240, 241, or 242
Causes: Large electrical surge i.e. lighting, construction, cell tower, electrical fencing, electric water heater
Fix (for Primos and Galvos): Press fourth button until “wait master ready” appears and the light turns green- a progress bar will appear as the system resets
The code goes up incrementally after each fault (240,241,242). After the third code, contact Customer Support and we’ll talk about next steps.
Arc Faults on tower Fronius (IG plus) inverters: You need to reset AFD to clear the fault. This document shows you how.