Guides for solar system owners
You have a solar system installed and something changed: the inverter will not switch on, the app stopped showing data or a code appeared. Each guide explains what you can check safely, without opening or touching the equipment, and when it is worth asking for help.
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The system will not switch on or shows no data
- FusionSolar offline: 5 checksFusionSolar app shows your inverter offline or with no data? Five safe checks that need no tools, and when to ask for help. Reply within 48 h.
- Solar panels producing less: what to checkDo your solar panels seem to produce less than before? Safe checks, no roof climbing, and when to ask for a diagnosis. Reply within 48 h.
Error and alarm codes
- Huawei SUN2000: where to find the alarm codeHuawei SUN2000 inverter showing an alarm? Where to read the code, where the maker's list is and what to send us. Reply within 48 h.
- Solis inverter alarm codes: what they meanSolis inverter showing an alarm code? What 14 common codes mean, what you can check and what to send us. Reply within 48 h.
- Growatt inverter error and warning codesGrowatt inverter showing an error or warning code? What 12 common codes mean, what you can check and what to send us. Reply within 48 h.
- Fronius inverter status codes: what they meanFronius inverter showing a status code? What 14 common codes mean, what you can check and what to send us. Reply within 48 h.
Help and upgrades for an existing system
- Installer not responding: what to doYour installer stopped answering and your solar system needs help? What to gather, what you can do and when to ask us. Reply within 48 h.
- Adding a battery to an existing inverterWant to add a battery to a solar system you already have? What to check on the inverter, the options and what to gather. Reply within 48 h.