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General • Inspections

Haas CHC Vector Drive Troubleshooting Guide

This procedure provides step-by-step instructions for diagnosing and resolving issues related to the CHC Vector Drive system in Haas machines, ensuring efficient troubleshooting and maintenance.
The Gund Co. ALB
03/26/2024

Haas CHC Vector Drive Troubleshooting Guide

This procedure provides step-by-step instructions for diagnosing and resolving issues related to the CHC Vector Drive system in Haas machines, ensuring efficient troubleshooting and maintenance.

    Warning: Only qualified personnel should perform electrical tests.

    Troubleshooting Website Address.

    CHC Vector Drive

    • VectorDrive.webp

    Electrical Diagram

    • Electricaldiagram.png

    Perform visual inspection of vector drive for any visible damage

    • Pass
    • Flag
    • Fail

    Short Circuit Inspection 1

    • ShortCircuitInspection1.png

    Record Terminal #4 to Ground Ohm's

    • Terminal4togroung.png

    Record Terminal #5 to Ground Ohm's

    • Terminal5.png

    Record Terminal #6 to Ground Ohm's

    • Terminal6.png

    Record Terminal #2 to Terminal #9 Ohm's

    • Terminal2to9.png

    Record Terminal #2 to Terminal #10 Ohm's

    • Terminal2to10.png

    Record Terminal #2 to Terminal #11 Ohm's

    • Terminal2to11.png

    Record Terminal #3 (-) to Terminal #9 Ohm's

    • terminal3to9.png

    Record Terminal #3 (-) to Terminal #10 Ohm's

    • terminal3to10.png

    Record Terminal #3 (-) to Terminal #11 Ohm's

    • terminal3to11.png

    Record terminal 3 (-) with black lead to terminal 1 with red lead.

    • terminal1to3.png

    Regen Load Test. Disconnect terminal 1 and 2. Record Ohm's

    • Regen.png
    • Regen1.png

    Record DC Buss Voltage

    • Terminal2and3voltage.png
    • Terminal2and3voltagedescription.png
    • Ampliferdiodetest.png

    Cooling fan operational? Going correct direction?

    • coolingfan.png
    • Overtemp.png
    • Pass
    • Flag
    • Fail

    Record Incoming Voltage Terminal 1 and 2

    • Inpurvoltagetest.png

    Record Incoming Voltage Terminal 1 and 3

    • Inpurvoltagetest.png

    Record Incoming Voltage Terminal 2 and 3

    • Inpurvoltagetest.png

    Record Terminal 3 and 9 voltage

    • Unbalancedoutputinspection.png

    Record Terminal 3 and 10 voltage

    • Unbalancedoutputinspection.png

    Record Terminal 3 and 11 voltage

    • Unbalancedoutputinspection.png
Source: The Gund Co. ALB (Community Member)

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