Real Problems. Real Fixes.
Troubleshooting Log
All my solar panels stopped at once: A homeowner's breaker checklist
All your solar panels stopped at once? It's usually a tripped breaker. Here's a 5-minute checklist from Rivertown Solar
Stuck With SunStrong? What Former SunPower Owners Need to Know
SunPower system in Westchester now managed by SunStrong? Rivertown Solar explains paid monitoring, stalled repairs, and switching to native Enphase.
Why Internet Connectivity Is the Most Common Solar Service Issue We See
When homeowners think about solar system troubleshooting, they often imagine a failed inverter, a bad solar panel, or some other piece of…
Why We Switched from Battery SOC to Voltage Control on an EG4 16 kWh Battery System
Why We Switched from Battery SOC to Voltage Control on an EG4 16 kWh Battery System … When integrating lithium batteries like the EG4 16kWh…
ECU gateway offline or not connecting to internet
EMA portal shows no heartbeat, or the ECU cloud LED is off.
Enphase Microinverter Offline
One or more panels show grey or missing data in the Enphase App.
Enphase IQ Gateway is offline or not connecting
The app shows stale data, or the Gateway's LEDs indicate a problem.
APsystems Microinverters showing "NC" (No Communication)
One or more panels appear grey or labelled "NC" in the EMA Module View.
Checking Breakers and AC Disconnect (When Gateway is Online but Microinverters Are Not Reporting/Producing)
Gateway is online and connected to the internet but there are no production shown on Enphase Enlighten App.
APsystems DS3-L / ECU-R Offline — Production OK, Monitoring Restored
System appeared offline in the monitoring app, raising concern that solar production had stopped.
