KB ST LED red/yellow fast blinking fault code meaning
KB / ST LED red/yellow fast blinking
Series: KBAC
Undervoltage
AC drive
Meaning: Quick Flash Red / Yellow
Possible causes
Source: KB Electronics KBAC Installation and Operating Manual 11 Diagnostic LEDs Table 7
Series: KBVF
Undervoltage
AC drive
Meaning: Quick Flash Red / Yellow
Possible causes
Source: