IDC发生器报错E01

一台加拿大IDC开机报错E01,查故障代码为三相电源有问题。但是检查了所有保险确定三相电源正常。猜测是检测电路不正常。发生器是赛德科的。请教一下大神，有修过这种问题的吗？

这个是sedecal：
DESCRIPTION : Failure in power up routine.
No communication between HT Controller Board and ATP Console CPU Board.
ERROR TYPE : Fatal error. Generator can not continue with power up.
APPLICABLE TO : All Generators
APPEARS WHEN : Only during initialization phase. If it appears during normal functioning of equipment, it means that
a problem has caused a power off in the Console.
INFORMATION / SYMPTOM : This Error Code needs to turn OFF/ON the Generator to be fixed.
It has not been possible to establish a correct communication between ATP Console and HT
Controller Boards during power ON and the Generator is not able to make Exposures.
If Led 1 of the HT Controller remains lit, it means that HT Controller has not been started.

谢谢。确实是主板通信的问题。