How To Reconnect Your Enphase Envoy-S to Wi‑Fi After Changing Routers
Learn how to reconnect your Enphase Envoy-S to Wi‑Fi after changing routers. Step-by-step guide for restoring solar monitoring.

🔌 How To Reconnect Your Enphase Envoy-S to Wi‑Fi After Changing Routers

Table of Contents

If you recently changed your internet provider or upgraded your Wi‑Fi router, your Enphase Envoy-S may have disconnected from the internet. Don’t worry. Your solar panels are still producing power, but you’ve lost visibility in the Enlighten app. This guide from Florida Power Services walks you through reconnecting your Envoy-S to Wi‑Fi, so you can resume monitoring your system in real time.

☀️ Why Wi‑Fi Connectivity Matters for Your Enphase Envoy-S

The Envoy-S is the gateway between your solar microinverters and the Enphase Enlighten portal. It sends data about your system’s performance to the cloud, allowing you to track production, view alerts, and analyze usage. When disconnected, you lose that insight, even though energy production continues.

Homeowners throughout Florida, whether you’re in Tampa, Orlando, or Clearwater, benefit from real-time solar monitoring. Reconnecting your Enphase Envoy-S to Wi‑Fi ensures your investment keeps working hard and visibly for you.

🔎 Step 1: Read the Enphase Envoy-S Indicator Lights

Start by locating your Envoy-S (typically inside your combiner box or near the electrical panel). Look for these four LED lights and use the color indicators to understand the current status:

  • 📶 Network LED (Cloud Icon)

    • 🟢 Solid Green – Connected to internet
    • 🟢 Flashing Green – Trying to connect
    • 🟠 Solid Amber – Connected to router, no internet access
    • ⚫ Off – Not connected to any network
  • 📡 AP Mode LED (Wi‑Fi Icon)

    • 🟢 Solid Green – Hotspot mode is on
    • ⚫ Off – Normal operating mode
  • 🌞 Power Production LED (Sun Icon)

    • 🟢 Solid Green – All microinverters are producing
    • 🟢 Flashing Green – Firmware update in progress
    • 🟠 Solid Amber – Some microinverters not producing
    • ⚫ Off – Likely nighttime
  • 🌐 Device Communication LED (Network Tree Icon)

    • 🟢 Solid Green – All devices are communicating
    • 🟢 Flashing Green – Device scan in progress
    • 🔴 or 🟠 – Communication issue with one or more devices
    • ⚫ Off – No communication

Special Patterns to Recognize:

🔁 All lights flashing amber = Booting up
🔄 All lights flashing green in sequence = Firmware updating (do not turn off)

📲 Step 2: Download the Enphase App

Install the Enphase App (formerly Enlighten) from your device’s app store:

  • 📥 iPhone Download
  • 📥 Android Download

Once downloaded, log in with your Enphase credentials. You’ll use this app to reconnect your Enphase Envoy-S to Wi‑Fi.

📍 Step 3: Locate Your Enphase Envoy-S

Find the Envoy-S device at your home. It’s usually near your inverter or main electrical panel. On the front, you’ll see a serial number. Write down the last six digits. You’ll need these in the next step to connect directly to its Wi‑Fi hotspot.

📶 Step 4: Connect to the Envoy’s Wi‑Fi Hotspot

  1. Open your phone’s Wi‑Fi settings
  2. Look for a network labeled Envoy_XXXXXX (where XXXXXX is the last 6 digits of your serial number)
  3. Tap the network and use the same six digits as the password

This connects you directly to the Envoy-S, allowing you to adjust its settings.

⚙️ Step 5: Reconnect the Enphase Envoy-S to Your New Wi‑Fi

Inside the Enphase App, follow these steps:

  1. Open the app and tap the ☰ menu
  2. Navigate to Devices > Wi-Fi Setup
  3. Select your home network
  4. Enter your new Wi‑Fi password
  5. Tap Save

Give the Envoy-S a few minutes to establish the connection. Once connected, the network LED will turn solid green.

🔄 Step 6: Reboot the Device If Necessary

Still not connected? Rebooting often solves minor glitches:

  • Turn off the Enphase Envoy-S at the breaker or unplug it
  • Wait 30 seconds
  • Power it back on
  • Allow 3–5 minutes to fully reboot

After rebooting, check the cloud LED. If it’s solid green, your connection is restored.

✅ Step 7: Confirm Your Enphase Envoy-S Is Online

Once your Envoy-S is successfully reconnected:

  • The Network LED will display solid green
  • Your Enlighten app will say “Connected” or “Communicating”
  • You’ll see updated power production data in your dashboard

⏳ What If the Envoy-S Was Offline for Days?

The Envoy-S stores data locally, even when offline. Once it reconnects, it will begin uploading backlog data. The longer it was disconnected, the longer the upload may take.

Days Offline Estimated Upload Time
3 ~3 hours
7 ~7 hours
30 ~30 hours
90 ~90 hours (~4 days)

⚠️ You may temporarily see “No microinverters reporting” during this process. This is normal.

🧰 Still Not Working? Try These Tips

If your Enphase Envoy-S still won’t connect to your home Wi‑Fi network, try these troubleshooting steps:

Recheck your Wi‑Fi password

Typos are common! Make sure you’re entering the correct password, including capitalization and any special characters. If you’re unsure, try connecting another device to the same network to confirm it works.

Ensure the Envoy is within range of your router

Wi‑Fi signals can be blocked by thick walls, metal enclosures, or even distance. If your Envoy-S is located far from your router, consider moving your router closer temporarily or using a Wi‑Fi extender to strengthen the signal.

Use a smartphone, not a laptop, for reconnection

Laptops often auto-redirect or block connections to local device networks. Using a smartphone allows for a smoother, direct connection to the Envoy’s access point during setup.

Repeat Steps 4 through 6 if needed

Sometimes it takes more than one attempt to reconnect successfully. Restart the setup process, making sure you give the system time to reset and respond between each step.

Restart your router

A simple power cycle on your router may resolve connectivity hiccups. Unplug it for 30 seconds, plug it back in, and wait a few minutes before trying the connection again.

Check for network name changes

If your new router uses a different SSID (network name), make sure you’re selecting the correct one in the Enphase App.

Visit the Enphase Support Center for in-depth troubleshooting articles, firmware update instructions, and video walkthroughs tailored to your specific system setup.

👨‍🔧 Want a Technician to Handle It?

If tech isn’t your thing or your system needs a deeper inspection, Florida Power Services is here to help.

Our certified technicians can:

📍 We serve homeowners across Florida, from Tampa and St. Pete to Orlando and Sarasota.

🔗 Click here to schedule service

Standard rates apply. Quotes available upon request.

🌴 Monitor Your Solar System with Confidence

Your Enphase Envoy-S is essential for tracking and managing your solar energy system. When it disconnects from Wi‑Fi, you lose valuable insight, but with this guide, getting back online is simple.

Need help beyond reconnection? Florida Power Services is your local solar partner, keeping Florida homes running clean and efficiently, one system at a time.

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