I
iwoodSep 9, 2025
What does 'COM Error CPU Error' mean on my LS SV-xxx-iP5A-2 Inverter?
- SSusan FisherSep 10, 2025
If the LS Inverter displays 'COM Error CPU Error', it indicates that the inverter cannot communicate with the keypad.
To Next PageTo Next PageWhat does 'COM Error CPU Error' mean on my LS SV-xxx-iP5A-2 Inverter?
If the LS Inverter displays 'COM Error CPU Error', it indicates that the inverter cannot communicate with the keypad.
What does 'NTC open' mean on my LS SV-xxx-iP5A-2 Inverter?
If the LS Inverter displays 'NTC open', it means the internal NTC of the inverter is open.
What does 'Fuse Open' mean on my LS SV-xxx-iP5A-2?
If the LS Inverter displays 'Fuse Open', it indicates that the internal fuse has been opened due to overcurrent.
What does 'Keypad Open' mean on my LS SV-xxx-iP5A-2?
If the LS Inverter displays 'Keypad Open', it indicates that the wire is separated from the keypad.
Explains DANGER, WARNING, and CAUTION symbols and their implications.
Guidelines for safely handling and installing the inverter.
Precautions and guidelines for electrical wiring of the inverter.
Procedures and precautions for the initial operation test of the inverter.
General guidelines for operating the inverter safely and effectively.
Measures to prevent common operational faults and protect the system.
Guidelines for routine checks and replacement of inverter components.
Instructions on how to properly dispose of the inverter as industrial waste.
General advice and reminders for safe inverter operation and installation.
Specifies protective class requirements for connected circuits and shock protection.
Procedures for checking the inverter upon receipt for damage or defects.
Explains the numbering system used for the inverter models.
Guidelines for proper inverter installation placement and orientation.
Instructions for connecting power, motor, and control signals to the inverter.
Details the required peripheral devices and their correct connections for inverter operation.
Technical specifications for 200-230V class inverters, including ratings and dimensions.
Technical specifications for 380-480V class inverters, including ratings and dimensions.
Technical specifications for higher power 380-480V class inverters, including ratings.
Technical specifications for very high power 380-480V class inverters, including ratings.
General specifications covering control methods, operation, signals, protection, environment.
Details inverter trip conditions, alarms, and protection functions.
Specifies operating and storage environmental limits like temperature and humidity.
Essential safety and procedural guidelines for installing the inverter.
Detailed instructions and diagrams for main power and control circuit wiring.
Critical information on proper grounding procedures to prevent electrical shock.
Specifies wire sizes, terminal lugs, and torque for connections.
Overview of the LCD keypad functions and button operations.
Description of the information displayed on the LCD keypad.
Step-by-step guide on how to set and modify inverter parameters.
Outlines the five main parameter groups and their primary functions.
Explains how to navigate through parameter groups and codes using the LCD keypad.
Demonstrates common operational modes and configurations with step-by-step instructions.
Details various advanced functions and their parameter settings.
Covers common parameters that require initial setup for basic inverter functions.
Explains the V/F control mode and its associated parameter settings.
Outlines the five main parameter groups (DRV, FU1, FU2, I/O, APP) and their primary functions.
Lists and describes parameters related to drive mode, frequency, and acceleration/deceleration.
Lists and describes parameters for protection, starting, braking, and frequency settings.
Lists and describes parameters for trip history, dwell operation, frequency jumps, and retry.
Lists and describes parameters for digital and analog input/output terminal settings.
Lists and describes parameters for PID control, MMC, and multi-motor operations.
Details available optional devices such as keypads, DB units, and communication cards.
Overview of RS485 communication capabilities for controlling and monitoring inverters.
Instructions on connecting the inverter to PCs or PLCs via RS485 for communication.
Steps for connecting the communication line and setting related parameters.
Operating steps for establishing RS485 communication between a computer and the inverter.
Explains the considerations and constraints when using a three-phase VFD with a single-phase power supply.
Discusses derating requirements for current and horsepower when using single-phase input.
Details voltage and frequency tolerances specific to single-phase input operation.
Guidance on selecting input wiring and protection based on single-phase input current ratings.
Specifies the maximum allowed prospective short-circuit current for the drive.
Lists recommended UL-listed fuses and breakers for voltage and current ratings.
Table of recommended Molded Case Circuit Breakers (MCCB) and Magnetic Contactors (MC).
Table specifying AC input fuses and AC/DC reactor ratings for different inverter models.
Lists parameters related to setting acceleration, deceleration, and their patterns.
Parameters for setting frequency limits, torque boost, and motor selection.
Parameters for motor overheat protection, multi-step speed, and auto-restart.
Parameters for configuring PID control, MMC, and operation modes.
Parameters related to PC communication setup, including inverter number and baud rate.
Information on RFI filters and their role in ensuring EMC compliance.
Detailed steps for correctly installing EMI/RFI filters for optimal performance and safety.
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