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Why am I not able to establish communication with external batteries and my SURT15k/20K UPS?

Published date: 20 August 2019


Issue:

Cannot establish communications with external battery packs

Product Line:

Smart-UPS Online

Environment:

All SURT 15K and 20K models, All Serial Numbers

Cause:

Communications are sometimes slow to initialize when connecting external battery packs.

Resolution:
  • Disconnect all external battery packs - Wait at least 2 minutes
  • Connect first battery pack - Wait at least 2 minutes
  • Connect next battery pack - Wait at least 2 minutes
  • Continue until all battery packs are recognized and communicating with the UPS. 

If issue persists, consult your users manual for additional troubleshooting methods.
 

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