Skip to main content
CNC.wikiCNC.wiki
Back to wizard
F
FanucGeneral Series CNC

351Alarm 351 (SERIAL PULSE CODER COMMUNICATION IS ABNORMAL) Diagnostic Tree

1
2
3
Step 1 / 3
Check the diagnostic data DGN 0202 or 0203 on the CNC screen to identify the specific communication error bit (Bit 7: DTE for no response, Bit 6: CRC or Bit 5: STB for erroneous transferred data).

Need professional support or original spare parts?

With 25+ years of CNC industry experience, I provide brand-independent on-site support and original spare parts services.

View Services