To Next PageTo Next PageWhat to do if Mitsubishi Electric Inverter shows undervoltage?
If your Mitsubishi Electric Inverter is showing an undervoltage error, check the power supply system equipment, including the power supply itself.
What to do for regenerative overvoltage trip during acceleration on Mitsubishi Electric Inverter?
To resolve regenerative overvoltage trip during acceleration on your Mitsubishi Electric Inverter: 1. Decrease the acceleration time. 2. Ensure that the regeneration avoidance function (Pr. 882, Pr. 883, Pr. 885, Pr. 886) is enabled and properly configured.
Why is Mitsubishi Electric Inverter showing electronic thermal relay function prealarm?
If your Mitsubishi Electric Inverter is showing an electronic thermal relay function prealarm: 1. Reduce the load and frequency of operation. 2. Set an appropriate value in Pr. 9 Electronic thermal O/L relay.
What to do if Mitsubishi Electric FR-E740-026 shows regenerative brake prealarm?
If you're seeing a regenerative brake prealarm on your Mitsubishi Electric Inverter: 1. Try increasing the deceleration time. 2. Make sure that the Pr. 30 Regenerative function selection and Pr. 70 Special regenerative brake duty settings are configured correctly.
How to fix write disable error on Mitsubishi Electric FR-E740-026?
A write disable error on your Mitsubishi Electric Inverter may occur due to several reasons: * If Pr. 77 Parameter write selection is set to disable parameter write, check this setting. * If the frequency jump setting range is overlapping, review the settings of Pr. 31 to Pr. 36 (frequency jump). * If the PU and inverter are not communicating correctly, verify the connection between the PU and the inverter.
What to do for Mitsubishi Electric FR-E740-026 reset?
To resolve an unexpected inverter reset on your Mitsubishi Electric Inverter, turn off the reset command.
What to do if Mitsubishi Electric Inverter has brake sequence fault?
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 |
