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SRT8KXLI - Power Sys Error 00020

Discussion in Smart-UPS & Symmetra LX / RM started by Gerald , 11/1/2015 9:36 PM
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  • Egerry
    Gerald
    New Member
    New Member
    Gerald 11/1/2015 9:36 PM

    Dear Forum,

    for protecting IT equipment i use

    • one NEW SRT8KXLI
    • several Smart-UPS 2200 and 1500
    • diesel generator

    In case of power blackout the following happens

    • power from UPS battery
    • generator produces power (automatic)
    • switch from main power to generator power (automatic)
    • UPS no longer on battery

    In case the blackout is fixed

    • UPS on battery
    • switch from generator power to main power (automatic)
    • UPS no longer on battery

    Problem-description:

    After an major blackout our new SRT8KXLI reacts with an 00020 Error and turned the output power off 

    This error occurs after the blackout wos fixed which means -> after the automatic switching from generator power back to main power 

    No problems with the 2200 and 1500 UPS

    APC replaced the UPS

    For testing the new SRT8KXLI we simulated an blackout (use of generator), with exactly the same result -> Power Sys Error 00020 and backfeed relay fault exists, and again no issues with UPS 2200, 1500

    Here is the LOG:

    • interrupt main Power
      • 10/28/2015 03:00:29 Device UPS: On battery power in response to rapid change of input. 0x0109
      • 10/28/2015 03:00:29 Device UPS: Bypass not in range ; low voltage. 0x020F
      • 10/28/2015 03:00:29 Device UPS: Main input bad. 0x01B0
    • switch to generator power
      • 10/28/2015 03:00:50 Device UPS: No longer on battery power. 0x010A
      • 10/28/2015 03:00:50 Device UPS: Main input bad cleared. 0x01B1
      • 10/28/2015 03:00:49 Device UPS: An input voltage or frequency problem no longer prevents switching to bypass mode. 0x0210
    • 1h on generator power
      • 10/28/2015 03:48:45 Device UPS: An input voltage or frequency problem no longer prevents switching to bypass mode. 0x0210
      • 10/28/2015 03:48:45 Device UPS: Bypass not in range ; distorted waveform. 0x020F
      • 10/28/2015 03:21:40 Device UPS: An input voltage or frequency problem no longer prevents switching to bypass mode. 0x0210
      • 10/28/2015 03:21:40 Device UPS: Bypass not in range ; low voltage. 0x020F
      • 10/28/2015 03:01:36 Device UPS: An input voltage or frequency problem no longer prevents switching to bypass mode. 0x0210
      • 10/28/2015 03:01:35 Device UPS: Bypass not in range ; distorted waveform. 0x020F
    • interrupt generator power
      • 10/28/2015 04:00:49 Device UPS: Bypass not in range ; low voltage. 0x020F
      • 10/28/2015 04:00:49 Device UPS: Main input bad. 0x01B0
      • 10/28/2015 04:00:49 Device UPS: On battery power in response to rapid change of input. 0x0109
    • switch back to main power
      • 10/28/2015 04:00:51 Device UPS: A backfeed relay fault exists. 0x016B
      • 10/28/2015 04:00:51 Device UPS: The output power is turned off. 0x0114
      • 10/28/2015 04:00:51 Device UPS: The graceful shutdown period has ended. 0x014F
      • 10/28/2015 04:00:51 Device UPS: No longer on battery power. 0x010A

    I need to know under what circumstances the UPS produces and 00020 Error and why the smaller 2200 and 1500 UPS are not affected

    • undervoltage
    • overvoltage
    • ....

    Many thanks

  • voidstar
    voidstar
    Expert
    Expert
    voidstar 11/2/2015 5:09 AM (in response to Gerald)

    A backfeed relay fault is supposed to indicate that the UPS' backfeed relay isn't behaving correctly. This relay disconnects the UPS from AC hot during a power failure, so the electricity generated by the UPS doesn't backfeed into mains or your generator. Backfeed protection is required so that circuits feeding the UPS can be de-energized and made safe for electrical work which would be difficult if the UPS kept it energized. The UPS detects if it doesn't open or close as it should.

    As for why you're seeing the exact same fault on the replacement, that is really odd. I would call APC tech support, complain and ask about generator compatibility.

  • maxfs79
    Maxim
    Novice
    Novice
    Maxim 12/16/2015 2:24 PM (in response to voidstar)

    Dear Forum,

    We have the same problem on UPS APC SRT8K. From diesel generator this is UPS work fine, but when we switch from generator to power line, sometimes UPS is turn off and print message "00020 Error and turned the output power off". On a web page in logs seems error: A backfeed relay fault exists.

    In our UPS firmware 4.03. Can you please help me ?

    Regards,

    Maxim.

  • mitsmith
    michael
    =S= Representative
    michael 12/16/2015 2:39 PM (in response to Maxim)

    Hi Maxim,

    I am actually currently working with another customer that has this issue on a srt10k. We replaced the ups and the same exact issue came back. They have other ups's that are not affected but are on a different panel. We are currently in the process of putting a power analyzer between the input of the ups and the upstream panel to see if there is anything that could be causing it on the power side. 

    I will post back in this thread when we reach a resolution on it.

    -Mike 

  • maxfs79
    Maxim
    Novice
    Novice
    Maxim 12/16/2015 2:55 PM (in response to michael)

    Ok, thanks Mike.

  • maxfs79
    Maxim
    Novice
    Novice
    Maxim 1/12/2016 12:49 PM (in response to michael)

    Hi Mike,

       Do you have any news about this issue ?

    Thanks.

  • mitsmith
    michael
    =S= Representative
    michael 1/13/2016 4:46 PM (in response to Maxim)

    Hi Maxim,

    I just wrapped my related case up today. A firmware update on the unit itself solved the issue. Check to see if your ups is on firmware 4.4, if it isn't the instructions and files are in the link below. 

    http://www.schneider-electric.us/sites/us/en/support/faq/faq_main.page?page=content&country=US&lang=en&id=FA164737

  • maxfs79
    Maxim
    Novice
    Novice
    Maxim 1/15/2016 1:06 PM (in response to michael)

    Thank you for the answer, we try update firmware to 4.4, our UPS have 4.3.

    I have one more question, how can I update firmware with no shutdown out power over NMS ?

  • lionkn
    Lev
    New Member
    New Member
    Lev 8/24/2016 1:55 PM (in response to michael)

    Good day.
    I had an error "00020 Error and turned the output power off". Current firmware UPS 04.4. The error only occurs when the load (10-15% load) is connected, if you disable input on the switch. After switching off the load, and turn on the switch input, the UPS switches to bypass, after 5-8 seconds the UPS is included in the normal mode.
    UPS SRT10KRMXLI.

  • Mauro
    Mauro
    New Member
    New Member
    Mauro 4/21/2017 5:31 PM (in response to michael)

    Hi Michael, i did the firmware updating, but still have the same problem. Do you have another solution?

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