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Emerson EV2000-4T0300G1/0370P1 - User Manual

Emerson EV2000-4T0300G1/0370P1
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EV2000 Series Universal Variable Speed Drive
User Manual
Version V3.2
Revision date August 11, 2008
BOM 31011126
Emerson Network Power provides customers with technical support. Users may
contact the nearest Emerson local sales office or service center.
Copyright © 2005 by Emerson Network Power Co., Ltd.
All rights reserved. The contents in this document are subject to change without
notice.
Emerson Network Power Co., Ltd.
Address: No.1 Kefa Rd., Science & Industry Park, Nanshan District 518057,
Shenzhen China
Homepage: www.emersonnetworkpower.com.cn
Customer Service Hotline: +86 755 86010581
Complaint Hotline: +86 755 86010800
E-mail: support@emersonnetwork.com.cn

Table of Contents

Questions and Answers

  • J
    jjonesSep 4, 2025
    What causes IGBT protection to activate in Emerson EV2000-4T0300G1/0370P1?
    • M
      Mary AllenSep 4, 2025
      If the IGBT protections are activated in your Emerson DC Drives, it could be due to several reasons: instantaneous over-current (refer to E001~E003), a short-circuit among the 3-phase output or line-to-ground short circuit (rewiring may be necessary), an obstructed vent or a non-working fan (clean the vent or replace the fan), over-temperature (lower the ambient temperature), loose wires or connectors on the control board (check and rewire), a distorted current waveform due to output phase loss (check the wiring). If the auxiliary power supply is damaged or the IGBT driving voltage is too low, or if there's a short-circuit of the IGBT bridge, or the control board is abnormal, seek service.
  • J
    jconradSep 18, 2025
    What to do if Emerson EV2000-4T0300G1/0370P1 DC Drives show EEPROM R/W fault?
    • J
      Jeffrey Lopez Jr.Sep 18, 2025
      If your Emerson DC Drives are showing an EEPROM R/W fault due to a R/W fault of control parameters, press STOP/RESET to reset.
  • J
    Joyce MaySep 16, 2025
    Why is the contactor not closing in my Emerson DC Drives?
    • R
      ricky43Sep 16, 2025
      If the contactor is not closing in your Emerson DC Drives, it could be due to low AC supply voltage; check the AC supply voltage. The contactor itself might be damaged, so replace the contactor in the main circuit and seek service. A damaged soft start resistor could also be the cause, so replace it and seek service. The control circuit might be damaged, so seek service. Finally, input phase loss can cause this issue, so check the wiring of R, S, T.
  • S
    susanhowardSep 14, 2025
    What should I do if my Emerson EV2000-4T0300G1/0370P1 show emergent stop or external equipment failure?
    • S
      Shelley RubioSep 14, 2025
      If your Emerson DC Drives experience an emergent stop or external equipment failure, it could be because STOP is pressed in non-panel control mode; check the definition of STOP function in F9.07 and the operating mode. It could also be because STOP was pressed when the drive is in stall status; check the definition of STOP function in F9.07. The drive will report E015 fault if it is in stall status for 1 minute; set FL.02 and FL.03 properly. If the terminal used for stopping the drive in emergent status is closed, disconnect the terminal if the external fault is cleared.
  • S
    Samuel HenrySep 12, 2025
    What causes the drive's control power supply over voltage in Emerson EV2000-4T0300G1/0370P1?
    • C
      Cheryl MckeeSep 13, 2025
      If your Emerson DC Drives are showing a drive’s control power supply over voltage, it is due to abnormal AC supply voltage. Check the AC supply voltage or seek service.
  • J
    James ParkerSep 12, 2025
    How do I fix an overheated IGBT module heatsink in Emerson EV2000-4T0300G1/0370P1 DC Drives?
    • E
      Evan RussellSep 12, 2025
      If the IGBT module’s heatsink is overheating in your Emerson DC Drives, it could be due to over-temperature; lower the ambient temperature. The vent might be obstructed, so clean the vent. Alternatively, the fan may not be working, so replace the fan. If none of these resolve the issue, the IGBT module might be abnormal, so seek service.
  • C
    Carlos ThompsonSep 9, 2025
    Why is RS232/RS485 communication failing on my Emerson EV2000-4T0300G1/0370P1 DC Drives?
    • G
      gerald42Sep 9, 2025
      If you are experiencing RS232/RS485 communication failure with your Emerson DC Drives, it might be due to a wrong baud rate setting; set the baud rate correctly. It could also be due to a serial port communication error; in this case, press STOP/RESET to reset, or seek service. Improper settings of alarm parameters can also cause this issue; modify FF.02, FF.03 and FL.12. Finally, check the host PC and the wiring to ensure they are working correctly.
  • A
    Alyssa GarciaSep 7, 2025
    How to troubleshoot output phase failure in Emerson EV2000-4T0300G1/0370P1 DC Drives?
    • M
      Melissa MaySep 7, 2025
      If your Emerson DC Drives are showing an output phase failure, it means that one of the phases U, V, or W cannot be detected. Check the drive’s output wiring, the cable, and the motor.
  • J
    Jose AndersonSep 5, 2025
    What to check if Emerson DC Drives show input phase loss?
    • K
      Kimberly ShieldsSep 6, 2025
      If you're experiencing an input phase loss with your Emerson DC Drives, it means that one of the phases R, S, or T cannot be detected. To resolve this, check the wiring and installation, and also check the AC supply voltage.
  • M
    Mr. Thomas OnealAug 21, 2025
    How to fix over-current during acceleration in Emerson EV2000-4T0300G1/0370P1?
    • K
      Kelly HayesAug 21, 2025
      If you're experiencing over-current during acceleration with your Emerson DC Drives, it could be due to several reasons. The acceleration time might be too short, so try prolonging it. The V/F curve may not be suitable; in this case, check and adjust the V/F curve and torque boost, or correctly set the motor parameters to ensure normal auto torque boost. If the motor restarts right after stopping, set F2.00 to the “start on fly” function. Also, check the drive’s input AC supply in case of low voltage, or consider that the drive power may be insufficient, and you might need to select a higher power drive.

Emerson EV2000-4T0300G1/0370P1 Specifications

General IconGeneral
BrandEmerson
ModelEV2000-4T0300G1/0370P1
CategoryDC Drives
LanguageEnglish

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