What to do if my SAJ Inverter shows a GFCI Error M?
- GGary GreenAug 19, 2025
If a GFCI Error M occurs with your SAJ Inverter, it indicates a ground fault on either the DC or AC side. Check the insulation of the modules and external surge protection. Also, examine the ambient conditions, as humidity can increase the likelihood of this error. Verify the internal ground connection. If the error persists after these checks, further assistance is needed.