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Forum Discussion
RN4220 Red Error light on
Hi, suddently in my readynas RN4220 Red LED notification is always ON, i could not find the reason why the RED notification light is on. I have checked in the system console for any errors, logs and everything looks fine. All my redundant power supply is connected, using X raid, all the HDDs are green. Is there any way to find the issue behind the Red LED indication?
Thanks.
2 Replies
Please see ReadyNAS 3220/4220: Red Health LED is always on
This could be caused by a connected UPS running its self-test.Thank You. I will check and update.
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