Less redundancy power BIT-2B during blackbuilding test

Description

During the blackbuilding test we perform twice a year a situation happened that there was no power through SPDU A for BIT-2B. B-side is not affected for BIT-2B. We are working on this.

Follow the incident on our website for updates concerning this incident.

*Placed update on 09-12-2025 05.17:*

UPS for BIT-2B B-feed has been set in bypass mode, we deliver power via both feeds in BIT-2B.

*Placed update on 09-12-2025 05.23:*

Batteries for UPS for BIT-2B B-feed are not charging.

*Update geplaatst op 09-12-2025 05.38:*

We are reaching out to the supplier of the UPS.

*Update geplaatst op 09-12-2025 05.48:*

We are consulting with the supplier of the UPS.

*Update geplaatst op 09-12-2025 05.56:*

The UPS for the A-feed of BIT-2B is back online (no longer in bypass).

*Update geplaatst op 09-12-2025 06.01:*

The supplier of the UPS will come on location to investigate this problem.

*Update geplaatst op 09-12-2025 06.06:*

We have succesfully switched back to power from grid. We keep monitoring this.

*Update geplaatst op 09-12-2025 07.09:*

The supplier of the UPS is on route to BIT.

*Update geplaatst op 09-12-2025 09.47:*

The supplier of the UPS is onsite.

Update - 09-12-2025 15:30

The UPS supplier is on-site carrying out work.

Update - 09-12-2025 16:45

The supplier has completed the work and the main problem has been resolved. The UPS consists of three rows of batteries, several of which have been declared defective. The healthy batteries are now installed in rows 1 and 2. For now the third row with defective batteries has been removed from the chain. The UPS will now resume operation again should the power unexpectedly fail, but for a shorter period due to the absence of the third row. The order for the the replacement of the defective batteries has been placed.