Emerson EV1000-4T0007G

Questions and Answers

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Curtis WilliamsAug 20, 2025
What to do if my Emerson EV1000-4T0007G shows drive overload?
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  Cynthia HarmonAug 20, 2025
  If your Emerson Inverter is showing a drive overload, there are several possible causes. It could be due to a too short Acc time, which means you should prolong the Acc time. Another reason may be too large DC braking energy, so you should reduce DC braking current and prolong braking time. Also, check for an improper V/F curve and adjust the V/F curve or torque boost value. If the drive is re-started with a rotating motor, start when the motor stops. Check the AC supply voltage if it is low. Finally, the load may be too heavy, so you may need to select a drive with larger power.
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ryan47Aug 22, 2025
What to do if my Emerson EV1000-4T0007G Inverter shows motor overload?
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  keithgreenAug 22, 2025
  If your Emerson Inverter indicates a motor overload, consider these potential causes. An improper V/F curve may be the issue, so set the V/F curve and torque boost value correctly. A low AC supply voltage could also be the cause, so check the AC supply voltage. If you are using a common motor operating at low speed with a large load for a long time, select a special motor for such operating condition. Also, verify the motor overload protection factor setting and correct it if it is incorrect. Finally, check the load in case the motor is blocked or the load changed suddenly.
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David HooverAug 25, 2025
What to do if Emerson EV1000-4T0007G shows over-current in constant speed operation?
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  adamrosalesAug 25, 2025
  If your Emerson Inverter shows an over-current in constant speed operation, it could be due to a sudden change of load, so reduce the change of the load. Another cause may be a too short Acc/Dec time, in which case you should prolong Acc/Dec time. You should also check the load for any abnormalities. Additionally, check the AC supply voltage if it is low. Finally, the drive’s power may be too low, so select a drive with larger capacity.
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Ricardo WalkerAug 26, 2025
What to do if my Emerson Inverter has over voltage in constant-speed operating process?
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  Margaret KelleyAug 26, 2025
  If your Emerson Inverter reports over voltage during constant-speed operation, check the AC supply voltage for any abnormalities. Also, check if the Acc/Dec time is too short and prolong the Acc/Dec time if needed. If there is an abnormal change of input voltage, install an input reactor. If the load inertia is too high, use a suitable dynamic braking device.
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ryan03Aug 27, 2025
What to do if Emerson Inverter shows over-current in Acc process?
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  sharonleeAug 28, 2025
  If your Emerson Inverter displays an over-current in Acc process, it could be due to a too short Acc time, so prolong the Acc time. Also, the V/F curve may not be suitable, so check and adjust V/F curve, adjust torque boost or set the motor parameters correctly to ensure the normal auto torque boost works well. If the rotating motor re-starts after the drive stops instantly, start when the motor stops. Check the drive’s input AC supply if the AC supply voltage is low. Finally, the drive power may be too small, so select a higher power drive.
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chanlaurieAug 29, 2025
Why Emerson Inverter shows over voltage in Dec process?
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  marisa92Aug 29, 2025
  If your Emerson Inverter displays over voltage in Dec process, it might be because the Dec time is too short (with reference to generated energy), so prolong the Dec time. It could also be due to a negative-torque load or the load inertia being too high, in which case you should use a suitable dynamic braking device.
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Jay EdwardsAug 31, 2025
What to do if my Emerson EV1000-4T0007G Inverter shows over-current in Dec process?
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  acameronAug 31, 2025
  If your Emerson Inverter is showing an over-current in Dec process, it could be due to a too short Dec time, so prolong the Dec time. It may also be caused by a negative-torque load or the load inertia being too high, so connect a suitable braking device. Another possibility is that the drive’s power is too low, so select the drive with larger capacity.
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martinezthomasSep 2, 2025
What to do if my Emerson Inverter shows over voltage in Acc process?
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  Kevin GordonSep 2, 2025
  If your Emerson Inverter displays over voltage in Acc process, check the AC supply voltage for any abnormalities. Also, the Acc/Dec time might be too short, so prolong the Acc time. If the drive is re-started with a rotating motor, start when the motor stops.
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Randall SinghSep 4, 2025
What to do if Emerson Inverter displays rectifier’s heatsink overheat?
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  Rick HoffmanSep 4, 2025
  If your Emerson Inverter displays that the rectifier’s heatsink is overheating, it could be due to ambient over-temperature, so lower the ambient temperature. It may also be caused by an obstruction of the ventilation channel, so clear the ventilation channel. If the fan is not working, replace the fan. If it is inverter fault seek service.
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Joseph McclainSep 6, 2025
What to do if Emerson EV1000-4T0007G Inverter experiences emergency stop or external equipment fails?
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  April BairdSep 6, 2025
  If your Emerson Inverter experiences an emergency stop or external equipment fails, check the present operating mode if you pressed the STOP key when operating at non-keypad mode. If you pressed STOP when the drive is in stall status, set the operating parameters correctly. Note that the drive will report E015 fault if it is in stall status for 1 minute, so set the operating parameters correctly. If the terminal used for stopping the drive in an emergency is closed, disconnect the terminal if the external fault is cleared.

