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Background

This page will walk you through troubleshooting your ATC communication failure.

Tools

  • Multimeter

Table of Contents

Check the communication cable to controller

Reason: There may not be a secure connection on the communication cable.

  1. All machines with an ATC will communicate through a USB to USB-B cable.

2. Reseat this cable on both ends and check to see if your ATC tab does not disappear on your PathPilot screen after 30 seconds. If the ATC tab does disappear, try replacing this cable and and rechecking for the ATC tabs appearance.

Check for voltage to the ATC Board

Reason: ATC board may not be getting voltage causing check fuses and cabling error.

 M style ATC

1. Inspect your ATC board for LED lights that are illuminated. If you have no lights at all, move to the step

2. If you have lights on your board but still no communication, ensure all wires are properly seated and secured in the terminals on the ATC board itself and try and reseat the connector

3. Check for 68V DC across wires 204 and 205 at the ATC control board.

4. If you do not have +68V DC across wires 204 and 205, move to the DC bus board in the electrical cabinet and check the F8 fuse for continuity. If you do not have continuity, replace the fuse Note: This value should be close to zero and absolutely no more than 5 ohms.

5. If you have +68V DC but no lights on your ATC board, please contact Tormach Tech Support.

 Legacy ATC (Older PCNC’s)

  1. Your ATC board should show the following LED’s lit if it has +68V DC at wires 503 and 504 at the ATC control board and is successfully talking to PathPilot.

2. If you have +68V DC at 503 and 504 at the ATC control board but no lights on the board, contact Tormach Tech Support.

3. If you do not have +68V DC across wires 503 and 504, move to the DC bus board in the electrical cabinet and check the F8 fuse for continuity. If you do not have continuity, replace the fuse Note: This value should be close to zero and absolutely no more than 5 ohms.

4. If the ATC won’t communicate and the ATC tab goes away but the Power Drawbar does open/close and the status page shows when the USB is removed and replaced then inspect the RJ11 (DB3) cable for damage. Reseating and/or replacing this cable may be necessary as it may have became damaged or have an intermitted short.

5. If you continue to experience the check fuses and cabling error, contact Tormach Tech Support.

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