Error 4026 · CNC 8055 M · CNC 8055 T
Message: SERCOS chip RAM memory error
Detection
During execution.
Effect
It stops the movement of the axes and the spindle, eliminating all the enable signals and canceling all the analog outputs of the CNC. When detected from the position loop, it opens the position loop and sets the LOPEN mark to ·1·.
If it is in execution, it interrupts the execution of the part program of the CNC of all channels.
Besides this, it activates the external emergency output.
Solution
Contact the service department to replace the SERCOS board.