See also:

Maintenance and repair
Advanced technology, e.g. the use of modern materials and powerful electronics, requires specially adapted maintenance and repair methods. You should therefore have the corresponding work on your ...

Date
Setting the date 1. "Settings" 2. "Time/Date" 3. "Date:" 4. Turn the controller until the desired day is displayed. 5. Press the controller. 6. Make the necessary ...

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. If this occur ...