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 >>

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 >>

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 >>

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 >>

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 >>

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 >>

RUN blinks

Rapid blinking of the RUN LED suggests that the frequency is not set correctly.When the operation mode setting of Pr.79 is changed, the entrance point of the... More Details >>

PU operation

If Pr.79 = 3, PU and EXT turn ON. Switching between PU and EXT is not available. Turn the setting dial to set the frequency and press the SET key to accept it. 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 >>

Operation mode, PU operation mode swi...

Change Pr.340 (Communication startup mode selection) from "1" to "0".Power OFF and then ON the inverter.Operate the inverter according to the value of Pr.79 ... More Details >>