Applies to:

140892 UHC 600 Replacing the Control

Kit number

140892

Estimated Time

1 hour

The Control needs to be replaced when there is Control failure determined by proper troubleshooting.

IMPORTANT! A software update is required after replacing the display. Please follow the Preparing USB (Software) instructions below. WARRANTY WILL NOT BE COVERED IF A SECOND TRIP IS REQUIRED TO UPDATE SOFTWARE.

Preparing USB (Software)

  1. If you are a Henny Penny service provider, access the Extranet to download the latest software for the UHC 600 cabinet.

  2. Obtain a blank USB drive. Note: Use a high quality, plastic, 16 gigabit (no larger), version 2.0, USB drive.

  3. Download the file. When download is completed, right click and select Extract All.

  4. On the left panel of the File Manager, select your USB drive which is attached to the computer. Your USB should have only one file displayed (for example, menu_20240214_110641.json). If so, you are ready to complete a software update.
    Note: If your computer saves the .json file in a folder on the USB drive, remove the .json file from the folder or failure can occur. Ensure all other files and folders are removed from the USB drive. Only the .json file should remain on the USB drive.

To avoid electrical shock or property damage, disconnect power before installing or servicing equipment.A qualified technician must perform the installation.

Replacing the Control

IMPORTANT! Check the positions of the dip switches on the back of the HMI before installing. Switches 1 & 2 should be up, 3 & 4 should be down, see image below.

  1. Turn the power switch off.

  2. Ensure unit is cool to the touch.

  3. Unplug from the power source.

  4. Using a cross tip bit, remove the four screws on the top of the cabinet and remove top cap.

  5. Front Control replacement only: Unplug the connections on the power supply board.

  6. Front Control replacement only: Using a 1/4 in. socket driver, remove the 4 nuts securing the power supply board, and then move the board to the side.

  7. Unplug all connectors from the Control.

  8. Using a small cross tip screwdriver, remove the 7 mounting screws.

  9. Press and squeeze in the two tabs holding the mounting plate onto the display. IMPORTANT! Hold onto the front of the display to keep it from falling.

  10. Remove Control.

  11. Working in reverse, complete steps 10 through 1 and return cabinet to operation.
    IMPORTANT! Follow the Setting Up New Control and Preparing USB (Software) steps after replacing the Control.

Setting Up New Control

  1. Turn power on. Note: A hidden setup screen is available from the display screen.

  2. Display Screen

  3. When the McDonald's display screen appears, press and hold the top right corner of the screen for 3 seconds or until the Hidden Setup screen displays.

    Hidden Setup Screen

  4. Select either Configure Primary User Interface when replacing the front display or Configure Secondary User Interface when replacing the rear display. The Control restarts. Note: If the wrong selection is pressed, you will need to begin with step 1 again and select the correct option. If prompted to enter code, enter 11221122.

  5. Once the Control is loaded, press the Settings button and scroll to verify time, date, serial number, and model. Note: To edit the information, select the Lock button in the bottom left corner and enter code 1122. Save before exiting.

  6. After setting up the Control, proceed with a software update. Use the software update video for more information.

  7. Once the software is updated, update the customer Daypart menus, if needed. Use the Daypart menu programming video for more information.