How to Connect Wi-Fi to a Solis Inverter in Pakistan
By PSI Editorial • June 8, 2026
Atomic Summary: To connect your Solis datalogger, turn off your mobile data, connect your phone directly to the logger's Wi-Fi network (AP_XXXXXXXXX), and use the SolisCloud app's "WiFi Configuration" tool. Alternatively, open a browser, go to 10.10.100.254 (admin/admin), and use the Quick Set wizard to link it to your home router's 2.4GHz network.
Solis has rapidly become one of the top-selling solar inverter brands in Pakistan, favored for its reliability against K-Electric and WAPDA voltage fluctuations. However, whether you live in a multi-story house in DHA Lahore or a dense neighborhood in Karachi, there is one universal complaint among Solis owners: getting the Wi-Fi data logger connected to the internet can be an incredibly frustrating experience.
Your inverter relies on this small USB-like dongle plugged into the bottom COM port to send real-time generation and consumption data to the SolisCloud servers. If the light on the dongle isn't solid, your app will show the system as "Offline." Let's walk through the definitive, step-by-step guide to configuring your Solis Wi-Fi dongle, along with fixes for common Pakistani ISP (PTCL, Nayatel, StormFiber) router issues.
Prerequisites: The 2.4GHz Rule
Before you even open the SolisCloud app, you must understand a critical hardware limitation: Solis data loggers do not support 5GHz Wi-Fi networks.
Most modern fiber internet routers provided by Nayatel, StormFiber, or PTCL Flash Fiber are "dual-band." This means they broadcast two Wi-Fi signals: a faster 5GHz band for your modern smartphones, and a slower, farther-reaching 2.4GHz band for smart home devices. The Solis dongle only contains a 2.4GHz chip.
- Action Required: Ensure your phone is connected to your home's 2.4GHz Wi-Fi network before starting the setup. If your router combines both bands under one name (Band Steering), you may need to log into your router's admin panel and temporarily separate them, naming one "Home_WiFi_2.4G".
Smartphones (especially iPhones and newer Androids) have a feature called "Wi-Fi Assist" or "Smart Network Switch." Because the Solis dongle’s local Wi-Fi does not have internet access, your phone will try to automatically switch to your 4G/5G mobile data during setup. This will instantly break the configuration process. You must manually turn OFF your cellular data before proceeding.
Method 1: Setup via the SolisCloud App (Recommended)
This is the standard method intended by the manufacturer. Make sure you are standing within 1 to 2 meters of the inverter.
Step 1: Connect to the Datalogger's Hotspot
Open your phone's Wi-Fi settings. Look for a new Wi-Fi network that starts with "Solis_" or "AP_" followed by a long string of numbers (this is the serial number printed on the datalogger). Tap it to connect. If it asks for a password, enter 123456789. When your phone warns you "No Internet Connection Available," tap "Stay Connected."
Step 2: Open the SolisCloud App
Launch the SolisCloud app on your phone. You do not need to be logged into your account for this specific step. On the bottom navigation bar, tap on the "Service" or "Tool" icon.
Step 3: Select WiFi Configuration
Tap on "WiFi Configuration." The app will prompt you to scan the QR code located on the datalogger. Use your camera to scan it, or manually type in the serial number.
Step 4: Enter Home Wi-Fi Details
The app will now scan the area for available Wi-Fi networks. Select your home router's 2.4GHz network from the list. Carefully enter your home Wi-Fi password. (Note: Solis dataloggers often fail to connect if your home Wi-Fi password contains complex special characters like &, %, or ^. If it fails, consider changing your home password to letters and numbers only.)
Step 5: Start Configuration
Tap "Start Configuration" and wait. The app will send the credentials to the datalogger. The LED lights on the dongle will start flashing. After about 60 seconds, the "NET" or "COM" light should become solid, indicating a successful connection to the Solis servers.
Method 2: Manual Browser Configuration (The Fallback)
If the SolisCloud app crashes or refuses to push the credentials (a common issue on older Android phones), you can configure the logger manually using a web browser.
| Step | Action Required | |---|---| | **1. Connect Local** | Connect phone Wi-Fi to the "AP_XXXXXX" network (Password: `123456789`). | | **2. Open Browser** | Open Chrome or Safari and type `10.10.100.254` in the URL address bar. | | **3. Login** | A login prompt will appear. Enter `admin` for the username and `admin` for the password. | | **4. Quick Set** | In the left-hand menu of the datalogger dashboard, click on **"Quick Set"** or **"Wizard"**. | | **5. Scan & Save** | Click "Search" to find your home 2.4GHz Wi-Fi. Select it, enter your password, and click "Save". | | **6. Restart Logger** | The page will prompt you to restart the datalogger. Click "Restart". The lights will flash and turn solid. |Troubleshooting LED Indicator Lights
If you've completed the steps but the app still says "Offline," look at the three LED lights on the datalogger dongle. They are your best diagnostic tool:
- Power Light (Red/Green): Should be solid. If it is off, the dongle is not receiving power. Unplug it from the inverter's COM port and plug it back in firmly. Ensure the inverter is turned on (it needs DC power from the panels or grid to run the logger).
- COM Light: Indicates communication between the datalogger and the inverter motherboard. Should be flashing. If it is solid or off, the dongle may be faulty or the inverter’s firmware needs updating.
- NET Light: Indicates connection to the internet. Flashing: Trying to connect to your router. Solid: Successfully connected to the internet and transmitting data to SolisCloud.
Final Thoughts: Wi-Fi Extenders in Pakistan
Because inverters are often installed in garages, basements, or rooftop cabins, the Wi-Fi signal from your PTCL or StormFiber router located in the TV lounge might be too weak to reach the datalogger. If your phone only shows 1 bar of Wi-Fi while standing next to the inverter, the datalogger will constantly disconnect.
In this scenario, the best solution is to purchase a cheap 2.4GHz Wi-Fi Extender (like a TP-Link TL-WA850RE, available for around PKR 5,000 on Daraz). Plug the extender into an AC socket halfway between your main router and the inverter, and then connect the Solis datalogger to the extender's new Wi-Fi signal. This guarantees a stable connection and ensures you never lose tracking of your valuable net metering data.
Frequently Asked Questions (FAQ)
Why is my Solis inverter showing offline on the SolisCloud app?
This usually happens if your home Wi-Fi password was changed, your PTCL/Nayatel router rebooted, or the data logger is trying to connect to a 5GHz network instead of a standard 2.4GHz network.
What is the default IP address and password for the Solis Wi-Fi dongle?
When connected directly to the datalogger's Wi-Fi hotspot, the default IP address is 10.10.100.254. The default username is "admin" and the password is "admin".
Can a Solis datalogger connect to a 5GHz Wi-Fi network?
No. Solis dataloggers are strictly equipped with 2.4GHz Wi-Fi chips. If you have a dual-band router, you must connect the logger specifically to the 2.4GHz SSID.