Summary

Chapter 1 Safety Information

Danger and Warning Definitions

Defines "Danger" and "Attention" symbols to indicate potential hazards.

Notes for Installations

Critical safety guidelines for drive installation to prevent hazards.

Notes for Using the Drive

Important considerations for operating the drive safely and effectively.

Chapter 3 Installation and Wiring

3.1 Installation

Guidelines for mounting the drive with proper ventilation.

3.1.1 EMC Compliant Installation Methods

Installing the drive in a cabinet to meet EMC requirements.

Noise Suppression Methods

Techniques to reduce drive noise for equipment protection.

3.1.2 Noise Suppression Overview

General principles for suppressing drive noise.

Surge Suppressors, Leakage Current, and Power Filters

Power Line Filter Usage and AC Line Reactor Applications

3.2 Wiring Safety Precautions

Essential safety warnings before starting any wiring work.

Control Terminal Safety

Safety warnings regarding low voltage control terminals.

3.2.1 Wiring Overview

Introduction to power and control circuit wiring, and terminal strip locations.

3.2.2 Power Terminals

Details of power terminal layouts and definitions for different drive models.

3.2.3 Control Circuit Wiring

Explanation of control terminals, jumpers, and their functions.

CN5 Terminals Wiring

Describes the wiring and functionality of the CN5 terminal strip.

CN6 Wiring

Details the CN6 terminal strip layout and terminal functions.

Analog Output Terminals (AO1, AO2) Configuration

Digital Input Terminals (X1-X5) Configuration

Analog Input Terminal Wiring

Analog Output Terminal Wiring

Serial Communication Port Connection

Multi-function Input Terminal and FWD;REV Wiring

Wiring methods for input terminals and directional commands.

Multi-function Output Terminal Wiring

Wiring examples for multi-function output terminals Y1 and Y2.

3.2.4 Onsite Wiring Requirements

Cable routing and spacing rules to prevent EMI.

3.2.5 Earthing Methods

Recommended practices for effective drive earthing.

Chapter 4 Operation Procedures

Drive Control Modes

Explains keypad, terminal, and host control methods.

Frequency Setting Methods

4.2 Operation Guide

LED Keypad Operation

Functionality of the LED keypad for control and display.

Keypad Function Explanation

Details the function of each key on the LED keypad.

Indicator Descriptions

Explains the meaning and color of indicators on the keypad.

Parameter Setting Method

Describes the parameter system and how to set parameters.

Menu Structure and Parameter Setting

Examples of Parameter Setting

Provides step-by-step guides for setting parameters.

Speed Setting

How to adjust set speed and line speed in real-time.

How to Lock;Unlock Keypad

Instructions for securing the keypad against unauthorized access.

Chapter 5 Parameters

5.1 Basic Operating Parameters (F0)

Covers fundamental parameters like frequency setting and control modes.

F0.00 Frequency Setting Methods

F0.01 Digital Frequency Control

F0.02 Frequency Digital Setting

F0.03 Control Mode Selection

Selects between keypad, terminal, or serial port control.

F0.05 Maximum Output Frequency

F0.06 Base Frequency

F0.07 Maximum Output Voltage

Torque Boost and Acceleration;Deceleration

Frequency Limits

V;F Curve Settings

5.2 Reference Frequency (F1)

Parameters for setting and processing reference frequency inputs.

Frequency Curve Selection and Gain

5.3 Start;Brake Parameter (F2)

Configures start modes, braking parameters, and Acc/Dec modes.

Start Mode and Frequency Settings

Sets start mode, start frequency, and hold time.

Acc;Dec Mode Selection

Chooses between linear, S curve, or automatic Acc/Dec modes.

Stop Mode Selection

Defines how the drive stops (decelerate, coast, DC brake).

5.4 Auxiliary Operating Parameters (F3)

Parameters for auxiliary functions like anti-reverse, energy saving, and AVR.

Jog Parameters

Multi-Speed (MS) Frequencies (F3.23-F3.29)

5.5 PLC Parameters (F4)

Parameters for the Simple PLC function to create sequential operations.

Simple PLC Mode Configuration

Sets PLC running modes, restart behavior, and state saving.

PLC Stage Settings (F4.01, F4.03, etc.)

Configures frequency, direction, and Acc/Dec for each PLC stage.

PLC Stage Run Times (F4.02, F4.04, etc.)

Sets the duration for each PLC stage.

5.6 Close-loop Control (F5)

Parameters for configuring analog and pulse feedback close-loop control systems.

F5.00 Close Loop Control

Enables or disables the close-loop control function.

F5.01 Reference Input Method

F5.02 Feedback Method

Input and Feedback Relationship (F5.08-F5.11)

PI Controller Gains (Kp, Ki)

F5.15 Error Limit

F5.16 Close-loop Regulation Characteristic

Selects positive or negative logic for speed regulation.

MS Close-loop Settings (F5.20-F5.26)

5.7 Traverse Parameters (F6)

Parameters for traverse function, used in textile and chemical fiber industries.

F6.00 Traverse Function Selection

Enables or disables the traverse function.

