Adding remote controls requires specific reprogramming, you will find below the complete procedure:

   

 Remote control learning:


  1. Press and hold the learn button on the alarm unit for 3-5 seconds until the indicator light (LED) lights up.
  2. Press the Arming button on the first remote control. The alarm status light (LED) on the alarm unit goes off.
  3. If you wish to pair an additional remote control, press the Arming button on the second remote control, the status light (LED) will come back on.
  4. Press the learning button on the alarm unit to validate the operation and exit the learning mode.