1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your ANENJI WiFi Module. This device enables remote monitoring of compatible MPPT On/Off Grid Hybrid Solar Power Inverters, providing convenient access to your system's performance data.
2. Package Contents
Please verify that all items listed below are included in your package:
- ANENJI WiFi Module (x1)
- Antenna (x1)
- Communication Cable (x1)
- Mounting Screws (x2)
- Quick Installation Guide (x1)


3. Setup Instructions
3.1 Physical Installation
- Attach Antenna: Screw the antenna firmly onto the designated port on the WiFi module body.
- Connect Communication Cable to Module: Plug one end of the communication cable into the WiFi Module.
- Connect Communication Cable to Inverter: Plug the RJ45 head of the communication cable into the RS232 port on your compatible solar inverter.

3.2 Network Configuration (SmartESS App)
Follow these steps to configure the WiFi module using the SmartESS application:
- Download the SmartESS App: Scan the QR code provided in the Quick Installation Guide or search for "SmartESS" in your app store (available for Android and iOS).
- Access WiFi Configuration:
- Open the SmartESS app.
- Click on "Toolbox" from the login screen.
- Select "Wi-Fi network" from the options.
- Connect to Datalogger WiFi:
- The app will prompt you to enter the Wi-Fi list interface of your mobile phone. Click on "the system connection" to go to your phone's Wi-Fi settings.
- Locate and connect to the WiFi network broadcast by the datalogger (e.g., starting with "Q00...").
- The default password for the datalogger WiFi is 12345678.
- Return to the SmartESS app after connecting.
- Connect to Local WiFi Router:
- In the app's "Network Setting" screen, click the WiFi icon next to "Router name" to scan for available local WiFi networks.
- Select your local WiFi network (router name) and enter its password.
- Confirm the settings. The module will reboot.
- Note: Wi-Fi with 5GHz wireless frequency is not supported. Ensure your router is operating on 2.4GHz.
- Verify Connection: After the router setting is successful and the module reboots, the app should display "Connect ready". You can then click "Diagnose" to check the network status. A successful configuration will show a connection from Inverter to Datalogger, Router, and Server.

4. Operation
4.1 Remote Monitoring
Once the WiFi module is successfully configured and connected to your local network and the internet, you can remotely monitor your solar inverter's performance through the SmartESS app. Log in to your account within the app to view real-time data and historical records.
4.2 LED Indicators
The WiFi module features several LED indicators to show its status:

- PWR (Power): Indicates the power status of the module.
- COM (Communication): Indicates communication status with the inverter.
- NET (Network): Indicates connection status to the local WiFi network.
- SRV (Server): Indicates connection status to the remote monitoring server.
5. Maintenance
The ANENJI WiFi Module is designed for low maintenance. To ensure optimal performance:
- Keep the module clean and free from dust and debris.
- Ensure all cable connections are secure and free from damage.
- Avoid exposing the module to extreme temperatures or moisture.
6. Troubleshooting
If you encounter issues with your WiFi module, refer to the following common problems and solutions:
6.1 Network Connection Issues
If the SmartESS app indicates an "Inverter with datalogger communication exception" or similar network issues, consider the following repair advice:
- Check Power: Verify that both the inverter and the datalogger (WiFi module) are properly powered on.
- Inverter Address: Ensure the inverter address is set correctly, typically between 1 and 5.
- Inspect Connections: Check the physical connections between the inverter and the datalogger for any abnormalities, such as loose contacts, issues with the 485 interface AB, or cable damage.
- Restart Devices: Try restarting both the inverter and the datalogger. Observe if the anomaly is eliminated after the restart.
6.2 Compatibility Issues
The WiFi module is designed for specific ANENJI inverter models. If you are experiencing connection problems, ensure your inverter model is compatible. Compatible models include, but are not limited to: ANJ-4000W-24V-WiFi, ANJ-6200W-48V-WiFi, ANJ-11000W-48V-WiFi, ANJ-2000W-12V-WiFI, and ANENJI HHP-II-6.2KP-WiFI. If your model is not listed, please contact customer support for verification.
6.3 WiFi Frequency
Remember that the WiFi module does not support 5GHz wireless frequency. Ensure your local router is configured to use the 2.4GHz frequency band, as the module does not support 5GHz.
7. Specifications
| Feature | Detail |
|---|---|
| Brand Name | ANENJI |
| Output Type | SINGLE |
| Is Smart Device | Yes |
| Origin | Mainland China |
| Certification | CE |
| High-concerned chemical | None |
| Package Length | 10 cm |
| Package Width | 10 cm |
| Package Height | 10 cm |
| Package Weight | 0.1 kg |
| Compatible Inverter Models | ANJ-4000W-24V-WiFi, ANJ-6200W-48V-WiFi, ANJ-11000W-48V-WiFi, ANJ-2000W-12V-WiFI, and other compatible ANENJI hybrid solar inverters. |
8. User Tips
- Check Inverter Compatibility: Before purchasing or installing, always confirm that the WiFi module is compatible with your specific ANENJI inverter model. Refer to the specifications section or contact customer support if unsure.
- Datalogger WiFi Password: The default password for connecting to the datalogger's direct WiFi network during setup is 12345678.
- 2.4GHz WiFi Only: Ensure your home or local network router is configured to use the 2.4GHz frequency band, as the module does not support 5GHz.
- App Updates: Keep the SmartESS app updated to the latest version for optimal performance and access to new features.
9. Warranty and Support
For technical assistance, troubleshooting beyond this manual, or inquiries regarding warranty, please contact ANENJI customer support. Keep your purchase records handy when contacting support.
- Certified Original: This product is certified as original.
- Security & Privacy: ANENJI is committed to protecting your privacy and personal details.