Lathe Machine CNC controller
When inputting commands to the lathe machine CNC controller, it response very slow, this could be the keyboard problem, open the CNC controller and check but all the wiring and keys are in good condition.
Then it should be the main board problem of the CNC controller, change the board and reset the parameters the CNC controller resumed.
Sometimes the CNC controller responses very slow could be the memory full, delete some CNC programs not in use will be helpful.
GSK980TDb Lathe machine CNC controller
GSK928TEII Lathe Machine CNC controller