User Manual Q&AAnswer
Nov 28, 2025 - 09:50 AM
To troubleshoot issues with the IoT device on your Ecoer Smart Inverter (ESI) Unitary system, follow these steps based on the LED indications provided in the user manual:
1. **Blue LED (No.1):**
- **Blinking:** Indicates the IoT device is running normally.
2. **Red LED (No.2):**
- **Always ON:** Indicates the IoT device is booting up.
3. **Green LED (No.3):**
- **Always OFF:** Indicates LTE connection is established.
- **Always ON:** Indicates LTE connection is not established.
- **Blinking:** Indicates local link connection is not established.
**Troubleshooting Steps:**
- If the IoT device fails to boot up, consider replacing it with a new one.
- After replacing the IoT device, monitor the No.3 LED for two (2) minutes. If the issue persists, replace the PCB of the condensing unit.
- Ensure there is a strong LTE signal around the condensing unit. Install an AT&T signal booster if needed.
- If the ESS Plan is expired, subscribe to extended monitoring service by confirming the ESS Plan status with Ecoer Customer Service Team.
By following these troubleshooting steps and understanding the LED indications, you can effectively diagnose and resolve issues with the IoT device on your Ecoer Smart Inverter (ESI) Unitary system.
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