What does 'Frq. not permitted > Check parameter' mean on SMA Inverter?
The message 'Frq. not permitted > Check parameter' on your SMA Inverter indicates that the power frequency is not within the permissible range. If possible, check the power frequency and observe how often fluctuations occur.
What does 'Update file defect.' mean on SMA SUNNY BOY 3.8-US Inverter?
The message 'Update file defect.' on your SMA Inverter means that the update file is defective. The update failed, but the inverter continues to feed in.
What to do if SMA SUNNY BOY 3.8-US shows 'L/N swapped > Check connection'?
If your SMA Inverter displays 'L/N swapped > Check connection', ensure that L and N are correctly connected.
General| Model | SUNNY BOY 3.8-US |
|---|---|
| Type | String inverter |
| Rated AC Power | 3.8 kW |
| AC Nominal Power | 3.8 kW |
| Nominal AC Voltage | 240 V |
| AC Voltage Range | 211 - 264 V |
| Nominal AC Frequency | 60 Hz |
| Total Harmonic Distortion | < 3% |
| Number of DC Inputs | 2 |
| Number of MPP Trackers | 2 |
| CEC Weighted Efficiency | 97.0% |
| Night Time Consumption | < 1 W |
| Topology | Transformerless |
| Cooling | Convection |
| Enclosure Rating | NEMA 3R |
| Operating Temperature Range | -25 °C to +60 °C |
| Operating Temperature Range (°C) | -25 to +60 |
| Warranty | 10 years |
| Maximum AC Apparent Power | 3800 VA |
| Power Factor at Nominal Power | 1.0 |
| Maximum Input Current | 11 A |
| Efficiency | 97.5% |
| Communication | Ethernet, WLAN, Wi-Fi |
| Weight (kg) | 15 |
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