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  • Digital multimeter

  • Metric Allen Keys

  • Small Flat Blade Screw Driver

Reseat the

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Connectors on the

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ECM Board and Motors

Reason: Control signals aren't reaching the electronic driver modules/servo motors.

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  1. Continue to the next troubleshooting topic.

Inspect the DC

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Power Supply

Reason: The DC-BUS or DC power supply is malfunctioning.

  1. Inspect the DC-BUS for power by determining if the green power light is illuminated.

    1. If it does: The motors or stepper driver controllers will be illuminated.

    2. If it doesn’t: Continue to the next step.

  2. Power off the machine.

  3. Measure the resistance across the F6 fuse with digital multimeter set to resistance.

    1. Replace the fuse if the digital multimeter reads OL, shows a resistance in the MΩ, and/or doesn’t produce continuity tone.

      image-20240108-222001.png

    2. If the fuse measures 0-5 Ω, reinstall it into the DC-BUS.

  4. Power on the machine and measure the Vac entering the DC-BUS on:

    1. 200 (J2)

    2. 201 (J1)

      image-20240108-222108.png

  5. Continue to the next troubleshooting topic.

Inspect the XMF1

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Transformer

Reason: The fuse(s) have blown.

  1. Power off the machine.

  2. Remove and measure the resistance across the F1 then F2 fuses with digital multimeter set to resistance.

    1. Replace the fuses if the digital multimeter reads OL, shows a resistance in the MΩ, and/or doesn’t produce continuity tone.

    2. If the fuses measures 0-5 Ω reinstall them.

      image-20240108-222200.png

  3. Continue to the next troubleshooting topic.

Check the K1

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Contactor

Reason: The K1 is defective.

  1. Power on the machine and take it out of reset.

  2. Inspect the K1 for an illuminated red LED that indicates it has power.

    1. If the light is on: The K1 is latched. Using a digital multimeter set to Vac, measure for 220 Vac between:

      1. 114N

      2. 115

    2. If the light is not on: Continue to the next step.

      image-20240108-222418.png

  3. Press and hold the Reset button on the operator box and observe the K1 LED. Then release the Reset button and observe the K1 LED.

    1. If the light only stays on when the button is pressed: There is a loose coil wire, short, or the K1 has malfunctioned.

    2. If the light never comes on: Go back to the previous troubleshooting topics to ensure your machine is receiving power. See Machine Won't Power On - 1100MX