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Brand Guide, gf-date:2026-07-22, gf-slot:11, gf:goodwe-esa-reconnect-wifi, GoodWe, Guide Factory -

Scope: This homeowner guide applies to a current GoodWe ESA 3-10 kW system using the WiFi/LAN Kit-20 smart dongle documented in GoodWe's ESA User Manual V1.7. App screens can vary by SEMS+ version, account permissions and device model. This guide changes monitoring-network details only. Do not open the inverter, unplug the dongle, factory-reset it, or change safety code, grid, battery or operating-mode settings. If your dongle has another model code, use its exact official manual or call your installer. The direct answer After a router, Wi-Fi name or password change, the GoodWe smart dongle may still be trying to join...

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