this post was submitted on 15 Jun 2024
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AusRenovation
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The cylinder is called a starter, if you google for "halogen lamp starter" you'll find those. Essentially they charge up and then release a spark that ignites the gas inside the actual bulb. They are very inexpensive, so I'd start from there. Doesn't hurt to have a spare anyway.
If you unscrew it, the correct wattage should be written on the bottom between the prongs, just make sure you get one with the same rating so it works with your bulb. Feel free to post a picture of it and I can help search for one.
The prongs itself should be standardized, but the length of the starter may vary, so check if you can still close the lamp.
Ah thanks! Frustratingly, Bunnings closes early on Saturdays, so I'll have to wait until tomorrow to actually go out and buy anything.
I think the last time it failed I bought a pack of two starters, and I managed to track down what I think is the second one that came with that (otherwise, it's the old old starter that I never threw away...) and put that in. It doesn't seem to have helped. I also noticed, which doesn't come across well in the posted photo, parts of the bulb are noticeably dark. Is that a good sign it might be burnt out?
Yeah the dark patches on the tube are a sign that it's failed. If you get a replacement tube it would be worth trying it with the original starter (swap them back) to see if it still works.