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原帖由: Brook McEachern ,

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I will chime in here with my experiences, in case they’re useful for anyone else:

* I also have the Wahl 9818L, ie. “Wahl Lithium Ion+ Stainless Steel Trimmer”, with the hidden screw as shown and described above
* I also began experiencing the “flickering blue light” / refuses-to-charge issue after a year or two of use
* I ordered some replacement DC-003 sockets off of the internet, as suggested above
* desoldering the original socket and soldering in a new one resolved the issue
* after about another year, I accidentally dropped the trimmer and the issue returned
* I still had some spare replacement DC-003 sockets, and soldering in another new one resolved the issue again

Thanks to all the contributors above for sharing their tips — I’m glad to be able to keep the trimmer in use for only the cost of a few cheap DC-003 replacement sockets!

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