Grid Voltage Out of Range (IE 03)

Grid voltage outside inverter operating window. Auto-reconnects. Common on sunny afternoons in high-solar areas.

Common causes

Grid over-voltage from local solar export (253V+)DNO infrastructure issue

What to check

STEP 1

Set Advanced Setting > Export Control to reduce export or enable voltage response. Log SolaXCloud data.

Escalate if

Occurs frequently at non-peak times with grid voltage confirmed in range

Need full interactive diagnosis?

Faultpath walks you through decision trees, fault codes, and commissioning — built for solar & battery engineers.

More SolaX fault codes