Engraving machine boot reset to what a bad limit switch:
Limit switches not top 1, top, are more.
2, drive line contact is bad, try to get the drive line firmly fixed.
3, the limit switch cable not connected, connect the line.
4, limit switches, change can be.
Engraving machine liquid blocks do not display or garbled on startup:
1, first of all check handles cable is connected properly, if connected connect the line to the end.
2, lines directly connected to the hydraulic block handle to see if normal, if normal intermediate switch wiring bad-for-you.
3, opened the control examination Board is loose if loose interface tightly to it.
Block 4, liquid, instead.