4. Troubleshooting (EtherNet/IP)
4.3.2 Problems and Countermeasures
Master Unit LED | Error | Description [Reference] | ||
MS | NS | |||
|
| |||
Green | Green | Normal | - Normal condition | |
Light ON | Light ON | communication |
| |
Green | Green | During connection | - Processing connection establishment | |
Light ON | Light | establishment | (The NS LED will be ON in green in a few seconds.) | |
| Blinking |
| - Master function in stop state | |
|
|
| (Communication does not start.) | |
Green | Red Light | Communication | - Network channel error | |
Light ON | Blinking | timeout |
| |
Green | Light OFF | IP address not | - The IP address is not defined | |
Light ON |
| defined |
| |
Red Light | No Matter | Critical error | [Refer to the section 4.3.3 Tests and diagnostics.] | |
Blinking |
|
| - Unrecoverable critical error | |
Red Light | No Matter | Module error | [Refer to the section 4.3.3 Tests and diagnostics.] | |
ON |
|
| - 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 |
