Event 220 (Sunny Portal: 3411)

Event message:

• PV[#] abnormal

Corrective measures:

• Check if the -nth PV string must be connected. If not, ignore the event. If so, check the connection state and ensure that there is a reliable connection.

• Ensure that the -nth DC fuse is not damaged.

• If the fault cannot be rectified using the indicated corrective measures, contact Service.