Epson EM07ZS1647F - Manual (Page 155)

4. Troubleshooting (EtherNet/IP)
4.3.2 Problems and Countermeasures
Master Unit LED
MS NS
Error Description [Reference]
Green
Light ON Green
Light ON Normal
communication - Normal condition
Green
Light ON Green
Light
Blinking During connection
establishment - Processing connection establishment
(The NS LED will be ON in green in a few seconds.)
- Master function in stop state
(Communication does not start.)
Green
Light ON Red Light
Blinking Communication
timeout - Network channel error
Green
Light ON Light OFF IP address not
defined
- The IP address is not defined
Red Light
Blinking No Matter Critical error [Refer to the section 4.3.3 Tests and diagnostics.]
- Unrecoverable critical error
Red Light
ON No Matter Module error [Refer to the section 4.3.3 Tests and diagnostics.]
- Recoverable error occurred
Light OFF No Matter error [Refer to the section 4.1.2.5 Absent Slave.]
- No slave (Error detection before communication
establishment)
- Communications power supply OFF
Light OFF Light OFF Not initialized status [Refer to the section 2.9.5 Master Mode and 2.9.6
Slave Mode.]
- The communication board is not initialized
Check the configuration
Fieldbus I/O Rev.6 143