Event 580-587 (Sunny Portal: 4002)
 Qualified person
Qualified person
Event message:
- String [#] disturbance of the output current 
Corrective measures:
- Check whether individual PV modules are heavily soiled or covered with snow. 
- Ensure that the PV module shows no signs of abnormal aging. 
- If the fault cannot be rectified using the indicated corrective measures, contact Service.