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lindsey54Sep 3, 2025
What does PU stop mean on Mitsubishi Electric Inverter?
- AandrewmitchellSep 3, 2025
Stop with of the PU is set in Pr. 75 Reset selection/disconnected PU detection/PU stop selection. Turn the start signal OFF and release with .
To Next PageTo Next PageWhat does PU stop mean on Mitsubishi Electric Inverter?
Stop with of the PU is set in Pr. 75 Reset selection/disconnected PU detection/PU stop selection. Turn the start signal OFF and release with .
How to reset Mitsubishi Electric FR-D740-2.2K Inverter?
Turn OFF the reset command.
What causes Mitsubishi Electric FR-D740-2.2K Inverter overload trip and how to fix it?
The inverter output stops if the temperature of the output transistor element exceeds the protection level when a current not less than the inverter rated current flows and overcurrent trip does not occur (200% or less). To resolve this, increase the acceleration/deceleration time.
Why Mitsubishi Electric Inverter stall prevention (overcurrent) occurs?
Stall prevention (overcurrent) occurs during acceleration when the output current of the inverter exceeds the stall prevention operation level. This function stops the increase in frequency until the overload current decreases to prevent the inverter from resulting in overcurrent trip. Ensure that the Pr. 0 Torque boost setting is not too large.
How to solve Mitsubishi Electric FR-D740-2.2K Inverter stall prevention (overvoltage)?
During deceleration, stall prevention (overvoltage) happens if the regenerative energy of the motor becomes excessive. To prevent overvoltage trip, increase the deceleration time using Pr. 8 Deceleration time.
What causes overcurrent trip during constant speed on Mitsubishi Electric Inverter?
The protective circuit is activated and the inverter output is shut off when the inverter output current reaches or exceeds approximately 200% of the rated current during constant speed operation. To resolve this, keep the load stable.
How to fix regenerative overvoltage trip during deceleration or stop in Mitsubishi Electric FR-D740-2.2K?
If regenerative energy causes the inverter's internal main circuit DC voltage to reach or exceed the specified value during deceleration or stop, the protective circuit activates to stop the inverter output. You should increase the deceleration time.
What to do for overcurrent trip during deceleration or stop in Mitsubishi Electric Inverter?
The protective circuit activates and shuts off the inverter output when the inverter output current reaches or exceeds approximately 200% of the inverter rated current during deceleration (other than acceleration or constant speed). Increase the deceleration time to solve this.
How do I prevent regenerative overvoltage trip during acceleration on a Mitsubishi Electric Inverter?
If regenerative energy causes the inverter's internal main circuit DC voltage to reach or exceed the specified value, the protective circuit is activated and the inverter output is shut off. To address this, decrease the acceleration time.
What causes regenerative overvoltage trip during constant speed on Mitsubishi Electric Inverter?
If regenerative energy causes the inverter's internal main circuit DC voltage to reach or exceed the specified value, the protective circuit is activated to stop the inverter output. Ensure that you keep load stable.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | FR-D740-2.2K |
| Category | Inverter |
| Language | English |
Covers environmental standards, temperature, humidity, dust, and vibration considerations for inverter installation.
Provides the terminal connection diagram for the inverter's main and control circuits.
Details the terminal layout, specifications, and wiring for the main circuit of various inverter models.
Discusses leakage currents, countermeasures, and line-to-line leakage currents.
Covers general safety precautions, wiring, handling, and installation guidelines to prevent product damage or life shortening.
Explains how to provide system failsafe by using inverter status output signals to prevent accidents.
Provides a comprehensive list of all parameters, their settings, initial values, and refer pages.
Details motor overheat protection using electronic thermal O/L relay or PTC thermistor, and applied motor selection.
Describes how to assign functions to input and output terminals, communication, and safety stop signals.
Explains automatic restart after power failure and power-failure deceleration stop functions.
Details retry functions, phase loss protection, and earth fault detection at start.
Details reset selection, disconnected PU detection, PU stop selection, parameter write disable, and password functions.
Explains the procedures to reset the inverter after a fault or warning occurs.
Provides a table of fault and alarm codes displayed on the operation panel, with corresponding names and refer pages.
Details common causes for error messages, warnings, and faults, along with recommended corrective actions.
