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ReadyNAS nv+ won't power up after outage. Power Supply Problems?
Hello My ReadyNAS NV+ (Product: ReadyNASRND4000, Serial Number: 23J3027700C11) was originally purchased in November 2010. In June 2016 I had a problem with the power supply: The NAS wouldn't start u...
Yup. You can test that it turns on the supply with it disconnected before you do it with it connected. You'll know the supply came on because the fan will run.
If it works, you likely won't want to leave it that way, but it's a way to get the data off the NAS.
Okay, I opened the case and tested the power supply, and all voltages are in line with the specs. So it looks like it's not the PSU after all.
I removed the top cover (exposing the memory slot) and sniffed and there is a slight burned smell. So I suppose some other component could be bad. But it seems odd that the unit did started up and stayed on line long enough to complete a re-synch.
I'm open to any suggestions.
Lestrad wrote:
Okay, I opened the case and tested the power supply, and all voltages are in line with the specs.
Did you test it under load?
Thanks for your answer.
<<Did you test it under load?>>
Uh, no. How do I do that? All I have is a cheap multimeter. I pulled the mainboard connector, jumped pins 14 and 15, and tested each pin as per the pinout diagram.
Lestrad wrote:<<Did you test it under load?>>
Uh, no.
The net is - you can tell if a supply is bad if you test it with no load, but you can't be certain it is good.
I haven't done a load test, but I think one way is to get a 24 pin splitter cable (https://www.amazon.com/Splitter-Hamkot-Adapter-Motherboard-Extension/dp/B074DQJY8K ). That would let you use the NAS as the load, and test the voltages using the meter on the unused half of the splitter.
Thanks!
The only problem is that the NAS won't start up at all - the fan doesn't even come on. So it's not pulling any load.
I'm willing to go to some lengths to make sure it isn't the PSU. The only way I can see is either to try in a NAS that is known to work or else buy a new PSU and try it, and if it doesn't work send it back.
Any suggestions are welcome.
PS Just to clear up one point: Why a 24-pin splitter cable? The NAS uses a 20-pin connector.
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