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How to Reconnect a GoodWe ESA to Wi-Fi After Changing Router or Password
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...
What the PWR, COM and NET Lights Mean on a Solis Datalogger
The three labelled lights describe separate parts of the monitoring path. PWR is power, COM is logger-to-inverter communication, and NET is the connection to the Solis server. Reading them separately avoids assuming an inverter fault. Scope and safety This guide is for the S2-WL-ST, S3-WiFi-ST, S4-WiFi-ST and S5-WiFi-ST models covered by Solis's current support article, including USB and four-pin versions. Indicator layouts and behaviour on older DLS-W, GPRS, LAN-only or other logger families may differ. Observe the label and lights only. Do not remove, rotate or reseat an installed logger, open the inverter or touch wiring. Solis says an installed...
Dyness PowerBox G2 Won't Wake Up or Has No Output: Checks Before Calling Your Installer
Scope: This guide applies only to the Dyness PowerBox G2. It covers visual checks and, where your installer demonstrated it at handover, one normal use of the external wake/reset control. Do not remove the cover, disconnect cables, measure voltage, operate unlabelled isolators, change DIP switches or inverter settings, or attempt forced charging. The direct answer A Dyness PowerBox G2 can appear dead because it is asleep, because its external DC breaker is not in the commissioned operating position, or because the battery-management system has stopped output during protection. The front indicator provides the safest first clue: A green flashing "D"...
GoodWe ESA 5 kW and 8 kWh System: How to Find the Correct Model and Manual
Scope: This guide is for homeowners identifying a current GoodWe ESA 3-10 kW system and its battery modules. The current GoodWe ESA manual covers inverter codes in the GW3K to GW10K EHA-G20 and BHA-G20 families, including GW5K-EHA-G20, plus several G20 and G21 battery variants. It is not a guide for the older GW5048-ESA platform. Identification and document selection are homeowner-safe; opening covers, moving equipment, electrical testing, commissioning and firmware work are for a qualified installer. The direct answer Do not choose a GoodWe manual from the words “ESA”, “5 kW” or “8 kWh” alone. Read the complete model codes from...
How to Reconnect a Solis Wi-Fi Dongle After Changing Router or Password
If SolisCloud went offline just after you changed broadband provider, replaced the router, renamed the home Wi-Fi network or changed its password, the inverter may be perfectly well while the datalogger is still trying to reach the old network. Reconfigure the datalogger with the new Wi-Fi details, then confirm its status in SolisCloud. Scope and safety This guide covers the Solis S2-WL-ST, S3-WiFi-ST, S4-WiFi-ST and S5-WiFi-ST dataloggers named in Solis's current support guidance. It does not cover the older DLS-W or every Solis communications accessory. Identify the model before starting. These are phone, router and monitoring steps only: do not...