E11 displayed; charger cannot connect to backend or app services.

Safety first: Network work is low‑voltage but still isolate power before opening the charger.

• Check physical connections: Ensure the Ethernet cable is firmly plugged into the Garo charger and the router/switch. Inspect for damage.
• Verify network: Confirm that the home router has internet access and that other devices can connect.
• Wi‑Fi signal: If using Wi‑Fi, check signal strength near the charger. Consider relocating the router or adding a Wi‑Fi extender.
• Inspect communication module: With power OFF, open the charger and locate the communication module (LAN/Wi‑Fi/4G board). Check that its connectors and any antenna cables are secure.
• Reconfigure network: Using the Garo app or web interface, re‑enter SSID/password or IP settings as required.
• Module replacement: If E11 persists and other network equipment is working, the communication module may be defective and should be replaced.