Dear Enrico,
As spoken with Adisak, He had founded that the faceplate problem (some time) during of operating with no active, then the PA ABB (Thailand) came to investigated and found that to noting problem so, he was suggested IRPC to check the faceplate linking when problem or inform him of problem again.
Now, The faceplate has been occurred again without nothing IRPC to do the reset and ask ABB to check a problem and fix it at site urgent.
Dear Khun Watchara,
Due to the urgently case of IRPC requested ABB for investigation this problem and SG ABB are so far for coming, So could you please kindly to ask your engineer come to site for investigate and make a report to us, it will be transfer to SG ABB further proceed of fix it.
Best Regards,
Thiti P.