吸合，有时竟长达3s以上，致使乘务员认为电器故障，在排除过程中l。C突然吸合走车，给乘务工作带来一定的困难。1故障原因（1）16C辅助联锁延时 Nearly half of my segment of the east wind. Type 144 and other four locomotives repeatedly appeared exciter contactor (LC) action is too lag, that is, the main handle to mention a LLC and 1 to 6C action after 1 ~ 2sLC only pull, sometimes as long as 3s or more, resulting in Flight attendant that the electrical failure, the elimination process l. C suddenly pull the car, bring some difficulties to the crew work. 1 fault reason (1) 16C auxiliary interlock delay