Q: There is No.414 alarm on the GSK 980TD CNC system: “Software overtravel in Z negative direction”, what should I do?

A: Press “RESET” key and move Z axis in positive direction. Similar solution for No.411, 412 and 414 alarms.

GSK980TD Specification:

http://www.cncmakers.com/cnc/controllers/CNC_Controllers_for_Lathes/GSK980TD.html