HCC/S 2.x.x.1: Which state has got the controller without a valid supply flow temperature?

If the controller does not receive a valid supply flow temperature after a download, bus voltage recovery or reset, it is in an undefined state. The requirements for switching between heating and cooling and also for control On/Off getting lost.

This condition will be maintained until a valid supply flow temperature is received.

Tags: ClimaECO, HVAC, KNX