E．OV2 error

The regenerative overvoltage shutoff protective function is provided since the terminal voltage of the internal capacitor of the inverter can rise abnormally... More Details >>

Error E.LF

Measure the megger values on the inverter's output side.If there is no problem:If the motor capacity is extremely smaller than the inverter capacity (as a gu... More Details >>

Alarm E7

The alarm E7 occurs when the forced stop signal of the servo system controller is enabled. Ensure the safety and cancel the forced stop signal of the control... More Details >>

Deceleration overvoltage (E.OV3)

While the FREQROL-Z200 series and A500 series have a brake resistor built in the capacity up to 7.5K, the FREQROL-E500 series does not have a built-in brake ... More Details >>

Stall prevention

1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it is considered that the current did n... More Details >>

Stall prevention operation

When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradually raises the frequency for accelera... More Details >>

Error "E.UVT" (undervoltage protection)

The possible causes of the error UVT are as follows.- Low power supply voltage - Insufficient power supply capacity - Damage or failure Check the power suppl... More Details >>

Difference between actual gear ratio ...

There are two types of gear ratios for Mitsubishi Geared Motors: nominal gear ratio and actual gear ratio. Nominal gear ratios are represented using integers... More Details >>

Fault code

Regenerative overvoltage protection (E.OVT).This error occurs when the regenerative power returns from the motor to the inverter (for example, during deceler... More Details >>

Error

The inverter overcurrent shut-off fault indication E.OC1, E.OC2, or E.OC3 is not only displayed when the inverter output current reaches approximately 200% o... More Details >>