mitsubishi A2USHCPU FAULT

[fn180587]

a LITTLE HELP IS REQUIRED
THE MENTIONED PLC HAS ERROR LED ON N RUN LED FLASHING AFTER POWER UP WHAT CAN BE THE POSSIBLE ROOT CAUSE THERE IS NO ALARM ON THE PANEL

 

[fn180587]

It's urgent if anyone can help?????????

 

[ajay34]

please do check there are fuse blow for i/o power unit or no output
fuse are blow ..on the output you can see small led showing error light

 

[Goody]

You need the software and lead to connect to the plc. This will tell you the exact problem.
Gx Developer & SC09

 

[Liam Moran]

Check your battery.
If it a new installation make sure the battery is connected.