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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Power factor of inverter drive
Under 100% load, the power factors of the AC and DC reactors are 90% and 95%, respectively. For a line with no inverter control, use a power factor correctio... More Details >>
- No:21934
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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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
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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
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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
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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
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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
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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 >>
- No:21295
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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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
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"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 >>
- No:21264
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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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 >>
- No:21289
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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