To Next PageTo Next PageHow to fix stall prevention on Mitsubishi Electric FR-E740-026?
To address stall prevention issues with your Mitsubishi Electric Inverter: * Reduce the load weight. * Check the Pr. 22 Stall prevention operation level setting.
How to fix ground fault on Mitsubishi Electric FR-E740-026 Inverter?
To fix a ground fault on your Mitsubishi Electric Inverter, locate and repair the ground fault.
How to fix communication option fault on Mitsubishi Electric Inverter?
To troubleshoot a communication option fault on your Mitsubishi Electric Inverter: 1. Check the option function setting. 2. Ensure the plug-in option is securely connected. 3. Verify the connection of the communication cable. 4. Confirm that the terminating resistor is correctly connected.
What to do if Mitsubishi Electric Inverter shows PU disconnection?
If your Mitsubishi Electric Inverter displays a PU disconnection error, ensure the parameter unit (FR-PU04/FR-PU07) is securely connected.
What to do if Mitsubishi Electric FR-E740-026 Inverter shows retry count excess?
If your Mitsubishi Electric Inverter shows a retry count excess error, identify and eliminate the cause of the error that occurred before this indication.
How to troubleshoot USB communication fault on Mitsubishi Electric FR-E740-026 Inverter?
To troubleshoot a USB communication fault on your Mitsubishi Electric Inverter: * Check the Pr. 548 USB communication check time interval setting. * Inspect the USB communication cable for any damage. * Try increasing the Pr. 548 USB communication check time interval setting, or set it to 9999.
General| Model | FR-E740-026 |
|---|---|
| Series | FR-E700 |
| Frequency Range | 50/60Hz |
| Protection Class | IP20 |
| Output Frequency Range | 0-400Hz |
| Control Method | V/f control, Vector control |
| Protection Structure | Open type |
| Overload current rating | 150% for 60 seconds |
| Cooling method | Fan cooled |
| Operating temperature | -10°C to +50°C |
| Storage temperature | -20°C to +65°C |
| Ambient humidity | 95% RH or less (non-condensing) |
| Vibration resistance | 5.9 m/s² |
| Communication | RS-485 |
Unpacking and verifying inverter components and rating plates.
Basic wiring procedures, including terminal connection diagrams for standard and safety stop models.
Details on main circuit terminals, power supply, and motor wiring arrangements for different inverter series.
Guidance on minimizing electromagnetic interference and managing leakage currents for safe operation.
Essential safety guidelines and operational precautions to prevent product damage or shortened lifespan.
A comprehensive list of all inverter parameters, their settings, and related pages for detailed explanation.
Details on adjusting motor torque using boost, slip compensation, and stall prevention functions.
Configuration of acceleration, deceleration times, and patterns for smooth motor start-up and stop.
Guidance on motor selection, overheat protection, and using auto-tuning for optimal performance.
Procedures for resetting inverter protective functions after faults or warnings.
A comprehensive list of all fault and alarm codes with their corresponding names and page references.
Detailed troubleshooting guide for common error messages, warnings, and faults with suggested corrective actions.
A systematic checklist for diagnosing common operational issues like motor not starting or speed variations.
