Drives Service & Support > PowerFlex 70 > Fault Finder

Fault Number : 104

Fault Display : Pwr Brd Chksum1

Fault Name : Power Board Checksum 1

Fault Type : None

Fault Description : The checksum read from the EEPROM does not match the checksum calculated from the EEPROM data.

Corrective Action : Reset defaults on the drive, cycle power to the drive. Make sure the drive goes completely dark for a few seconds at a minimum before powering the drive up again. If this fault reappears even after the reset defaults, then the main control board should be replaced.