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zcostaAug 17, 2025
What to do if the (3) light is red on my Mastervolt MASS COMBI PRO 12/3000-150?
- EEmily AllenAug 17, 2025
If the (3) light is red on your Mastervolt Inverter, it means the inverted power exceeds 3500 W. To resolve this, check the connected load and disconnect some devices.