If Pr.79 = 3, PU and EXT turn ON. Switching between PU and EXT is not available. Turn the setting dial to set the freque

The following causes are probable for this Err display:- Operation error (for example, you tried to input a value other

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

Change Pr.340 (Communication startup mode selection) from "1" to "0".Power OFF and then ON the inverter.Operate the inve

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

As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you

First of all, capacity reduction of the main circuit electrolytic capacitor is probable. Usually, the electrolytic capac

1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it

An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check fo

The undervoltage warning of the inverter is judged based on the voltage of the main circuit as follows. Power failure on

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Inverters-FREQROL

FAQ within [ Inverters-FREQROL ]

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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 >>
- No：21695
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Err display on operation panel

The following causes are probable for this Err display:- Operation error (for example, you tried to input a value other than the available range of parameter... More Details >>
- No：22063
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500
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
Operation mode, PU operation mode switching

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 >>
- No：21870
- Release Date：2018/08/22 16:29
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
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
Calculation of acceleration/deceleration time

As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you should consider a factor of 120% for ... More Details >>
- No：21965
- Release Date：2018/08/22 16:30
- Category： Magnet motor drive
Cause of overcurrent (OC2) at constant speed

First of all, capacity reduction of the main circuit electrolytic capacitor is probable. Usually, the electrolytic capacitor is replaced every 5 years on ave... More Details >>
- No：21407
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A100
Stall prevention

1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it is considered that the current did n... More Details >>
- No：22067
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
"OV3" occurs during an inverter stop.

An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check for the power supply voltage. If the ca... More Details >>
- No：21383
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024
Undervoltage warning

The undervoltage warning of the inverter is judged based on the voltage of the main circuit as follows. Power failure only at the main circuit: Output an und... More Details >>
- No：20853
- Release Date：2018/08/22 16:24
- Category： FREQROL-A800 , FREQROL-F800

11-20 of Total 1306

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