Replaced Remote fits for SANSUI Smart LED TV ES32S1N S32P28N S40P28FN S43P28F S43P28F S43P28FN S55A6U, it also works for Caixun TV EC32S2N Trouble Shooting: 1.No response or does not work: 1)Solution:please try to Install 2pcs new AAA alkaline batteries after you receive the remote control. 2)Please make sure your TV model number in the list. 3)Please make sure there is no block in front the remote control and TV. The control range is 10 meters, 30 degrees to 0 degrees. 2.After all If the remote still does not work or response to your TVs Solution: please help to try the following trouble shooting steps: 1)Remove the batteries from the remote. 2)Press every button on the remote at least 3-5 second time to drain any residual power. This also helps to check for stuck buttons. 3) kindly please help to check whether the IR sensor area of your TVs is clean, sometimes the dust will effect the IR sensor connection. 4) kindly please make sure nothing is blocking on the front of your TVs, make sure it does not have any barriers between your TV and remote; please point the remote control toward the remote control sensor on the TVs. 5) Insert 2pcs new AAA alkaline batteries into the remote, please do not use AA batteries, please do not use rechargeable batteries. Make sure the batteries are correctly installed with the positive and negative ends in the right direction. The correct battery installed way is + to - ; - to + polarity. If install opposite, the remote should not work. 6) Unplug the power supply of your TVs and then plug it back to restart it. Then try the remote again.