mitsubhisi plc cpu

[indra]

Hi,

I have PLC MITSUBISHI type FX0N-40MR-ES.
At the moment, i have problem , the BOTH LED on front panel PLC are light on, it means CPU ERROR ( CPU-e ).
Please inform me HOW TO SOLVE this problem ?

Regards,

INDRA

 

[Sergei Troizky]

Hardware problem is the last to suspect.
Either the PLC does not contain any program, or the program is erroneous, or the program execution generates an error due to wrong/lost data.