Your solar inverter shows an error. Let's fix it.
Type the code on your inverter's screen or app. We'll tell you what it means, whether it's urgent, and exactly what to do, in plain English.
More brands (Sunsynk, Fox ESS, GoodWe, Solis, Growatt) coming soon.
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How this site helps
1. Find your code. Most inverters show a code like F18 on the display or in the monitoring app (SolarMan). Type it above.
2. See how urgent it is. Every code is rated: Self-clears Check & restart Stop, call a pro
3. Follow the safe steps. Clear, numbered fixes with a decision flowchart, plus an honest "stop here and call an electrician" line whenever safety is on the line.