💡 Front Panel Status LEDs – Meaning of the “i” LED
On the front panel of our gateways, you’ll find several status LEDs, including the “i” LED (Information/Identifier).
This LED was previously under-documented – the following provides a full overview.
📷 GWL Edition:
📋 LED State Overview
| LED State | Color | Meaning |
|---|---|---|
| Solid | 🔴 Red | Overheat detected |
| Blinking fast | 🔴 Red | Fan failure detected |
| Blinking slowly | 🔴 Red | Power supply failure |
| Solid | 🔵 Blue | Local UID active |
| Blinking fast | 🔵 Blue | Remote UID active |
ℹ️ Use Cases for UID Function
Local UID (Solid Blue):
Activated via the physical hardware button to locally identify the device in a rack
→ Useful when multiple identical systems are present
Remote UID (Blinking Blue):
Triggered via a management platform or IPMI interface
→ Especially helpful for remote maintenance or during RMA procedures
🧰 Troubleshooting LED Warnings
| Status | Recommended Action |
|---|---|
| Overheat (red, solid) | Power off the device, check ambient temperature, verify airflow/ventilation |
| Fan fail (red, fast blink) | Check fan operation, replace fan if necessary |
| Power fail (red, slow blink) | Check power supply connection, test internal PSU if needed |
| UID (blue) | No action required – this function is for identification only |
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