User manual

device cannot be reset! In this case, the encoding is

active using a system security key that differs from the

key delivered with the system. In order to reset the

device, you must use the conguration software of the

center for resetting! The procedure is described in the

center software instructions. (This error can occur only

if you have a center and have taught the device for

this center.)

8 Maintenance and cleaning

This product is maintenance-free besides possibly

requiring a battery change. Maintenance or repairs are

only to be done by trained professionals. Clean the

products using a soft, clean, dry and lint-free cloth. To

remove heavier contamination, make cloth damp with

lukewarm water. Cleaning agents that contain solvents

are not to be used because they can harm the plastic

housing and the labels.