Switch the master ventilation unit (receiver) into teach-in mode. To do so, press the teach-in button on the master for 2 seconds. All 3 LEDs flash, teach-in mode is activated.
Press Ventilation level rocker switch 1x. The teach-in telegram is sent. Both buttons are now taught-in. Once teaching-in has been successfully completed, TEACH mode is exited.
Before putting on the front cover, the shutter must always be open. To do this, briefly switch on the master unit.
Fit front cover for internal housing on the master unit such that it locks into the safety catches.