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CO2 Pressure Not Detected, High or Low (CT 1.5 Install Dx)

Updated

Required Tools & Parts

  • #2 Phillips screwdriver.

Troubleshooting Steps

Task 1: Repeat the Diagnostic Test

  1. If the test fails, you can first attempt to 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.
    • Navigate back through the installation steps to the Install Diagnostic step and repeat the test.
    • 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.

CT 1.5 cc power off compact chiller switch unplug plug.png

Task 3: Remove the chiller from the cabinet.

  1. Carefully lift the front of the chiller so the locating tabs on the bottom can come up and out of the ventilation holes.

CT 1.5 compact chiller pull out remove slide cabinet.png

  1. Slide the chiller forward so the front hangs over the edge of the cabinet.
  2. Remove the red locking clip and disconnect the 3/8” water supply line from the back of the chiller.
    • This step may not be necessary if there is enough slack on the water line to fully remove the chiller without putting tension on the tubing.

CT 1.5 connections back water in disconnected tube cc compact chiller.png

  1. Lifting from the front and the rear grab handle, carefully lift the chiller out of the cabinet and place on the floor.

on floor sitting outside cabinet pulled out CT 1.5 compact chiller.png

CO2 Low Pressure Switch Not Detected

Task 4: Remove the PCB panel.

  1. Using a #2 Phillips screwdriver, loosen the screw securing the PCB panel on the left side of the chiller.
  2. With the screw fully loosened, lift the panel to release the lower locating tab and remove.
  3. Place the panel to the side.

pcb side panel remove compact chiller ct 1.5.png

Task 5: Check the Low Pressure CO2 switch connection.

  1. Locate the Low Pressure CO2 switch cable on the BUC board.
  2. Inspect the pressure switch cable.
    • Confirm that the cable is properly connected to the BUC Board. .
    • Inspect the wires and connector for any visible damage or loose pins.
      • If there is any damage to the cable or connector, please contact Bevi Support at 866-704-2384.
  3. Gently disconnect, and reconnect the CO2 Low Pressure Switch cable.
    • There is a lock latch on the connector that needs to be depressed to disconnect the cable.
    • When reconnecting, ensure the connector is fully seated and clicks into place.

CO2 High Pressure Switch Not Detected

Task 6: Remove the CO2 panel.

  1. Using a #2 Phillips screwdriver, loosen the two screws securing the CO2 panel to the top of the chiller.
  2. With the screws fully loosened, lift the front of the panel up, and slide forward to release the rear locating tabs.
  3. Place the panel to the side.

Task 7: Remove the PCB panel.

  1. Using a #2 Phillips screwdriver, loosen the screw securing the PCB panel on the left side of the chiller.
  2. With the screw fully loosened, lift the panel to release the lower locating tab and remove.
  3. Place the panel to the side.

pcb side panel remove compact chiller ct 1.5.png

Task 8: Check the CO2 panel switch connections.

  1. The High Pressure CO2 Switch has 2 connections.
    • The High Pressure switch first connects from the CO2 Regulator assemble to the top of the chiller in the CO2 Panel.

  1. Inspect the pressure switch cable.
    • Confirm that the cable is properly connected.
    • Inspect the wires and connector for any visible damage or loose pins.
      • If there is any damage to the cable or connector, please contact Bevi Support at 866-704-2384.
  2. Gently disconnect, and reconnect the cable.
    • There is a lock latch on the connector that needs to be depressed to disconnect the cable.
    • When reconnecting, ensure the connector is fully seated and clicks into place.

  1. Locate the High Pressure CO2 switch connection at the BUC board.
  2. Inspect the pressure switch cable.
    • Confirm that the cable is properly connected.
    • Inspect the wires and connector for any visible damage or loose pins.
      • If there is any damage to the cable or connector, please contact Bevi Support at 866-704-2384.

  1. Gently disconnect, and reconnect the cable.
    • There is a lock latch on the connector that needs to be depressed to disconnect the cable.
    •  
    • When reconnecting, ensure the connector is fully seated and clicks into place.

Task 9: Reinstall the Chiller.

  1. Reinstall the CO2 and PCB panels.
    • Take care not to pinch any wiring in the panels.
    • Ensure the locating tabs slot into place
    • Tighten the screws to secure the panel.
  2. Reconnect the chiller power cord.
  3. Carefully lift the chiller into place in the cabinet.
    • Ensure the locating tabs on the bottom of the chiller fit into the ventilation holes and the chiller sits flush on the base of the cabinet.
  4. If it was disconnected during removal, reconnect the 3/8” water supply tube.
    • Ensure the tubing is fully seated into the push to connect fitting.
    • Reinstall the red locking clip.
  5. Power on the chiller.

Task 10: Repeat the Diagnostic Test

  1. Proceed through the Installation Wizard back to the Diagnostic Test.
  2. If the test passes:
    • Reinstall the CO2 and PCB panels.
    • Continue with Installation.
  3. If the test continues to fail, please contact Bevi Support at 866-704-2384 (BEVI).