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Forum Discussion
chereszabor
Aug 12, 2019Aspirant
RNDU4000 will not boot
Hi Everyone, I am having issues booting my RNDU4000 after a few years of it sitting on the shelf (without power). The symptoms: After plugging power cable: short press powers on the unit, Fan ...
chereszabor
Aug 12, 2019Aspirant
Thanks SpephenB,
I tried using a different PSU with no change in symptoms. I also tried reseating and replacing the ram also without change.
Sandshark
Aug 12, 2019Sensei
Try removing the battery, and just leave it removed. The date will come up wrong until it syncs with the NIST server (assuming it gets that far), but the rest should come up as defaults. I know of no specific reason this should work, but another user reported it working on a Pro6. AFAIK, the battery only backs up the clock.
- StephenBAug 12, 2019Guru - Experienced User
Sandshark wrote:
Try removing the battery, and just leave it removed.
Worth a try, and if it works please do let us know.
Sandshark wrote:
AFAIK, the battery only backs up the clock.
That's my understanding also. So if you use the power schedule feature, it would misbehave if the NAS lost power when it was off.
- chereszaborAug 12, 2019Aspirant
I removed the battery for ~30min, put it back together and still have the same symptoms.
I did notice that there is a 4-pin header at the back of the unit, would anyone know how to use it?
Any other ideas?
- SandsharkAug 13, 2019Sensei
It's a 5V pseudo-RS-232 port. Pin-out varies from NAS to NAS, but you can get some clues by Googling ReadyNAS serial port.
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