Why does REFU Inverter power grid voltage become too high?
If the alarm occurs occasionally, the possible cause is that the electric grid is abnormal occasionally. The inverter automatically returns to normal operating status when the electric grid is back to normal.
Why is my REFU Inverter derating because of high grid frequency?
The inverter will automatically reduce the output power when the frequency of electrical grid is too high.
What to do if REFU 801 Inverter bus voltage is too low?
If the PV array configuration is correct (no ID05 fault), the possible cause is that the solar irradiance is too low. The inverter automatically returns to normal operating status after the solar irradiance returns to normal level.
What to do if REFU Inverter input current is not balanced?
Check the input mode (parallel mode/ independent mode) setting of inverter according to Section 0. Input Mode of this user manual, if it’s incorrect, change it according to Section 0. Set Input mode of this manual.
What to do if REFU 801 Inverter shows ‘The Country is InValid’?
Check the country setting according to Section 0 (Country) of this user manual, if it’s incorrect, change it according to Section 0. Set Country Code of this manual.
What to do if REFU Inverter SD card is faulty?
Please replace the SD card.
General| Model | REFU 801 Series |
|---|---|
| Category | Inverter |
| Protection Class | IP65 |
| Communication Interfaces | RS485, Ethernet |
| Ambient Temperature | -25°C to +60°C |
| Output Voltage | 400 VAC |
| Frequency Range | 50 Hz / 60 Hz |
| Cooling Method | Convection |
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