To Next PageTo Next PageWhat does 'Reconnection fault grid' mean on SMA Inverter?
The message 'Reconnection fault grid' on your SMA Inverter means that the changed country data set or the value of a parameter you have set does not correspond to the local requirements. Ensure that the country data set has been configured correctly. To do this, select the parameter Set country standard and check the value.
Why SMA SUNNY BOY 3.8-US Inverter shows 'Unstable operation'?
The SMA Inverter shows 'Unstable operation' because there is not enough power at the DC input for stable operation. Ensure that the PV array is designed correctly, not covered by snow or shaded, and free of errors.
What does 'DC overvoltage > Disconnect generator' mean on SMA Inverter?
The 'DC overvoltage > Disconnect generator' message on your SMA Inverter means there is overvoltage at the DC input. Immediately disconnect the inverter from voltage sources. Check whether the DC voltage is below the maximum input voltage of the inverter. If it is below the limit, reconnect the terminal block with the connected DC conductors to the inverter. If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated.
What does 'Waiting for grid voltage > Installation failure grid connection > Check grid and fuses' mean on SMA Inverter?
This message on your SMA Inverter indicates that L or N is not connected. Ensure that L and N are connected, the AC conductors are not damaged and correctly connected, and the circuit breaker is switched on.
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 |
