Event number 42 shows that the SMA plug-in grounding polarity in a SB 2000HF-30 / 2500HF-30 / 3000HF-30 inverter does not correspond to the polarity set in the inverter or the SMA plug-in grounding is missing. When the error occurs, the inverter stops feeding in.
Corrective measures for system operators:
• Contact an installer or an SMA solar power professional. The subsequent steps require the specialist knowledge of an electrically qualified person or installer.
Corrective measures for installers:
DANGER! The tasks described below may only be performed by electrically qualified persons:
Rectify the error, as described in the installation manual for the SMA Plug-in Grounding, chapter “Correct the Grounding Type“.
The manual is available for download at https://www.sma.de/en/service/downloads.html in the path:
- Category: Archive
- Product family: SB 2000HF-30 / 2500HF-30 / 3000HF-30
- Document Type: Installation Guide