Technical FAQs

Ask a Question

Erroneous Switch Gear Messages from a Network Management Card 2 & Galaxy 3500 UPS


Upon closing the mechanical bypass switch on a Galaxy 3500 UPS, the Network Management Card 2 (AP9630/30CH & AP9631/31CH) will report an "Internal Mechnical Bypass" alarm, which is expected. A user may also see "The External Switch Gear Q003 has closed" in the event log.

Product Line
  • UPS Network Management Card 2
    • AP9630/30CH, AP9631/31CH

  • MGE Galaxy 3500 3ph UPS
    • All models


  • All serial numbers
  • All sumx application firmware versions for NMC2


This is an erroneous alarm and will be fixed in a future firmware release.


If you're experiencing these erroneous messages, upgrade your Network Management Card 2 firmware, when available. A release that fixes this issue is still to be determined.

Was this helpful?
What can we do to improve the information ?