Testing Keys - Siemens CKA4820 V2 Benutzerhandbuch

Service and maintenance
19.4

Testing keys

82
Siemens Building Technologies
Fire Safety & Security Products
If the keys are not working properly, proceed as follows:
1. Select Maintenance assistance in the Parameter menu. See Section 10.2:
Menu structure, Fig. 30.
2. Move the selection arrow in the second line of the LCD to Key test Execute
using the joystick.
Testing is started.
3. Press the key you want to test.
If the name of the key is displayed in the LCD, then the key is working.
If the name of the key is not displayed, please contact your local Siemens
representative or the shop where you purchased the product.
03.2009