Valliant - no hot water without heating using ebus

Hi ,

I've had a Tado installed with wireless extender following the Tado Valliant ebus settings. As its hotter the central heating has been configured not to turn on. Since then I have noticed that the hot water doesn't seem to be working unless the heating is also working.

Could you help me figure out what is causing this? I have a main boiler (Valliant) and separate a hot water cylinder.

If I reprogram the wireless thermostat the hot water turns on until schedule ends and does not start again on the next schedule window.

Thank you in advance,


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