Lenze SMD - User Manual

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SMD

Frequency Inverter: Basic I/O

with CANopen 0.25kW... 4.0kW

Operating Instructions

(13466185)

Questions and Answers:

S
swhiteAug 29, 2025
What to do if Lenze Inverter shows short-circuit or overload?
- W
  William AguirreAug 29, 2025
  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.
C
Clinton RodriguezAug 29, 2025
Why is my Lenze Inverter showing overvoltage on DC bus?
- M
  Melody BarkerAug 29, 2025
  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.
M
Michelle MartinezAug 30, 2025
What causes motor overload on Lenze Inverter?
- A
  Adam FullerAug 30, 2025
  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.
R
Robert DurhamAug 30, 2025
What does earth fault mean on Lenze Inverter?
- S
  stephaniehoAug 30, 2025
  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.
J
jeffery73Aug 31, 2025
How to fix communication error on Lenze Inverter?
- L
  Lisa LozanoAug 31, 2025
  If the Lenze Inverter reports a communication error, it could be due to the serial timer timing out. In this case, check the serial link connections.
J
jonjohnsonAug 25, 2025
What to do if Lenze DC Drives show a short-circuit or overload?
- I
  ilynchAug 25, 2025
  If your Lenze DC Drive displays 'Short-circuit or overload', the cause may be a short-circuit. You should find the reason for the short-circuit and check the motor cable. It may also be due to excessive capacitive charging current of the motor cable, in which case you should use shorter motor cables with lower charging current. Another cause can be acceleration time that is too short, so you should increase acceleration time and check controller selection. Check the wiring if the motor cable is defective or check the motor if there is an internal fault. If there is a frequent and long overload, check the controller selection.
S
Susan CrawfordSep 1, 2025
How to resolve Lenze Inverter stop with inhibited outputs?
- P
  Patricia CowanSep 1, 2025
  If the Lenze Inverter stops and the outputs U, V, W are inhibited, it is because there is a LOW signal at terminal 28. To solve this, set terminal 28 to HIGH.
S
scottpattersonSep 1, 2025
How to troubleshoot Dynamic braking fault on Lenze Inverter?
- J
  jmarshallSep 1, 2025
  If the Lenze Inverter is showing a Dynamic braking fault, it indicates that the dynamic braking resistors are overheating. To resolve this, increase the deceleration time.
J
John HayesSep 2, 2025
Why is Lenze Inverter output frequency 0 Hz?
- W
  William PowellSep 2, 2025
  If the Lenze Inverter's output frequency is 0 Hz and the outputs U, V, W are inhibited, it could be due to: * Setpoint = 0 Hz (C31 = 0): In this case, you need to perform a setpoint selection. * Quick stop activated through digital input or serial link: Deactivate the Quick stop.
M
Miguel LambSep 2, 2025
Why are Lenze Inverter buttons not working?
- J
  Julie RomeroSep 2, 2025
  If the Lenze Inverter indicates that the remote keypad is active, the buttons on the front of the controller are disabled. This is normal operation when the remote keypad is in use.

Lenze SMD Specifications

General

Product series	SMD
Category	DC Drives
Field current	Up to 2 A
Control mode	Speed, torque, position
Protection	Overcurrent, overvoltage, overtemperature

Summary

About These Instructions

Scope of Delivery

Details items included with the inverter.

Important Notes

Critical information regarding product receipt and checks.

Safety Information

General Safety Precautions

Overall safety guidelines for handling and operation.

Application as Directed

Specifies intended use and compliance with directives.

Installation Safety

Guidelines for safe mechanical and electrical installation.

Operation Safety

Safety considerations during the operation of the inverter.

Pictographs and Warnings

Explains symbols and signal words used in the manual.

Technical Data

Standards and Application Conditions

Lists relevant standards and environmental operating conditions.

Product Ratings

Details electrical specifications and output current ratings.

Installation

Mechanical Installation

Covers physical mounting and dimensions of the inverter.

Electrical Installation

Details wiring, EMC requirements, and connection diagrams.

Commissioning

Parameter Setting Overview

Explains how to set and adjust operating parameters.

Electronic Programming Module (EPM)

Describes the EPM for storing and managing parameter settings.

Parameter Menu Structure

Details the codes, names, and functions of various parameters.

CANopen Mapping Details

Defines how data is mapped for CANopen communication.

RPDO Mapping Details

Specifies the mapping of Receive PDO data.

TPDO Mapping Details

Specifies the mapping of Transmit PDO data.

Quick CAN Setup

Guides through the initial setup for CAN communication between controllers.

Troubleshooting and Fault Elimination

Status Indicators and Basic Faults

Explains status codes and common basic operational faults.

Specific Error Codes and Causes

Lists specific error codes, their causes, and remedies.

CAN Communication Faults

Addresses faults related to CAN communication timeouts and initialization.

Circuit and Overload Faults

Covers faults related to short circuits, overloads, and voltage issues.

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