3. What kind of error messages does the iS7 frequency inverter display?

If something is wrong with the operation of the iS7 frequency inverter, it will malfunction and display a corresponding message. These include:  Overcurrent, Overvoltage, Undervoltage, External Faults, Ground Fault, Drive Overheat, Motor Overheat, Overload Trip, Communication Fault, Loss of Frequency Control, Hardware Fault, Broken Fan, Motor Trip Fault, External Brake Trip, etc.