1) In case of failure, please contact the distributor or manufacturer.
2) If the Control Unit works, while the remote control and other sensors fail, please check and change the battery or match the sensors to the alarm again.
3) If the remote control works, but the ,Control Unit fails to send SMS texts, switch the power of Control Unit off and switch it on after one minute. Test this system after another minute, or check the settings are correct and the GSM Signals are strong enough.
4) If the Control Unit can run and sensors work, but cannot send SMS texts, please change SIM Card to check it.
5) If the problem cannot be solved, please contact the distributor or manufacturer.