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SURT8000XLI RBC LED Fault
APC UPS Data Center & Enterprise Solutions Forum
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Posted: 2025-01-0811:25 PM
SURT8000XLI RBC LED Fault
Hi
I have replaced the internal Batteries for SURT8000XLI UPS with Genuine RBC140, at power outage the LED indicator goes to 25% immediately while the UPS sustain the load for 12 min so i need a solution noting that i performed three complete charge / discharge cycles and performed the UPS self test as well
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Posted: 2025-02-1105:31 AM. Last Modified: 2025-02-1105:32 AM
Hello,
We recommends to follow the below procedures:
- brain dead the unit after disconnecting the loads to reset the control logic
-Then start up the UPS again and insert the loads (should be min 30 %)
-Ensure you changed the battery replacement date from UPS NMC
-Then perform start up test, once passed
-Leave the batteries to charge for 48 hours
-Then perform runtime calibration test with same 30 % load from the NMC
-Once passed leave the batteries to charge for 24 hours
-Then perform discharge test by disconnecting the UPS input mains with the same 30% load
-Leave the batteries to discharge until the connected loads shutdown even if the battery LED lit up this will allow the controller to update battery runtime constant
-then return back mains to the UPS and let the UPS charge the batteries for 24 hours while maintain the desired load level 30 %
we usually instruct this to our service centers to perform the procedures using load bank or dummy load
Link copied. Please paste this link to share this article on your social media post.
Posted: 2025-02-1105:31 AM. Last Modified: 2025-02-1105:32 AM
Hello,
We recommends to follow the below procedures:
- brain dead the unit after disconnecting the loads to reset the control logic
-Then start up the UPS again and insert the loads (should be min 30 %)
-Ensure you changed the battery replacement date from UPS NMC
-Then perform start up test, once passed
-Leave the batteries to charge for 48 hours
-Then perform runtime calibration test with same 30 % load from the NMC
-Once passed leave the batteries to charge for 24 hours
-Then perform discharge test by disconnecting the UPS input mains with the same 30% load
-Leave the batteries to discharge until the connected loads shutdown even if the battery LED lit up this will allow the controller to update battery runtime constant
-then return back mains to the UPS and let the UPS charge the batteries for 24 hours while maintain the desired load level 30 %
we usually instruct this to our service centers to perform the procedures using load bank or dummy load