153. The Insensitivity Of Remote Control (The Functional Distance Is Less Than 3m.)Please replace the batteries. If the problem is still not solved, please contact us to replace remote control and infraredray receiver.1 2Abnormal Operation: The TV Mount Can't Be Adjusted To 0° Or 75°Please reset the system by following the instruction manual. If the problem is still not solved, please contact us toreplace the product.1Can't Operate2Please check if the power adaptor is properly connected to the product. If so, please turn the power on. If there is nobuzzer sound or red light power indication, please check if the power adaptor works properly. If the power adaptordoesn't work please contact us to replace the power adaptor. If the power adaptor works properly, but the TV mountdoesn't work, please contact us to replace the product.2Abnormal NoisePlease contact us to replace the product.1 2INSTALLATION MANUALRemote Control Motorized TV Ceiling MountTVCM5830BK200x200300x300400x200400x400& CAUTION: DO NOT EXCEEDRATED LISTED WEIGHT. SERIOUSINJURY OR PROPERTY DAMAGEMAY OCCUR!