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 >>

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 >>

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 >>

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 >>

Faults history

Press the "MODE" key on the operation panel several times to display the faults history screen "E---". Then turn the setting dial to display the error displa... 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 >>

FR-BLF

□□□□□□ Year Month (Control number) The last digit of the manufactured year is indicated as the Year, and the Month is indicated by (A → B → C... ⇒ January → ... 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 >>

Frequency setting

If Pr.79 (Operation mode) is set to "0" (PU/EXT switching mode), press the PU/EXT button on the operation panel to turn on the PU LED.Turn the setting dial t... 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 >>