Error Code 106-113 - Abnormal String 1-8 Clifton Wilkinson Modified on: Wed, 17 Oct, 2018 at 8:40 AM Possible CauseSuggestionsCause ID 1: WarningThe PV string is shielded from sunlight for a long time.The PV string deteriorates or is damaged.Check whether the PV string current is obviously lower than the currents of other PV strings.If yes, check whether the PV string is shielded from sunlight.If the PV string is clean and not shielded from sunlight, check whether any PV module is faulty.