RAM test

What does 80 mean?

Immediate disconnection indicating an internal unit fault, specifically defective RAM. This is a critical hardware failure within the inverter's control board, making the unit inoperable.

• The Random Access Memory (RAM) test during startup has failed.
• Corrupted RAM preventing proper data storage and retrieval.
• Hardware failure in the drive's memory chips.
• Software issue corrupting RAM contents.

Click steps to track your progress.

1. 1

   Contact SEW Service immediately, as this fault typically requires the unit to be sent in for repair or replacement of the control board.