Every brand, one search
Fault Code Finder
Search 1029 documented inverter and battery fault codes across 16 brands at once, then jump straight to the full entry, with what it means and what to do on site. With no signal the finder still identifies every code; a brand's full entries open offline once its library is saved, with the Inverter recovery pack or, for GoodWe, Fronius, Tesla, Sigenergy and FoxESS, by choosing the brand on My Bench.
1029
1029 codes ready
Search first. Browse when you need to.
Enter a code, brand or symptom above. The full list stays out of the way until you choose to open it.
Libraries by brand
Documented entries in each library; coverage, not a quality score.
Missing a brand, model or code? Log a fault-library request. We use field demand to rank the next additions.