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I changed two controllers/transformers earlier for a friend. I was there to do six. I connected the first two and well, they blew up .

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[-] PeterLG@theblower.au 4 points 23 hours ago

@DiaDeLosMuertos @Dimand

The L and N are for Live and Neutral - the 240V end. The small black chip is a bridge rectifier with its big brown capacitor.

[-] DiaDeLosMuertos@aussie.zone 2 points 19 hours ago

Oh I hear you mate. The thing is that the unit was closed up with the markings for mains and output clearly marked on the casing. After reading TRK 's input, I think that the guts were placed the wrong way around.

Basically I connected the 240 to the DC output terminals.

I contacted my friend earlier to explain this. I admitted that it was my error even though I followed the markings on the casing.

She's ok about it and has thrown them all away.

[-] PeterLG@theblower.au 3 points 15 hours ago

@DiaDeLosMuertos

Bugger! I would never have considered opening the device to check the internal connection before hooking it up. Ouch. You had a word with the supplier?

[-] DiaDeLosMuertos@aussie.zone 1 points 9 hours ago

The lady that purchased them made a complaint straight away on Saturday morning. I messaged her yesterday to confess that it was possibly and partially my mistake. She said not to worry as she considers them a fire risk anyway. I asked her to keep them so I could have another look but she's thrown them in the bin. Off to Bunnings for her next.

this post was submitted on 21 Jun 2025
104 points (91.9% liked)

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