How to fix continuous overcurrent inside Lenze i55AE155F?
To resolve continuous overcurrent inside the Lenze Inverter:* Check the motor and wiring for any short circuits.* Inspect the brake resistor and its wiring.* Verify the motor circuit connection (delta or star).* Confirm the correct setting of the motor data.
What to do if there is DC bus overvoltage in Lenze i55AE155F?
If you're experiencing DC bus overvoltage in your Lenze Inverter, take these steps:* Reduce the dynamic performance of the load profile.* Check the mains voltage.* Verify the settings for the brake energy management.* Connect a brake resistor to the power unit and activate the integrated brake chopper by setting P706.01 to 0.
Why does Lenze i55AE155F Inverter show a mains phase fault?
A mains phase fault in your Lenze Inverter can be caused by issues with the power supply. Check the mains connection wiring and inspect the fuses to ensure they are working correctly.
How to troubleshoot overtemperature fault in Lenze i55AE155F Inverter?
To troubleshoot an overtemperature fault in your Lenze Inverter:* Check the mains voltage.* Ensure sufficient cooling by monitoring the heatsink temperature (P117.01).* Clean the fan and ventilation slots or replace the fan if needed.* Reduce the switching frequency (P305.00).
What causes high device utilization on Lenze Inverter?
High device utilization (Ixt) on your Lenze Inverter can occur due to several reasons. Check the drive dimensions. Reduce the maximum overload current of the inverter (P324.00). If you have high mass inertias, reduce the maximum overload current of the inverter (P324.00) to 150 %.
How to fix short circuit on motor side of Lenze i55AE155F Inverter?
To address a short circuit or earth leakage on the motor side of your Lenze Inverter:* Inspect the motor cable.* Consider the length of the motor cable.* Use a shorter or lower-capacitance motor cable.
What to do if Lenze i55AE155F shows i²*t overload?
If your Lenze Inverter is showing an i²*t overload (thermal state), consider the following:* Verify the drive dimensions.* Check the machine/driven mechanics for excessive load.* Confirm the correct setting of the motor data.* Reduce values for slip compensation (P315.01, P315.02) and oscillation damping (P318.01, P318.02).
Why is my Lenze i55AE155F motor overheating?
If your Lenze Inverter motor is overheating:* Check the drive dimensions.* Check the motor thermal sensor and wiring (terminals X109/T1 and X109/T2).
How to resolve DC bus undervoltage in Lenze i55AE155F Inverter?
To resolve DC bus undervoltage in your Lenze Inverter:* Check the mains voltage.* Check the fuses.* Check the DC bus voltage (P105.00).* Check the mains settings.
What does '24 V supply critical' mean on Lenze i55AE155F Inverter?
If your Lenze Inverter displays '24 V supply critical':* Check the optional external 24 V voltage supply (terminal X3/24E), if connected.* Check the mains voltage.
Provides essential starting guidance and safety instructions before proceeding with installation and commissioning.
Outlines fundamental safety precautions to prevent severe personal injury and material damage.
Describes the connection of the safety module, including critical warnings about automatic restart.
Provides critical warnings about incorrect wiring and settings during commissioning, emphasizing safety checks.
Details how to save parameter settings using the keypad or the EASY Starter software for mains failure protection.
Explains the meaning of "RDY" and "ERR" LEDs on the inverter for quick information on operating states.
Discusses how the inverter detects errors, protects components, and handles operating errors, warnings, and faults.
Describes inverter behavior when memory module data does not match hardware or firmware, covering automatic and manual loading/saving.
Explains how the rated mains voltage impacts the inverter's operating range and provides a table of settings.
Covers starting performance options like DC braking or flying restart circuit, and stopping performance methods like coasting or quick stop.
Describes the "quick stop" function as an alternative stop method for faster motor stopping, including its triggers and parameters.
Explains how to set motor data manually, covering parameters like pole pairs, rated speed, frequency, power, and current.
Details the different modes for closed-loop/open-loop motor control supported by the inverter.
Covers functions for further optimizing drive behavior, including V/f voltage boost, skip frequencies, and oscillation damping.
Covers options for improving total system power by selecting motors, tuning controllers, and performing automatic identification/calibration.
Covers various monitoring functions to protect the device or motor from destruction or overload.
Covers activating network control, network control words, status words, and data mapping for network registers.
Details basic settings for PID control, including activating PID, configuring analog inputs, and selecting setpoint sources.
Covers device commands for calling organizational functions like saving, loading, and resetting parameter settings.
Details the DC braking function, which generates braking torque by injecting DC current into the motor.
Covers write access protection for inverter parameters via keypad and EASY Starter, restricting parameterization.
Explains the function that decelerates the motor during power failure using rotational energy to maintain DC-bus voltage.
Explains the STO function for safely switching off the drive immediately and its operating principle.
Details how to configure the start, stop, and reversal commands flexibly via digital inputs, keypad, or network.
Covers configuration of triggers for basic motor functions like enable, run, quick stop, and reverse.
Explains how to change setpoint sources during operation using functions like analog inputs, keypad, network, presets, and MOP.
Explains how to reset an active error by using the "Reset Fault" function or cancelling the start command.
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