Press the light switch and turn it to the right
2. While holding the rotary handle in this position, pull the switch out of the switch housing by the handle (arrow 3).
Pull the light switch out of the housing
3. Disconnect the plug connection.
4. Installation: Connect the connectors.
5. Press the switch into the housing so that it fits into the groove. Then turn the switch to the left and release it.
6. Switch the switch sequentially to all positions and check the tight fit of the switch.