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3VDUAL
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Replacement PSU spec for ReadyNASRNDP6310 ("3VDUAL power is out of normal range...")
We've just started getting the message "3VDUAL power is out of normal range [expected: 3.30 current: 3.10]." on our ReadyNAS Pro Business Edition (ReadyNASRNDP6310). All other health indicators - including all the temperature indicators - appear to be fine. There are three fans on the unit: one at the side (running); one large one at the back, top (running); and a smaller one at the back, lower down, probably PSU, which is not running. The two fans listed on the health status page are showing a decent RPM, so I assume that the PSU one is not monitored. Searching the forums for this message suggest conflicting answers about what it means; but combined with the fan not going suggests we should replace the PSU. Is it possible to get the specification we need for a replacement PSU for this model? Many thanks,3.9KViews0likes5Comments
3VDUAL power is out of normal range [Expected 3.30 current 3.10]
This is a posting for information only, with information I could not find in other postings. I replaced the PSU in my ReadyNAS Pro Pioneer when the unit started failing to restart after being shut down - but would eventually come on, apparently after warming up. The replacement unit was a Seasonic SS-300SFD as mentioned in other posts, which I sourced from Scan Computers in the UK. The replacement unit had slightly different connectors. Yes, the main 24-pin ATX connector cable was too short, as mentioned in other posts, so I needed an extension cable (30 cm for me). There were two sets of power connectors with two Molex 4-pin plugs each, and a further single power connector with two 5-connector plugs. There are 3 female Molex connectors in the ReadyNAS requiring power (with 2 drives connected to each). When I used two 4-pin plugs from one power line to power the disk drives in the ReadyNAS, I got floods of the message about power being out of range - i.e. one power line was being used for 4 drives (since internally in the ReadyNAS each connector goes to 2 drives). When I rewired the 5-connector line to a 4-connector plug (dropping the orange 3.3V wire), and used that as the third 4-pin plug, it worked fine. (There is also a 4-pin square 12V ATX power connector - no need to adjust that.) I hope this information might help others needing to do something similar to their units.