We are sorry to hear that.
Please go to our "Troubleshooting page" and also refer to the "Owner's Manual" to see if you can troubleshoot and fix common issues encountered by TruSens users.
If you think the problem cannot be solved through basic troubleshooting, please get in contact with TruSens support. Kindly contact the TruSens Support on their facebook page: www.facebook.com/TruSensPH, or you may also try to contact us at customerservice@airpurifiers.ph and we can try to assist you with your problem.