SMA WB 5000A-11 Installation - Manual (Page 70)

Troubleshooting SMA Solar Technology AG
70 WB5A_6A-IA-IEN114540 Installation Manual
VpvMax Overvoltage at DC input!
Overvoltage can destroy the inverter.
Corrective measures
Disconnect the inverter immediately.
1. Stop the small wind turbine system.
2. Disconnect the miniature circuit-breaker.
3. Remove all DC connectors.
4. Check the DC voltage:
– If the DC voltage is above the maximum input voltage, check
the plant design.
– If the DC voltage is under the maximum input voltage,
reconnect the small wind turbine system to the inverter as
described in Section 5.4.4 "Connecting the Small Wind Turbine
System (DC)" (page 34).
If the display message is repeated, disconnect the inverter again and
contact the SMA Service Line.
Watchdog
Watchdog Srr Internal program run disturbance.
Corrective measures
• Contact the SMA Service Line if this disturbance occurs frequently.
Message Description and Corrective Measures