Functional incompatibility (one or more PC boards in the inverter are not compatible with each other, e.g. after a PC board has been replaced)

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This code indicates a functional incompatibility between one or more PC boards within the inverter, often occurring after a component replacement. This prevents the inverter from operating correctly, but it will attempt to reconnect and resume feeding if possible.

• Installation of an incorrect or incompatible PC board during maintenance.
• Firmware version mismatch between newly installed and existing boards.
• Hardware revisions not compatible with each other.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Update the inverter firmware to ensure compatibility across all installed PC boards.

2. 2

   Verify that all replaced PC boards are the correct model and revision for the specific inverter type.

3. 3

   If the status code is displayed continuously, notify a Fronius-trained service engineer.