> For the complete documentation index, see [llms.txt](https://help.smvend.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.smvend.io/equipment-installation/coffee-machines/dr.coffee/coffee-zone-coffee-express.md).

# Coffee Zone / Coffee Express

### How to connect Mini controller

1. **Preparation**\
   Disconnect the machine from the power supply and remove the back cover of the coffee machine. This will provide access to the internal components for connecting the controller.
2. **Disconnect the Display cable**\
   Disconnect the cable from the coffee machine's board that goes to the display.

<figure><img src="/files/Cv2epj62L9sX1NDZVWD1" alt=""><figcaption></figcaption></figure>

3. **Connect the Display cable to the controller**\
   Connect the disconnected cable to the 7-pin connector on the controller.

<figure><img src="/files/rPZtQXvn5vT4QGYt7tQB" alt="" width="563"><figcaption></figcaption></figure>

4. **Connect the Supplied Cable**\
   In place of the disconnected cable connect the cable supplied with the controller to the coffee machine's board. Connect the other end of this cable to the 8-pin connector on the controller.

<figure><img src="/files/jaIBVYMhEloxkUgyi6rQ" alt="" width="563"><figcaption></figcaption></figure>

### How to connect Smart controller

1. **Preparation**\
   Disconnect the machine from the power supply and remove the back cover of the coffee machine. This will provide access to the internal components for connecting the controller.
2. **Disconnect the Display Cable**\
   Disconnect the cable from the coffee machine's board that goes to the display.

<figure><img src="/files/WJXg6CAjkvByvryscWKx" alt=""><figcaption></figcaption></figure>

3. **Connect the Supplied Cable and the Display Cable**\
   In place of the disconnected cable connect the cable supplied with the controller to the coffee machine's board. Connect the other end of the supplied cable to the display cable.

<figure><img src="/files/Pw4wjg8zy7ynunmB4cr7" alt="" width="375"><figcaption></figcaption></figure>

4. **Connect the Power Supply**\
   Connect the power supply plug of the supplied cable to the socket marked +24V in the image from step 2. Connect the remaining end of the supplied cable to the Smart Connector controller.