Yaskawa UV3 fault code meaning

Yaskawa / UV3

Series: 616G5

Surge prevention circuit fault

drive

Meaning:

Possible causes

Source: Yaskawa VS-616G5 Instruction Manual, Protection and Diagnostic Functions P274

Series: L7

Inrush prevention circuit fault

drive

Meaning: Faulty operation of the inrush prevention circuit; although the MCON signal is issued, there is no response from MC within 10 seconds. Applicable drive capacity, 200V class: 37 to 55kW; faulty operation of main circuit MC; damage to the MC field coil.

Possible causes

Source: Yaskawa L7 Series Elevator Drive User Manual, Fault Diagnosis P261