What does earth fault mean on Lenze ESMD371L4TXA Inverter?
If the Lenze Inverter indicates an earth fault, it could be due to: * A grounded motor phase: Inspect the motor and motor cable. * Excessive capacitive charging current of the motor cable: Use shorter motor cables with a lower charging current.
Why Lenze DC Drives show earth fault?
An earth fault in Lenze DC Drives can occur if a motor phase is grounded, so you should check the motor and motor cable. It can also be due to excessive capacitive charging current of the motor cable, in this case use shorter motor cables with lower charging current.
What to do if Lenze DC Drives have controller overtemperature?
If the controller has an overtemperature, it means the controller is too hot inside. To resolve this, reduce the controller load and improve cooling.
What to do if Lenze DC Drives show undervoltage on DC bus?
If Lenze DC Drives show undervoltage on the DC bus, it could be because the mains voltage is too low. Check the mains voltage.
How to resolve dynamic braking fault in Lenze DC Drives?
A dynamic braking fault in Lenze DC Drives typically means that the dynamic braking resistors are overheating. To resolve this, increase the deceleration time.
What to do if Lenze DC Drives have a single phase fault?
If Lenze DC Drives have a single phase fault, it means a mains phase has been lost. Check the mains voltage.
What to do if Lenze DC Drives have a communication error?
If Lenze DC Drives have a communication error, it may be because the serial timer has timed out. Check the serial link connections.
What to do if Lenze ESMD371L4TXA shows short-circuit or overload?
If the Lenze Inverter experiences a short-circuit or overload, there are several potential causes: * A short-circuit itself: Investigate the cause and inspect the motor cable. * Excessive capacitive charging current: Use shorter motor cables. * Acceleration time is too short: Increase the acceleration time and check the controller selection. * Defective motor cable: Check the wiring. * Internal fault in the motor: Check the motor. * Frequent and long overload: Check controller selection.
Why is my Lenze ESMD371L4TXA showing overvoltage on DC bus?
If your Lenze Inverter is experiencing an overvoltage on the DC bus, it could be due to several reasons: * The mains voltage might be too high: Verify the mains voltage. * The deceleration time might be excessively short, or the motor might be in generator mode: Increase the deceleration time or consider using a dynamic braking option. * Earth leakage on the motor side: Check the motor and motor cable, separating the motor from the controller to diagnose.
What causes motor overload on Lenze ESMD371L4TXA?
If the Lenze Inverter displays a motor overload (I2t overload), it means the motor is thermally overloaded. This can be due to: * Impermissible continuous current. * Frequent or excessively long acceleration processes. To resolve this: * Check the controller selection. * Check the setting of c20.
Essential safety measures for handling and operating the inverter.
Correct usage and directives for drive controllers in machinery.
Precautions during transport, handling, and physical installation.
Guidelines for safe electrical wiring and connections.
Critical warnings about electrical hazards and component behavior.
Pictograms indicating hazardous electrical voltage and personal danger.
Symbols for equipment damage warnings and operational stops.
Special warnings applicable to UL approved systems.
Critical warning about residual charge in capacitors after power off.
Warning regarding potential fire or shock from protective device operation.
Rated and maximum output currents for various conditions.
Guidelines for physical mounting and placement.
Steps to ensure electromagnetic compatibility during installation.
Recommendations for protective devices and wire gauges.
Visual guide for wiring power and control connections.
Warning about capacitor damage and reforming procedures.
Safety warnings regarding electrical shock and output terminal connections.
Detailed description of each control terminal's purpose.
Procedures for navigating and changing inverter parameters.
List of parameter codes and their descriptive names.
Available selections and Lenze's recommended settings.
Critical information and usage advice for parameters.
Listing of error codes and their primary causes.
Troubleshooting steps for short-circuit and earth fault errors.
Remedies for motor overload and DC bus overvoltage.
General| Input Frequency | 50/60 Hz |
|---|---|
| Rated Power | 3.7 kW |
| Output Power | 3.7 kW |
| Protection Class | IP20 |
| Type | Inverter |
| Input Voltage | 380-480 V |
| Output Voltage | 0-480 V |
| Cooling | Air cooling |
| Control Method | V/f control |
| Cooling Method | Forced air cooling |
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