adrian88 Posted August 30 Share Posted August 30 Hi guys. Here is my solution to fix not working Shelly Plus Plug S. It worked for some time and suddenly it start to turn off from time to time and refuse to turn on finally. The problem is cold solder joint at a diode from the picture. Opening the plug is very easy. First unscrew a screw over the grounding hole, remove transparent plastic, unscrew 2 screws inside main power sockets. Now you can get whole pcb out. Set you solder temp. to the max, put some flux on big solder area/pad and touch it with you solder tip, wait few seconds till the tin melts and observe as a diode start moving a bit. Then move your solder tip to the other end/pad of the diode. Wait 2 secs and done. Quote Link to comment Share on other sites More sharing options...
Moderators terae Posted August 31 Moderators Share Posted August 31 I believe this is v1 not v2 Plus Plug, correct? The v2 has different case design. Needs to force things out, pushing from bottom...things are tightly together and you won't find screws you're looking for... Quote Link to comment Share on other sites More sharing options...
adrian88 Posted August 31 Author Share Posted August 31 (edited) @terae You are probably right. It's hard for me to identify my version. Below SN on the case I can find "02/20", manufacture date? I'm glad then it's V1, it's very easy to open :). If I can ask, please change the title of the post to make it clear it's for V1 solution. Edited August 31 by adrian88 Quote Link to comment Share on other sites More sharing options...
Moderators terae Posted August 31 Moderators Share Posted August 31 2 hours ago, adrian88 said: @terae You are probably right. It's hard for me to identify my version. Below SN on the case I can find "02/20", manufacture date? I'm glad then it's V1, it's very easy to open :). If I can ask, please change the title of the post to make it clear it's for V1 solution. Yep, week 20/2022. It's first version. The second version has v2 shown after name printed on case and was released about two years later. 1 Quote Link to comment Share on other sites More sharing options...
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