526.11 Error codes (exclamation mark in app)If there is any error in the Smart Home system which relates to the devices performance or functionality then the Smart Home app will inform user aboutit by a red exclamation mark in the upper menu. Please look at the example below:Errors are visible also on the thermostat’s LCD display.ERR 01-03 (Floor Sensor Defect) means that external sensor which is set asfloor sensor hasn’t been found or it has been damaged.When problem has been solved (sensor change or re-connection in this case) -exclamation mark will disappear in application and thermostat will stop flashing error.Full list of errors is in chapter 11.1 2Press the exclamation mark button. All current errors are displayed.