Cause: Hardware error comes when the LSI on the power printed circuit board malfunctions. Or, the fuse blew inside the inverter.

erh fault in fuji FRENIC MEGA drive indicates Hardware error. This means a critical internal hardware malfunction, often on the main control board, I/O interface, or ASIC circuitry.

• The inverter capacity setting on the control printed circuit board is wrong: It is necessary to set the inverter capacity correctly.
• Data stored in the power printed circuit board memory is corrupted: It is necessary to replace the power printed circuit board.
• The control printed circuit board is misconnected to the power printed circuit board: It is necessary to replace the power or control printed circuit board.