tim hunt Posted July 14, 2020 Report Share Posted July 14, 2020 This is probably old hat to most but I had not come across before. The fuse depicted looked fine to me and I was looking elsewhere in a circuit for the break. As an afterthought I eventually tested the fuse and found it open circuit. It appears this type of fuse can fail where the central element is soldered and of course this blow cannot be seen. Tim Quote Link to post Share on other sites
RobH Posted July 14, 2020 Report Share Posted July 14, 2020 Probably just a fatigue failure of the joint due to old age. Too many thermal cycles. It can happen with any type of fuse, not just these ones. Quote Link to post Share on other sites
BRENDA1 Posted July 14, 2020 Report Share Posted July 14, 2020 I had the same on my 4a, one of the end caps comes of the fuse link. Mike Redrose Group Quote Link to post Share on other sites
ChrisR-4A Posted July 14, 2020 Report Share Posted July 14, 2020 There are some very cheap and poor quality fuses around of the old glass type, a search on the forum should show where to get the good ones. They are 3 or 4 times dearer than the cheapest but have the correct rating. Chris Quote Link to post Share on other sites
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