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Author Topic: Z9 mini hashboard shorted and caught fire  (Read 117 times)
BitMiner247 (OP)
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June 25, 2019, 07:45:50 PM
Last edit: June 25, 2019, 09:28:20 PM by BitMiner247
 #1

Earlier I noticed one of my miners, a Z9 mini, had dropped so I headed over to my mine to check it out. When I got there I noticed the miner was completely off, no lights, but the PSU fan was still spinning. I figured it was probably just a bad PSU so I went ahead and replaced it with a spare and set everything back up again to test. As soon as I plugged it back in, flames, sparks and smoke started shooting out the back of miner. It looked exactly like someone had lit a sparkler. I was able to unplug it quickly enough before it got any worse or anything else got damaged.

I’ve always been a little paranoid about a fire happening at my mine and this kinda shook me a bit. Not too long ago I bought these exploding automatic fire extinguisher balls and mounted them around my mine as a last resort incase a fire ever did break out. Im lucky it happened while I was there to quickly respond to it, otherwise I can imagine how things could’ve gotten out of control.

I’m not sure what caused the short but I’m guessing it might have shorted out originally and when I replaced the power supply and powered it up again it started to spark and burn.

I took some pics of the damaged board. I lost 2 boards in all.

https://imgur.com/gallery/8U7pnln

I did some googling and found one other case of this happening. Looks like it also shorted in the same location on the board as mine did.

https://thebitcoin.pub/t/z9-mini-burst-into-flames-fake-bitmain-warranty-poorly-built-hashboards/48430

Anyone know of any other cases where this has happened? It has me a bit worried about my other Z9 mini's and whether there is a defect in the board design itself.

lunobird
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June 25, 2019, 07:52:01 PM
 #2

wow thats crazy.

Totally not worth burning down your place just to try to break even with electric and all about supporting the network mentality. Screw that i'm in it for the cash and if it ain't producing I won't risk burning down my house over it.

I gave up asic mining at home due to the dangers, high electric cost and its easy to just send off to a colo facility.


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