Thermal Dynamics CUTMASTER 81 Air Plasma Cutting System 460 Volt, 40181 Phase With SL60 75 Hand Torch With 20 Leads "20" Questions

when we start cutting the sheet with the torch the flame blinks and red indicater (with name D29)glows on the pcb. what is the reason for this. cut master 52,3ph. Check antifreeze and level of your ...