Solis
OV-G-F
Grid Over-Frequency (Alarm 1012)
Grid frequency above the standard limit. Variants OV-G-F01 and OV-G-F02. Almost always a DNO network event, not the installation.
Common causes
DNO network frequency eventWrong grid standard selected
What to check
STEP 1
Check the grid standard setting. The inverter reconnects automatically when frequency returns to range.
Escalate if
Frequent occurrence, log event times and report to the DNO
Need full interactive diagnosis?
Faultpath walks you through decision trees, fault codes, and commissioning — built for solar & battery engineers.
Open Faultpath
More Solis fault codes