When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradua

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

1. Yes. The inverter cannot restart if STF and STR are turned OFF.However, on the next startup, the inverter detects coa

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

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

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

When you switch the inverter to the reverse rotation while it is rotating in the forward direction, it decelerates to st

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

If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three

1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approxima

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FAQ within [ Inverters-FREQROL ]

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Stall prevention operation

When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradually raises the frequency for accelera... More Details >>
- No：21413
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
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
Automatic restart after instantaneous power failure

1. Yes. The inverter cannot restart if STF and STR are turned OFF.However, on the next startup, the inverter detects coasting and restarts.2. When automatic ... More Details >>
- No：21942
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-V200
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
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
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
Switching between forward and reverse rotations

When you switch the inverter to the reverse rotation while it is rotating in the forward direction, it decelerates to stop over the deceleration time (set wi... More Details >>
- No：22077
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
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
Output phase loss alarm

If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... More Details >>
- No：22052
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Output side earth (ground) fault overcurrent protection

1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approximately 70% of the inverter rated curren... More Details >>
- No：21394
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-A024 , FREQROL-E500

21-30 of Total 1292

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