To Next PageTo Next PageWhat to do if Mitsubishi Electric FR-E740-3.7K(SC) Inverter trips due to overcurrent during constant speed?
If your Mitsubishi Electric Inverter experiences an overcurrent trip during constant speed, ensure that the load remains stable.
How to fix write disable error on Mitsubishi Electric FR-E740-3.7K(SC)?
To resolve a write disable error on your Mitsubishi Electric Inverter, check the setting of Pr. 77 Parameter write selection.
What to do if Mitsubishi Electric FR-E740-3.7K(SC) Inverter experiences stall prevention (overvoltage)?
If your Mitsubishi Electric Inverter experiences stall prevention (overvoltage), the deceleration time may change. Increase the deceleration time using Pr. 8 Deceleration time.
What to do if Mitsubishi Electric Inverter is password locked?
If your Mitsubishi Electric Inverter is password locked, enter the password in Pr. 297 Password lock/unlock to unlock the password function before operating.
Why Mitsubishi Electric FR-E740-3.7K(SC) Inverter shows undervoltage?
If your Mitsubishi Electric Inverter shows an undervoltage error, check the power supply system equipment such as the power supply.
What to do if Mitsubishi Electric FR-E740-3.7K(SC) Inverter trips due to regenerative overvoltage during acceleration?
If the Mitsubishi Electric Inverter trips due to regenerative overvoltage during acceleration, decrease the acceleration time.
What to do if Mitsubishi Electric Inverter trips due to regenerative overvoltage during constant speed?
If your Mitsubishi Electric Inverter trips due to regenerative overvoltage during constant speed, keep the load stable.
What to do if Mitsubishi Electric FR-E740-3.7K(SC) Inverter trips due to regenerative overvoltage during deceleration or stop?
If the Mitsubishi Electric Inverter trips because of regenerative overvoltage during deceleration or stop, increase the deceleration time.
What to do if Mitsubishi Electric FR-E740-3.7K(SC) Inverter trips due to overcurrent during deceleration or stop?
If your Mitsubishi Electric Inverter trips due to overcurrent during deceleration or stop, increase the deceleration time.
What to do if Mitsubishi Electric Inverter trips due to overcurrent during acceleration?
If the Mitsubishi Electric Inverter trips due to overcurrent during acceleration, increase the acceleration time.
General| Model | FR-E740-3.7K(SC) |
|---|---|
| Series | FR-E700 |
| Type | Inverter |
| Rated Output Power | 3.7 kW |
| Horsepower | 5 HP |
| Rated Current | 8.5 A |
| Input Frequency | 50/60 Hz |
| Protection Level | IP20 |
| Cooling Method | Fan Cooled |
| Humidity | 95% RH or less (non-condensing) |
| Input Voltage | 3-phase 380-480V AC |
| Protection Features | Overcurrent, Overvoltage, Undervoltage |
| Operating Temperature | -10 to +50 °C |
| Storage Temperature | -20 to +65 °C |
| Altitude | Up to 1000 m |
Addresses electromagnetic compatibility (EMC) and leakage currents, including measures to suppress noise and ensure safe operation.
General safety precautions for operating the inverter, covering wiring, handling, and environmental considerations.
A comprehensive list of all parameters, including their numbers, names, setting ranges, and descriptions for configuration.
Details how to adjust motor torque characteristics, including torque boost, slip compensation, and stall prevention.
Covers setting acceleration and deceleration times, patterns, and related functions for smooth motor control.
Guidance on selecting the appropriate motor and implementing protection features like overheat protection.
Details on motor braking methods, including DC injection brake, regenerative braking, and stop-on-contact control.
Explains how to assign functions to external input and output terminals for flexible control.
Covers automatic restart and power failure deceleration functions for reliable operation during power interruptions.
Details how to configure retry functions and manage fault occurrences to ensure continuous operation.
Covers functions for preventing misoperation, such as reset selection, parameter write protection, and password lock.
Describes methods for resetting protective functions and recovering the inverter after a fault.
Provides a comprehensive list of fault and alarm codes displayed on the operation panel and their meanings.
Details common causes of faults and alarms, along with recommended corrective actions for troubleshooting.
