Yaskawa UV2 fault code meaning
Yaskawa / UV2
Series: 616G5
Control power error
drive
Meaning:
Possible causes
Source: Yaskawa VS-616G5 Instruction Manual, Protection and Diagnostic Functions P274
Series: L7
Control power undervoltage
drive
Meaning: Control circuit undervoltage during drive operation; an external load reduces the drive supply voltage, or an internal short circuit occurs on the power supply/gate driver board.
Possible causes
Source: Yaskawa L7 Series Elevator Drive User Manual, Fault Diagnosis P261