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Lost USB Connection to Head Unit Control Board (Initial & Final) - CT 2.0 IDx

Signature Countertop 2.0
Updated

Required Tools & Parts

  • Key or similar thin/flat tool
  • PN #112808-01 - CABLE - USB COMMS FROM HEAD UNIT CONTROL BOARD TO SBC-SOM (optional)
  • FRU PN #720-0370 - HEAD UNIT CONTROL BOARD (optional)
  • FRU PN #720-0371 - COMPUTER BOARD

Troubleshooting Steps

Task 1: Retest

  1. Restart the diagnostic tests to see if it passes on the second attempt.
  2. If the test continues to fail, power cycle the Bevi via the power switch on the front of the chiller.
    1. Navigate back through the installation steps to the Install Diagnostic step and repeat the test.
    2. If the test continues to fail, continue to Task 2.

Task 2: Power Off the Bevi.

  1. Power off the Bevi using the power switch on the front of the chiller.
  2. Disconnect the power cord from the back of the chiller.

Task 3: Remove the head unit shell.

  1. Power off the Bevi using the power switch on the front of the Compact Chiller.
  2. Release to top mounting clip for the head unit shell.
    1. Place both hands on the sides of head unit shell near the top.
    2. Using some force, twist the top of the shell to release the top clip.
  1. Inside the cabinet, locate the split nut on the threaded coupler at the base of the head unit and loosen it 2-3 turns.
    1. This will allow you to rotate the head unit for easier access to the back.

Task 4: Check for HUCB Heartbeat LED.

  1. Plug in the power cord and power on the the Bevi via the switch on the front of the Compact Chiller.
  2. Check and confirm that the Heartbeat LED is present on the HUC Board.
    1. The Heartbeat LED should be blinking GREEN/RED.
  3. If Heartbeat LED is present, continue to Task 5.
  4. If Heartbeat LED is not present, or is not blinking GREEN/RED, contact Bevi Support at 866-704-2384.
    1. Bevi Support will assist in confirming that the HUCB on the latest firmware version.
    2. If the firmware is out of date, Bevi Support will push a remote update.
      1. Once updated, restart the diagnostics test.
    3. If the test passes, continue with installation.
    4. If the HUCB is already on the latest firmware version, but there is still no Heartbeat LED, the HUCB may be faulty.
      1. FRU PN #720-0370 - HEAD UNIT CONTROL BOARD

Task 5: Inspect the USB-C cable at HUC Board.

  1. Power off the Compact Chiller and disconnect the power cable.
  2. Locate the USB-C connection on the HUC board.
  1. Inspect the cable and connector for any visible signs of damage.
  2. Ensure the cable is fully seated.
  3. If any damage to the cable or connector is found, please contact Bevi Support at 866-704-2384.
  1. Carefully disconnect the cable from the HUC board,
    1. Inspect the connector and cable for any damage or wear.
  2. Reconnect the USB-C end of the cable to the HUC Board.
    1. Ensure the cable is fully seated into the board side connector.

Task 6: Inspect the USB-A cable at SBC.

  1. Locate the right angle USB-A connection on the SBC board.
  1. Inspect the cable and connector for any visible signs of damage.
  2. Ensure the cable is fully seated.
  3. If any damage to the cable or connector is found, please contact Bevi Support at 866-704-2384.
  1. Carefully disconnect the USB-A end of the cable from the SBC.
    1. Inspect the connector and cable for any damage or wear.
  2. Reconnect the USB-A end of the cable to the SBC.
    1. Ensure the cable is fully seated into the board side connector.

Task 7: Retest

  1. Plug in the power cord and power on the Bevi via the switch on the front of the Compact Chiller.
  2. Navigate back to the Install Diagnostics screen.
  3. Restart the Install Diagnostics test.
    1. If the test passes, continue with installation.
      1. Reinstall the head unit shell, and retighten the split nut.
    2. If the test fails, either the USB cable, SBC, or HUC Board may be faulty.
      1. PN #112808-01 - CABLE - USB COMMS FROM HEAD UNIT CONTROL BOARD TO SBC-SOM (optional)
      2. FRU PN #720-0370 - HEAD UNIT CONTROL BOARD (optional)
      3. FRU PN #720-0371 - COMPUTER BOARD


If you need any further assistance, please contact Bevi Technical Support at support@bevi.co, or call our support line at 866-704-2384 (866-704-BEVI).