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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn, Page 5 of 24  Not logged in ELOG logo
New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Group Subjectdown Text Attachments
  339   09 Sep 2023, 11:36 Naresh KujalaPRCStatus- Due to the failure of the cryo cold
compressor. The machine is down.

- Next update 9 pm today
  
  340   09 Sep 2023, 15:03 Naresh KujalaPRCStatusInfo from Machine RC (Lars):

----------------------------------------------------------------------------------------------------------------------------------------

Author: Froehlich
  
  354   22 Sep 2023, 17:46 Jan GruenertPRCStatusSASE3 gas supply alarm

SCS
called the PRC at 17h04 due to a loud audible
alarm in XHEXP1 and contacted also TS-OCD.
  
  360   23 Sep 2023, 14:49 Jan GruenertPRCStatusUpdate of power outage aftermath

Achieved
by now / status


SASE1

​beam
  
  365   24 Sep 2023, 08:05 Jan GruenertPRCStatus8h05 Beam is switched back on in SASE2.
HED ready for taking beam.

8h45 BKR is having problems to
  
  389   14 Oct 2023, 09:48 Frederik Wolff-FabrisPRCStatusMachine went down overnight (4AM and 6AM)
and could not be properly restarted by BKR.

Ongoing tuning is proceeding with
  
  426   30 Oct 2023, 23:18 Jan GruenertPRCStatusAt the end of the MON late shift, the tuning
status and obtained lasing pulse energies
(ATT#1) are as follows:
 JG_2023-10-30_um_23.15.36.png 
  431   02 Nov 2023, 19:37 Jan GruenertPRCStatusTypical delivery status during daytime
during the week:


SA1 at 19 keV : 841 uJ +/-
 JG_2023-11-02_um_16.35.54.png 
  440   05 Nov 2023, 16:14 Jan GruenertPRCStatusFinally, we're completely back in operation,
and the performance is recovered in
all beamlines.
  
  464   28 Nov 2023, 19:36 Jan GruenertXPDStatusRamp down activities completed
by XPD. References:


SASE1

https://in.xfel.eu/elog/SASE1+technical+commissioning/2204
https://in.xfel.eu/elog/SASE1+technical+commissioning/2205
https://in.xfel.eu/elog/SASE1+technical+commissioning/2206


SASE2

https://in.xfel.eu/elog/SASE2+technical+commissioning/1206
...until...
https://in.xfel.eu/elog/SASE2+technical+commissioning/1209


SASE3

https://in.xfel.eu/elog/SASE3+technical+commissioning/2220
https://in.xfel.eu/elog/SASE3+technical+commissioning/2221




The
  
  51   22 Feb 2023, 14:53 Peter ZaldenFXEStability IssueInstability observed today at 14:05, reported
to PRC and BKR, including RC: We saw RMS
jitter amplitude of up to 4 mm at FXE imager.
 2023-02-22-145134_250580044_exflqr37199.png 
  64   02 Mar 2023, 22:54 Ulf ZastrauHEDStability IssueHED would like to report
that since 2 days the SASE2 beam is instable.
The attached movie shows, on the left
 beamjitter_2_3_2023.mp4 
  103   24 Mar 2023, 18:27 Tommaso MazzaSQSStability Issuethe pulse energy in XTD10 is lowered by
~30% when SASE1 changes photon energy, compare
att. 1 and 2.
 Screenshot_from_2023-03-24_18-25-31.pngScreenshot_from_2023-03-24_18-26-18.png 
  167   30 Apr 2023, 09:01 Tommaso MazzaSQSStability Issuechanging SA3 mono from grating to blank
while having the und to mono synchronization
running apparently caused the und photon
 Screenshot_from_2023-04-30_09-11-58.png 
  470   30 Jul 2024, 10:38 Antje Trapp Solid attenuator arm 5 limit switchOn 27th of July, it was reported that arm
5 of the solid attenuator did not stay
in 'out' position when retracted,
 6x 
  265   19 Jul 2023, 20:09 Mikako MakitaXROShift summary: 19. JulySummary of today's activity:


Beam handover ~ 3pm.
SA2
mirror set tp B4C.
SA2 Rough alignment
 8x 
  83   16 Mar 2023, 00:26 Robert, ManuelSCSShift summary, late 2023.03.15Activities:


Found coarse and fine timing
between FEL and PPL at 266nm
Set
  
  334   07 Sep 2023, 07:24 Justine Schlappa, Guiseppe MercurioSCSShift summary, September 7 after nightshiftAchievements:
- Optimized hRIXS settings for OK
edge at 145 deg scattering angle, resolution
  
  266   20 Jul 2023, 18:20 Antje TrappXROShift summary of SASE2 alignmentMirror pitch motors Ry were tested after
scaling was changed to um.

Tx and Ry motor positions were
  
  267   20 Jul 2023, 20:21 Kelin TascaXROShift summary of SASE1 alignmentBeam aligned to SPB Pop-In https://in.xfel.eu/elog/XRO+Beam+Commissioning/185

Beam aligned to FXE Pop-In https://in.xfel.eu/elog/XRO+Beam+Commissioning/187

Vibration tests: https://in.xfel.eu/elog/XRO+Beam+Commissioning/188
  
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