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 >>

Resetting inverter after restoring fr...

When the programmable controller power is turned OFF while the inverter is in the PLC link operation mode, a communication error occurs and the inverter trip... 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 >>

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 >>

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 >>

FR-DU08

It cannot be connected. When using DU08, connect it to the PU connector. More Details >>

Output phase loss alarm

If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... 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 >>

Offline auto tuning

Leave the setting of Pr.96 as "3". It indicates that auto tuning has been completed and the motor constant has been read. When it is changed unnecessarily, t... More Details >>