"OL" stands for "overload". Whenever current of 150% or more of the inverter rated current flows, "OL" is ON. If you con

Press the "MODE" key on the operation panel several times to display the faults history screen "E---". Then turn the set

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge vol

When using the setting dial to set the frequency, turn the dial and press the "SET" key while the desired value flickers

Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the

E.OP1 indicates the communication line error. E.1 indicates a hardware fault of the communication option. (It is judged

No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON spee

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart

When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This volt

Even after setting Pr.340 to "10", the change is reflected after resetting the power supply.Perform the power reset.Sinc

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FAQ within [ Inverters-FREQROL ]

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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 >>
- No：21449
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-V200
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 >>
- No：21355
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Inverter drive of 400 V class motor

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>
- No：21926
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-B , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
RUN blinks

When using the setting dial to set the frequency, turn the dial and press the "SET" key while the desired value flickers. (The value and "F" flicker alternat... More Details >>
- No：21692
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Power factor improving effect by option

Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>
- No：22020
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
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 >>
- No：20805
- Release Date：2018/08/22 16:24
- Category： Inverters-FREQROL , Plug-in Options
Surge voltage of 400 V inverter

No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
- No：21401
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
What happens if reset occurs during operation?

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No：21477
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100 , FREQROL-U100 , Common
Surge voltage of 400 V motor

When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>
- No：21404
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100
Switching between PU and NET operations

Even after setting Pr.340 to "10", the change is reflected after resetting the power supply.Perform the power reset.Since changes to the communication parame... More Details >>
- No：21696
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ

11-20 of Total 1306

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