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Mitsubishi Electric FR-E720-3.7K(SC) - User Manual

Mitsubishi Electric FR-E720-3.7K(SC)
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HEAD OFFICE: TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
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FR-E700
INSTRUCTION MANUAL (Applied)
INVERTER
PRECAUTIONS FOR USE
OF THE INVERTER
PARAMETERS
TROUBLESHOOTING
PRECAUTIONS FOR
MAINTENANCE AND INSPECTION
SPECIFICATIONS
OUTLINE
WIRING
MODEL
MODEL
CODE
1A2-P26
FR-E700
INSTRUCTION MANUAL (Applied)
FR-E720-0.1K(SC) to 15K(SC)
FR-E740-0.4K(SC) to 15K(SC)
FR-E720S-0.1K(SC) to 2.2K(SC)
FR-E710W-0.1K to 0.75K
IB(NA)-0600277ENG-F (1009)MEE Printed in Japan Specifications subject to change without notice.
INVERTER FR-E700 INSTRUCTION MANUAL (Applied)
F

Table of Contents

Questions and Answers

  • D
    Donald Newman MDSep 23, 2025
    What to do if Mitsubishi Electric FR-E720-3.7K(SC) Inverter experiences USB communication fault?
    • J
      John FowlerSep 23, 2025
      If your Mitsubishi Electric Inverter experiences a USB communication fault, check the Pr. 548 USB communication check time interval setting.
  • B
    Bethany SullivanAug 25, 2025
    What to do if Mitsubishi Electric Inverter trips due to overcurrent during acceleration?
    • G
      Gregory FieldsAug 25, 2025
      If the Mitsubishi Electric Inverter trips due to overcurrent during acceleration, increase the acceleration time.
  • S
    Sarah ParkerAug 25, 2025
    What to do if Mitsubishi Electric FR-E720-3.7K(SC) trips due to overcurrent during deceleration or stop?
    • C
      Clinton RobertsAug 26, 2025
      If your Mitsubishi Electric Inverter trips due to overcurrent during deceleration or stop, increase the deceleration time.
  • C
    Cynthia DiazAug 27, 2025
    What to do if Mitsubishi Electric FR-E720-3.7K(SC) Inverter trips due to regenerative overvoltage during deceleration or stop?
    • T
      Tina LewisAug 27, 2025
      If the Mitsubishi Electric Inverter trips because of regenerative overvoltage during deceleration or stop, increase the deceleration time.
  • D
    Deborah HoltSep 23, 2025
    What to do if Mitsubishi Electric Inverter experiences PU disconnection?
    • L
      Luis LeeSep 23, 2025
      Connect the parameter unit (FR-PU04/FR-PU07) securely if your Mitsubishi Electric Inverter shows PU disconnection.
  • J
    Jason HarrisSep 13, 2025
    What to do if Mitsubishi Electric Inverter experiences output side earth (ground) fault overcurrent at start?
    • V
      Victoria HernandezSep 13, 2025
      If your Mitsubishi Electric Inverter experiences an output side earth (ground) fault overcurrent at start, remedy the ground fault portion.
  • J
    Jennifer BanksSep 12, 2025
    What to do if Mitsubishi Electric Inverter indicates input phase loss?
    • D
      davidharrisSep 12, 2025
      If your Mitsubishi Electric Inverter indicates an input phase loss, wire the cables properly.
  • C
    Caitlin WallaceSep 12, 2025
    What to do if Mitsubishi Electric FR-E720-3.7K(SC) experiences stall prevention stop?
    • C
      Christopher JohnsonSep 12, 2025
      If your Mitsubishi Electric Inverter experiences a stall prevention stop, reduce the load weight.
  • J
    Jennifer HowardSep 4, 2025
    What to do if Mitsubishi Electric FR-E720-3.7K(SC) shows heatsink overheat?
    • S
      Scott HessSep 4, 2025
      If your Mitsubishi Electric Inverter displays a heatsink overheat warning, set the surrounding air temperature to within the specifications.
  • M
    mwilliamsSep 2, 2025
    How to fix write disable error on Mitsubishi Electric FR-E720-3.7K(SC) Inverter?
    • L
      Lindsay AlvaradoSep 2, 2025
      To resolve a write disable error on your Mitsubishi Electric Inverter, check the setting of Pr. 77 Parameter write selection.

Summary

WIRING

Terminal Connection Diagram

Illustrates the standard control circuit and main circuit terminal connections for various models and functions.

Main Circuit Terminal Specifications

Control Circuit Terminal Details

Changing Control Logic (Sink;Source)

PRECAUTIONS FOR USE OF THE INVERTER

Leakage Currents and Countermeasures

Addresses to-earth and line-to-line leakage currents, their causes, and suppression techniques.

Power Factor Improving Reactor Installation

Explains the necessity and procedure for installing reactors to prevent excessive peak current.

Power-OFF and Magnetic Contactor (MC) Usage

Details the recommended use of magnetic contactors on the inverter input side for safety and maintenance.

General Precautions for Inverter Use

Lists essential points to recheck before operation to prevent product damage or shorten lifespan.

PARAMETERS

Operation Panel Overview

Comprehensive Parameter List

Manual Torque Boost Adjustment

Acceleration and Deceleration Time Settings

TROUBLESHOOTING

Reset Method of Protective Functions

Explains how to reset the inverter after a fault, including different methods and considerations.

Fault and Alarm Code List

Provides a comprehensive list of operation panel indications for faults and alarms with corresponding names and pages.

Causes and Corrective Actions for Error Messages

Details common error messages, their causes, and recommended corrective actions for troubleshooting.

Initial Troubleshooting Checks

Offers a systematic approach to identify and resolve common issues before delving into parameter specifics.

PRECAUTIONS FOR MAINTENANCE AND INSPECTION

Daily Inspection Checklist

Periodic Inspection Guidelines

Measurement of Electrical Powers

Measurement of Voltages and Use of PT

Mitsubishi Electric FR-E720-3.7K(SC) Specifications

General IconGeneral
BrandMitsubishi Electric
ModelFR-E720-3.7K(SC)
CategoryInverter
LanguageEnglish

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