Troubleshooting
Troubleshooting for ENET – RS-485 Communication
This section describes specific troubleshooting for the combined ENET –
See “Troubleshooting for ENET Communication” on page
Table
Symptom | Check | Action |
|
|
|
One of the power supply units | The power supply is not turned | Turn the power supply ON. |
is not responding. | on. |
|
|
| |
| The communication interface is | Check that the |
| not set as a slave unit | selected as the communication |
| the address has not been set | interface and the address is |
| correctly. | correct. |
|
|
|
Sequentially several units are | Check your | |
not responding, e.g. from #21 | disconnected at the first unit that | communication. Try switching the |
to end. | is not responding. | cable linking this unit to the last |
|
| unit that is known to have given a |
|
| response. |
|
|
|
All of the units are not | The ENET communication is | Check the ENET communication. |
responding. | disconnected. |
|
| The HyperTerminal session is not | Check the settings of the |
| configured properly. | HyperTerminal session. Follow |
|
| the instructions in the “Selecting |
|
| |
|
| |
|
|
|