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.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 >>

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 >>

PS display

"PS" is displayed when the inverter is stopped with the "STOP/RESET" button from PU. The PU stop (PS) release method is as follows. (1) Release method using ... More Details >>

Switching External operation, PU operation

Setting Pr.79 (Operation mode) to "6" sets the switchover mode. Pressing the "PU/EXT" key on the operation panel during External operation switches the mode ... 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 >>

Meaning of OL display

"OL" stands for "overload". Whenever current of 150% or more of the inverter rated current flows, "OL" is ON. If you continue operation with "OL" is displaye... More Details >>

Error of the communication option

E.OP1 indicates the communication line error. E.1 indicates a hardware fault of the communication option. (It is judged as the hardware fault when the commun... More Details >>