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FS#3996 — FS#7936 — UPS 3

Attached to Project— Datacenters
Maintenance
Roubaix 4
CLOSED
100%
Following the fault of yesterday in room 53, we perform tests on this UPS.
Date:  Tuesday, 22 January 2013, 15:56PM
Reason for closing:  Done
Comment by OVH - Tuesday, 22 January 2013, 15:55PM

The UPS is working fine this morning. Despite several tests, impossible to reproduce the conditions that caused yesterday's failure.

The batteries manufacturer was on site yesterday to perform preventive maintenance on RBX4 UPS.

At around 10am, they changed the batteries on the UPS and no test was made to re-balance the load on all batteries of each batteries chain. And the cut which followed later in the afternoon was fatal on the autonomy of the unit.

We will now carry out discharge test following changes made on a device.