smec pl 2000 sy

Hi guys,
I'm Paul and i'm new in this field, but i will do my best to learn it good.
I have a problem with the SMEC PL 2000 SY machine, i got a bar feeder alarm , but i checked and it was allright, the problem is it wont start anymore. how can i reset it or what should i do to fix it.
thank you guys