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FAQ within [ FREQROL-E500 ]

1-10 of Total 85

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  • Error E.LF

    Measure the megger values on the inverter's output side.If there is no problem:If the motor capacity is extremely smaller than the inverter capacity (as a gu... More Details >>

    • No：21933
    • Release Date：2018/08/22 16:30

  • 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 >>

    • No：21993
    • Release Date：2018/08/22 16:30

  • 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

  • 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

  • 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

  • Indication of FR-E520

    "PS" appears when the STOP key on the operation panel is pressed during external operation. It is considered that someone pressed the key. Dismiss "PS" in on... More Details >>

    • No：21478
    • Release Date：2018/08/22 16:27

  • Automatic overload control of inverter

    The inverter has the current limit function. This automatically controls the frequency so that the preset current value may not be exceeded. (Note that the m... More Details >>

    • No：21409
    • Release Date：2018/08/22 16:27

  • 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

  • Soft-PWM

    The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>

    • No：21549
    • Release Date：2018/08/22 16:28

  • 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

1-10 of Total 85

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