Main Circuit Undervoltage
The main circuit DC voltage is below
the Undervoltage Detection Level
(L2-05).
200 V class: Approx. 190 V
400 V class: Approx. 380 V
Main Circuit MC Operation Failure
The MC stopped responding during
Inverter operation. (Applicable
Inverter Capacities
200 V class: 37 to 110 kW
400 V class: 75 to 300 kW)