Drivecon F64 fault code meaning
Drivecon / F64
Series: XT
SSU Relay Test Fault
AC drive
Meaning: Relay in SSU board is damaged, Reset: switch power off and restart after the SSU relay is bypassed or OK input lamps of keypad are off. is damaged. Check: - ES and RDY external connections - OK input operation - change SSU board
Possible causes
Source: Drivecon XT Series Manual 7.2 Inverter fault codes