Cause: Ground fault comes when electricity intended to flow through the motor windings or cables finds an unintended path to ground.

ef fault in fuji FRENIC MEGA drive indicates Ground fault. This means the drive detects a leakage current to ground from the motor or output circuit. It’s a critical protective trip to prevent damage to the drive and maintain personnel safety.

• Visually check for cuts, abrasions, or water/oil ingress.
• Ensure no loose strands, debris, or moisture inside motor terminal box.
• Ensure no debris or carbon tracking between terminals U, V, W and ground.