Fronus Error Codes
Tap any code for its meaning, likely cause in Pakistani conditions, and what to do — including when NOT to touch anything.
| Code | Meaning | Severity |
|---|---|---|
| 01 | Fronus Fault 01 — Cooling Fan Locked | tech |
| 02 | Fronus Fault 02 — Over Temperature | diy |
| 03 | Fronus Fault 03 — Battery Voltage Too High / Battery Over-Charged | DANGER |
| 04 | Fronus Fault 04 — Battery Voltage Too Low | diy |
| 05 | Fronus Fault 05 — Output Short Circuit or Converter Over-Temperature | DANGER |
| 07 | Fronus Fault 07 — Overload Time Out | diy |
| 08 | Fronus Fault 08 — Bus Voltage Too High | tech |
| 59 | Fronus Fault 59 — PV Voltage Over Limitation | tech |