skyteam78 Posted June 26, 2020 Share Posted June 26, 2020 Hi all, I recently upgraded my pc and have a strange issue with two Corsair LL120 fans. I must to say that on previous build they worked fine. The issue is that only one of 2 is lighting. I have in total 6 RGB fans so I disconnected all and left only these two. They are connected to RGB hub to ports 1 and 2. When 1st fan is connected to port 1 and 2nd to port 2. Second is not lighing. When 2nd connected to port 1 and 1st to port 2. First is not lighting. what can be issue? Thanks Link to comment Share on other sites More sharing options...
skyteam78 Posted June 26, 2020 Author Share Posted June 26, 2020 (edited) I also noticed that two of these fans are partly lighted (not all leds can be illuminated) when each one is working separately. Here you can see that middle leds are all working https://imgur.com/UVPqJ57 All selected leds shown are not working https://imgur.com/QVeDPHb https://imgur.com/UdZUQNA Edited June 26, 2020 by skyteam78 Link to comment Share on other sites More sharing options...
c-attack Posted June 26, 2020 Share Posted June 26, 2020 It’s a chain operation, so if you have an issue on fan #3, the lighting will stop there. Your “#2 fan” above appears to have a problem. Try putting it last in the chain at #6, then contact Corsair Support to see about a replacement. Link to comment Share on other sites More sharing options...
skyteam78 Posted June 26, 2020 Author Share Posted June 26, 2020 It looks like I have the same "chain issue" with both of them. Link to comment Share on other sites More sharing options...
c-attack Posted June 26, 2020 Share Posted June 26, 2020 The hub is part of the series as well. When you connect all 6 back up, that should indicate if there is a problem there (like at port 2). Link to comment Share on other sites More sharing options...
skyteam78 Posted June 26, 2020 Author Share Posted June 26, 2020 The hub is part of the series as well. When you connect all 6 back up, that should indicate if there is a problem there (like at port 2). The hub is working correctly. There is no issue then connecting other 4 fans to ports 1- 4. Link to comment Share on other sites More sharing options...
skyteam78 Posted July 9, 2020 Author Share Posted July 9, 2020 I contacted Corsair, RMA opened and both fans sent to Corsair. They are still under warranty. Thanks for help Link to comment Share on other sites More sharing options...
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