Epson EM07ZS1647F User Manual page 98

4. Troubleshooting (DeviceNet)
4.1.2.2 Master: Busoff Detection
Green
Light ON
86
Master Unit LED
MS NS
Red Light Busoff detection
ON
Duplicate MAC ID
Error
Communication stopped due to critical
error.
The MAC ID configuration was
duplicated. (This error occurs only
during unit start-up)
Description
Fieldbus I/O Rev.6