> 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/rheavendors/ec.md).

# eC

To connect your Rheavendors eC coffee machine to the SmVend controller using the MDB interface, follow these steps:

1. **Enter programming mode**

   Press the button on the back side of the door and then press the `1` button to enter programming mode.
2. **Navigate menu**\
   Use buttons `1` and `6` to switch menu items.\
   Use buttons `2` and `3` to switch menu sub-items.\
   Use buttons `4` and `5` to set the parameter.
3. **Configure machine's settings**

   `PROGRAMMING -> ID. MACHINE -> DataAudit -> 01`

   `PROGRAMMING -> MISCELLANEOUS -> coin-mech type -> MDB`
4. **Set prices**

   Set all prices in the `PROGRAMMING -> PRICES` section to be different from zero.
5. **Exit programming mode**

   Switch the menu item again (for example, with the `1` button) and then press the button on the back side of the door to exit programming mode. 

| Programming button                                                  | Navigation                                                          |
| ------------------------------------------------------------------- | ------------------------------------------------------------------- |
| <img src="/files/Jbgs8RT7bChBRyipViEO" alt="" data-size="original"> | <img src="/files/ubhXNVawOqgAjl816EXs" alt="" data-size="original"> |

### eC connection view&#x20;

| <img src="/files/4zXUW9uXCsNNIHAoa33F" alt="" data-size="original"> | <img src="/files/kjCiKDfhQLcZW3v62uLb" alt="" data-size="original"> |
| ------------------------------------------------------------------- | ------------------------------------------------------------------- |