F6.01 Traverse Mode

Configures traverse mode settings: transfer, amplitude, start/stop, save state.

Preset Traverse Frequency and Hold Time

Traverse Amplitude

5.8 Multi-function Terminal (F7)

Assigns functions to multi-function input terminals X1 through X5.

F7.00-F7.02 Multi-function Terminal Functions

F7.03-F7.04 Multi-function Terminal Functions

MS Close-loop Terminal Configuration

F7.26 AO1 Output Function

F7.27 AO2 Output Function

F7.35 Terminal Logic Configuration

F8.01 LED Displayed Parameter Selection 1

F8.02 LED Displayed Parameter Selection 2

F8.03 Displayed Parameter at Stop State

5.10 Enhanced Function (F9)

F9.00 Operating Command Bundling

F9.01 Auxiliary Frequency Setting Method

F9.04 Digital Auxiliary Reference Control

F9.07 STOP;RESET Key Function and Keypad Lock

Configures STOP/RESET key function and keypad lock settings.

Restart After Power Failure Settings

Group FF: Communication Parameters

Parameters for configuring communication settings like baud rate and data format.

FF.00 Communication Configuration

Sets baud rate, data format, virtual terminal, and connection mode.

Motor Pole and Power Settings

FH.09 Auto Tuning Configuration

Enables and configures motor auto-tuning processes (stationary or rotating).

5.14 Protection (FL) Overview

Parameters for various protection functions of the drive and motor.

Motor Overload Protection Modes

Selects motor overload protection mode (disabled, common, variable frequency).

Motor Overload Protection Factor

Sets the overload protection factor based on motor or drive rated current.

Stall Overvoltage Protection

Enables stall overvoltage protection during deceleration.

Stall Overvoltage Point

Sets the voltage threshold for stall overvoltage protection.

FL.04 Overload Detection Configuration

Configures overload detection mode, action mode, and reference current.

Overload Detection Threshold and Delay

Sets the threshold and delay for overload alarm detection.

Auto Current Limiting Threshold

Sets the threshold for auto current limiting to prevent over-current trips.

Frequency Decrease Rate During Current Limiting

FL.09 Auto Current Limiting Action Mode

Auto Reset Times and Interval

Protective Action Mode 1

Protective Action Mode 2

5.16 Protection of Parameters (FP)

Parameters for protecting settings against unauthorized modification.

FP.00 User Password

Sets a user password to protect parameters from unauthorized access.

FP.01 Write-in Protection

Controls which parameters can be modified when password protection is active.

FP.02 Parameter Initialization

Resets parameters to factory defaults or clears fault records.

Chapter 6 Troubleshooting

Provides guidance on diagnosing and resolving drive faults and operational issues.

Table 6-1 Fault Information and Diagnosis

Lists possible faults, their descriptions, reasons, and recommended actions.

Over-current Faults (E001-E003)

Overvoltage Faults (E004-E007)

Output Phase Loss and Heatsink Overheat

Drive Overload and Motor Overload

Emergency Stop, EEPROM, and Communication Faults

Current Detection Circuit and System Disturbance Faults

Tuning Faults

Operation Related Faults and Counteractions

Provides a table of common operational faults and their solutions.

Keypad and Parameter Setting Issues

Drive Does Not Run Troubleshooting

Troubleshoots issues where the drive fails to run when the RUN key is pressed.

Unexpected Stops During Running

Addresses unexpected stops during operation, covering PLC pauses or communication issues.

Chapter 7 Maintenance

Provides guidelines for routine and periodic maintenance to ensure optimal performance.

7.1 Routine Maintenance

Guidelines for routine maintenance to ensure good operation and prolong drive lifetime.

Daily Checking Items Table

7.2 Periodic Maintenance

Recommends periodic checks every 3 or 6 months based on the environment.

General Inspection Procedures

7.3 Replacing of Easily-worn Parts

7.5 Warranty Agreement

Appendix 1 Parameter Set

Details the organization and explanation of drive parameters.

Group 0: Basic Operating Parameters

Covers fundamental parameters like frequency setting, control modes, and direction.

Group 1: Reference Frequency

Parameters for setting and processing reference frequency inputs.

Group 2: Start;Brake Parameters

Configures start modes, braking parameters, and Acc/Dec modes.

Group 3: Auxiliary Operating Parameters

Group 4: PLC Parameters

Parameters for the Simple PLC function to create sequential operations.

Group 5: Close-loop Control

Parameters for configuring analog and pulse feedback close-loop control systems.

Group 6: Traverse Operating Parameter

Group 7: Multi-function Terminals

Assigns functions to multi-function input and output terminals.

Group 8: Display Control Parameters

Group 9: Enhanced Function

Group FL: Protection Parameters

Parameters for various protection functions of the drive and motor.

Group FP: Protection of Parameters

Parameters for protecting settings against unauthorized modification.

Group FH: Motor Parameters

Parameters for motor characteristics, used for auto-tuning and performance optimization.

Appendix 2 Communication Protocol

Details communication modes, protocols, and command lists for networking.

Protocol Command List

Read Parameter (Temporary) Commands

Operating Control Commands

Warranty Agreement Details