Reports until 14:31, Tuesday 17 June 2025
H1 GRD (GRD)
anthony.sanchez@LIGO.ORG - posted 14:31, Tuesday 17 June 2025 - last comment - 14:32, Tuesday 17 June 2025(85130)
ALS-YARM Guardian issue in Scan Alignment.

Operator Was trying to lock in LOCKING_ARMS_GREEN[12] and ALS_YARM Faulted when It was trying to do SCAN_ALIGNMENT[57].

We Manual'd ALS_YARM back to UNLOCKED[-28]  then reloaded ALS_YARM.
Operator then took ISC_LOCK to GREEN_ARM_MANUAL[13]


Error Log:

 ALS_YARM W: RELOADING @ SCAN_ALIGNMENT.run
2025-06-17_21:15:15.740544Z ALS_YARM [SCAN_ALIGNMENT.run] Generating waveforms
2025-06-17_21:15:16.229352Z ALS_YARM [SCAN_ALIGNMENT.run] Start time is 1434230144
2025-06-17_21:15:16.229580Z ALS_YARM [SCAN_ALIGNMENT.run] Opening awg streams
2025-06-17_21:15:16.232982Z awgSetChannel: failed awgnewchannel_1(chntype = 1, arg1 = 0, arg2 = 0, awg_clnt[99][0] = 31370384) H1:SUS-TMSY_M1_TEST_P_EXC
2025-06-17_21:15:16.232982Z Error code from awgSetChannel: -5
2025-06-17_21:15:16.233280Z ALS_YARM W: Traceback (most recent call last):
2025-06-17_21:15:16.233280Z   File "/usr/lib/python3/dist-packages/guardian/worker.py", line 494, in run
2025-06-17_21:15:16.233280Z     retval = statefunc()
2025-06-17_21:15:16.233280Z   File "/opt/rtcds/userapps/release/als/common/guardian/ALS_ARM.py", line 1525, in run
2025-06-17_21:15:16.233280Z     ex.open()
2025-06-17_21:15:16.233280Z   File "/usr/lib/python3/dist-packages/awg.py", line 595, in open
2025-06-17_21:15:16.233280Z     raise AWGStreamError("can't open stream to " + self.chan \
2025-06-17_21:15:16.233280Z awg.AWGStreamError: can't open stream to H1:SUS-TMSY_M1_TEST_P_EXC: Error setting up an awg slot for the channel (-120)
2025-06-17_21:15:16.256804Z ALS_YARM ERROR in state SCAN_ALIGNMENT: see log for more info (LOAD to reset)
2025-06-17_21:15:35.011679Z ALS_YARM MODE: MANUAL
2025-06-17_21:15:35.017804Z ALS_YARM MANAGER: removed
2025-06-17_21:15:41.635373Z ALS_YARM MODE: AUTO

 

Comments related to this report
anthony.sanchez@LIGO.ORG - 14:32, Tuesday 17 June 2025 (85131)

Seems similar to this Alog From Oli.