Yaskawa EF (blinking) fault code meaning
Yaskawa / EF (blinking)
Series: L7
Forward and reverse commands input simultaneously (warning)
drive
Meaning: Forward and reverse commands are input simultaneously for 0.5 seconds or longer; this alarm stops motor operation; sequence controller fault
Possible causes
Source: Yaskawa L7 Series Elevator Drive User Manual, Fault Diagnosis P266