On 9/24/2020 10:01 AM, David Zomaya wrote:> Not a whole lot to do in the field for a legitimate USB not responding issue other than verify cabling and give a power cycle and/or discharge reset a try (which, given the nature of a UPS isn't always something you can easily do of course). > > If it looks like a problem with USB being completely dead, as opposed to just the "drops" issue we started with, I definitely recommend contacting support. > >So I rebooted the host no luck. Then I tried power cycling the UPS. Wow still not there. Something is really wrong. Cycling through the display on the UPS doesn't seem to show any errors.
> So I rebooted the host no luck. Then I tried power cycling the UPS. Wow > still not there. Something is really wrong. > > Cycling through the display on the UPS doesn't seem to show any errors.Low-hanging fruit question you probably already ruled out: is the USB cable good? Beyond that, if USB communication on the UPS is completely dead, I'd say definitely contact support. If an RMA is needed, they can help (assuming you are US/Canada based, if not they can direct you to the right place). ________________________________ This message is for the addressee's use only. It may contain confidential information. If you receive this message in error, please delete it and notify the sender. Tripp Lite disclaims all warranties and liabilities, and assumes no responsibility for viruses which may infect an email sent to you from Tripp Lite and which damage your electronic systems or information. It is your responsibility to maintain virus detection systems to prevent damage to your electronic systems and information.
On 9/24/2020 10:58 AM, David Zomaya wrote:>> So I rebooted the host no luck. Then I tried power cycling the UPS. Wow >> still not there. Something is really wrong. >> >> Cycling through the display on the UPS doesn't seem to show any errors. > Low-hanging fruit question you probably already ruled out: is the USB cable good? > Beyond that, if USB communication on the UPS is completely dead, I'd say definitely contact support. If an RMA is needed, they can help (assuming you are US/Canada based, if not they can direct you to the right place). >Found a spare USB-B to A cable. No luck. No connection at all from the host. Damn it. I guess it's time to call Tripplite.
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