To shut down the injection system we proceeded as follows: we opened the RFC, IMC automatic alignment, IBz and BPC loops. We scanned the PMC flipped the mirror after it.

We set to zero the SL diodes currents (at 09h49 LT, from 28.4 to 29.8 A) and we turned off the temperature stabilization (27.2 C, 28 C, 25.1 C, 25.3 C) and turned off the power supplies.

We turned off the Neovan laser amplifier (at 09h52 LT, diodes currents from 4.5 and 5.3 A to zero). The temperature of the diodes were 24.46, 28.18, 30.03 and 31.99 C.

We turned off the ML (at 09h55 LT) by lowering the current from 1.773 A to zero. The crystal temperature setpoint was 27.61 C.

We opened the SBE EIB loop and blocked the bench.

We turned of the chillers (the one for the Neovan head and the other in Eeroom for the remaining components). Marco emptied the pipes by blowing compressed air. The water in the chiller in Eeroom was very dirty and we tried to purge it.

Finally Beatrice procedeed with the shutdown of the electronics. In Laser lab the power supply in the rack (rampeauto SL, PMC and videodriver). In the laser lab atrium as well the power supply. In the piscina, from the right to the left rack: galvo driver, BPC PZT driver, IMC rampeauto power supply, RF distribution, phaser shifter, LNFS (22304000 Hz, phase 0, 15 dBm and 56436970.4276 Hz, phase 0, 12 dBm) and power supply.

nb: when relocking the PMC rember to switch the threshold used for locking (it is now a quadrant of the IBMS as a security for the EIB suspension, it has to be the transmission of the PMC when we'll relock).