After being called by the control room, at 8.30 UTC, the CO2 powers were checked. The NI DAS IN and OUT showed no issues, the WI CH was changed by 2%, while the NI CH by 14% in order to restore the CO2 actuators powers needed for CITF and lock acquisition. Moreover, at 09.03 UTC PR CHRoCC VDAC 0.08 --> 0.12 (3600 sec ramp time) by the operator.