FOCUS JF fault code meaning
FOCUS / JF
Series: SCF
Serial Fault
AC drive
Meaning: The watchdog timer has timed out, indicating that the serial link has been lost.
Possible causes
Source: FOCUS SCF Manual FAULT MESSAGES P50
Series: SCL/SCM
Remote Keypad Fault
AC drive
Meaning: The communication link between the drive and the optional Remote Keypad has been lost. Check for proper wiring and/or noise.
Possible causes
Source: FOCUS SCL/SCM Manual FAULT MESSAGES P47