SP1228 Communication Error (Serial Spindle) Search For Search Home Knowledge Base TCM S Machine Alarm SP1228 Communication Error (Serial Spindle) Home Knowledge Base TCM S Machine SP1228 Communication Error (Serial Spindle) A communications error occurred between the CNC and the serial spindle amplifier. Check connections between serial spindle amplifier and CNC. Replace faulty component. Quick tip: Check connections/cabling between spindle amplifier and CNC. Was this article helpful? You must log in to vote Yes No Related Articles Cross and back spindle bore size 0 826 How to use tool life management 1 673 TS205/TS265 Guide Bushing Print 0 597 Private article 0 455 DPI parameter on/off 0 690 Private article 1 399