6.Troubleshooting and Maintenance
Preventive Maintain
∙Periodic check for loose connection
ATTENTION: To avoid electircal shock or unintended operation of the module, remove incoming power before checking connections.
Using the LED Indication
The LED provides status information on Modules operation. The troubleshooting about shows LED indicator. It also shows how to use the LED to detect and correct common operating problems.
| LED |
| What it Means: | What to do: | ||||
| OFF |
| 1. Module is not receiving input | 1.Check module wiring, cable | ||||
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| power by loosing wiring. | connections, and cable connections | |||
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| on terminal block. | ||
| ON(RED) |
| 1.Normal receiving state. | 1.No action required. | ||||
| Flashing |
| 1.Normal transmitting state. | 1. No action required. | ||||
Other Malfunctions |
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| Problem |
| What it Means: |
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| Do not |
| 1.Loose wiring |
| 1. Check wiring and cable |
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| function |
| 2.Incorrect DIP switch setting | connection |
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| 2. Check Baudrate and |
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| data packet setting of |
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| the DIP switch. |
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Troubleshooting and Maintenance