Question about HomeMatic KeyMatic

Installation is done in a few simple steps. No drilling, no power cable and no special tools are required. KeyMatic can be used on any door with a standard locking cylinder with emergency and danger function. Only in exceptional cases is it necessary to replace the existing locking cylinder in order to be able to attach the mounting plate. Simply attach the mounting plate to the protruding cylinder lock, attach the drive and screw it in place - that's all.

Unfortunately, I cannot answer at this point whether the plate needs to be changed on your door. As a rule, however, it should not be necessary,