SMA SUNNY TRIPOWER CORE2 Operating Manual page 89

SMA Solar Technology AG
12.2.66 Event 456, 457 (Sunny Portal: 4017)
Event message:
• String [#] reverse polarity
Corrective measures:
• Check whether there is reverse polarity on the corresponding PV string. If so, open the DC
switch and adjust the polarity if the solar irradiation is low and the string electrical current is
below 0.5 A.
• If the fault cannot be rectified using the indicated corrective measures, contact Service.
12.2.67 Event 458, 459 (Sunny Portal: 4018)
Event message:
• String [#] reverse polarity
Corrective measures:
• Check whether there is reverse polarity on the corresponding PV string. If so, open the DC
switch and adjust the polarity if the solar irradiation is low and the string electrical current is
below 0.5 A.
• If the fault cannot be rectified using the indicated corrective measures, contact Service.
12.2.68 Event 460, 461 (Sunny Portal: 4019)
Event message:
• String [#] reverse polarity
Corrective measures:
• Check whether there is reverse polarity on the corresponding PV string. If so, open the DC
switch and adjust the polarity if the solar irradiation is low and the string electrical current is
below 0.5 A.
• If the fault cannot be rectified using the indicated corrective measures, contact Service.
12.2.69 Event 462, 463 (Sunny Portal: 4020)
Event message:
• String [#] reverse polarity
Operating manual
12 Event messages
STP110-60-BE-en-16 89