sadoan

Hi everyone ! I’m new member of Unitronic Family ! I had know about Unitronic very long time ago ! But now I have contact it at new factory ! I’m technical of Dao Coffee Factory at Laos, At here have 2 machine filling&packing, them buy from Thailand which use Unitronic Vision120-22-UN2 connect with inverter to control speed machine and something other (solenoil valt,thermocouple….). Machine Run when press Start button. But now get problem : When I power on machine, motor auto run while I didn’t press start Button. I can’t press Start or Stop button to stop machine. Pls help me ! I find very doccument about Unitronic but can’t resolved this problem ! Thank you very much !