The following video shows you how to adjust the flow temp. Increasing the flow temp also turns off summer mode (umbrella / parasol symbol
To adjust the flow temp
Newer Ecotecs with 4 rectangle buttons and no dials
- Press the top right button shown under the radiator symbol.
- Adjust the temperature using the ‘+’ and ‘-‘
- Press button under ‘OK’ ie top right
- Press ‘back’ once to get to home screen.
If you are unable to adjust the flow temperature or the parasol symbol remains, then you may have a faulty boiler / pcb, that will require a engineer visit to resolve.