| LED/Code | Meaning | Action Required | | --- | --- | --- | | Green solid | Normal operation | None | | Green slow blink | Standby / Energy saving mode | Load <10W; normal | | Red fault + beep | Overload | Reduce load, reset | | Red + yellow blink | Battery voltage low | Recharge batteries | | Red + fan full speed | Overtemperature | Improve ventilation | | E-01 (LCD) | Output short circuit | Check AC wiring | | E-02 (LCD) | DC overvoltage ( >16V on 12V model) | Check charge controller |
Power Jack 5000W Inverter – User Manual & Important Safety Guide power jack inverter 5000w manual