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Heating and Hot Water: Guide to Using Your Truma Diesel Combi 6E with CP+ Control Panel

Everything You Need to Know to Operate Your Heating and Hot Water System with Confidence.

If your heating & hot water controls look like the image below, these instructions are for you! Please note these instructions are for the diesel only model.

A finger pressing a button on a device AI-generated content may be incorrect.

Before You Begin

  • Ensure your diesel tank has at least ¼ remaining, as the system won’t run with low fuel.
  • Switch on your main motorhome control panel before using the CP+ panel.

Powering On the CP+ Control Panel

  • Press the rotary knob once to activate the screen.
  • The main menu will appear once the panel is on.

Activating Heating & Setting the Temperature

  • Turn the knob to highlight the “Room Temperature” option.
    A blue sign with a thermometer on it AI-generated content may be incorrect.
  • Press the knob to select it.
  • Adjust the temperature to your preference (e.g. 20°C).
  • Press again to confirm.
  • A flame symbol will appear and flash until the desired temperature is reached.
    A close up of a device AI-generated content may be incorrect.

Turning On Hot Water

  • Highlight the “Hot Water” option and press to select it.
    A sign with a temperature AI-generated content may be incorrect.
  • Choose from the following settings:
    • Eco (40°C)
    • Hot (60°C)
    • Boost (60°C with faster heating)

    When heating and hot water are both active, Boost will prioritise hot water.

  • Confirm your selection with a press.
  • Make sure there’s plenty of water in the boiler or hot water tank.

Setting Fan Speed

  • Select the “Fan” option on the control panel.
    A blue fan on a blue surface AI-generated content may be incorrect.
  • Choose either Eco or High, depending on your airflow needs.

Turning Off Heating and Hot Water

  • For heating:
    • Select the “Room Temperature” setting.
    • Turn to “OFF” and press to confirm.
  • For hot water:
    • Select the “Hot Water” setting.
    • Turn to “OFF” and press to confirm.

Shutting Down the Control Panel

  • From the home screen, press and hold the rotary knob.
  • The display will turn off and the panel will shut down.

Troubleshooting Tips

  • Control panel not powering on?
    • Make sure your leisure battery has at least 11.5V—start-up requires high voltage.
  • Heating not working?
    • Check that your diesel tank isn’t below the ¼ mark.
  • Error code showing?
    • Turn the knob to read the error message.
    • Try restarting the panel.
    • If the error persists, contact thl UK & Ireland.

Looking for more assistance?

Our dedicated On the Road Support (ORS) team is ready to help! Just click the link and choose the 'I require Technical Support' option. Fill out the form with as much detail as possible, and a member of our team will reach out to you.