[Notice] IBS600 trouble [2022.06.27] - No tuning is allowed. - Cause : to prolong the life of probe motor - probe is tuned for 1H and 13C only. - Manual tuning for other nuclei is allowed after NMR manager permission. _____________________________________________
_________________________________________________________________________ [Solved] IBS600 [2024.04.23] - 13C acquistion with 1H decoupling is not working properly # not enough decoupling - Cause : 1H nuclei is tuned at wrong frequency # Not sure why 1H tune frequency is changed. - 1H tune is adjust with 10% EB in CDCl3 sample. [Solved] Solid400 [2024.03.15] - Air line of air compressor is broken partially - Cause : Worn out (Aging) - Air line is exchanged. [Solved] IBS600 trouble [2024.01.19] [2024.01.02] - Temperature is not regulated properly (unexpected heating) - Problem : Air regulation is not stable, Z1 shim current is too high - Cause : Air dryer filter is broken - Air Dryer is fixed [2024.01.19] [Solved] IBS600 trouble [2023.11.11] - eject air is stopped too quickly - Temperature regulation is not working - Fan of back panel gives too loud noise # Temperature increased > 50C without any operation - Cause : Power supply of Air regulator is damaged, Fan is too old - back panel fan and air regulator power supply are replaced(2023.11.14) [Solved] AV500 trouble [2022.07.04] - [2020.08] 19F atma is not working properly // atma failure <== double dip, disconnection, tune/match trouble - expected cause : probe, preamplifier [2022.09.01] - Firmware is updated (Topspin 4.1.4) - Still trouble occurs (2022.09.01) - backup probe & preamplifier are installed temporariliy (2023.02.20) -19F atma is not working (2023.10.30) // atma failure <== cannot detect initial point properly - atma on Broadband channel is not working (2023.11.01) - Original probe is returned (2023.11.08) [Solved] AS400 trouble [2023.09.20] - Icon-NMR hangs too frequently - suspect : Special charactet ( +, ^, (, ...) is written in name - Icon-NMR configuration have been reset. - Users who use special character at "Dataset Name" are blocked [Solved] IBS600 trouble [2023.06.13] - NMR tube is broken in the magnet[06.13] - broken NMR tube is removed - contaminated upper barrel and probe are cleaned - Shimmap and standard shim are updated - lock frequency is updated [Solved] IBS600 trouble [2023.04.07] - Communication trouble happens too frequently. - Console reboot is not working - Console is turned off and dust filter is washed. - Console is turned on again and configured properly. [Solved] AS400 trouble [2023.01.10] - Shim quality is bad - Cause : Quartz is broken - [No more] Backup probe is installed until original probe is fixed. - Quartz is replaced and Original probe is installed (2023.03.30) [Solved] AVHD400 trouble [2023.03.03] - atma on Broadband is not working - Cause :initialization failure - trouble is fixed with atma homing ==> atma reset [Solved] Data server trouble [2023.02.27] - server is not running - Cause : Harddisk is damaged - HDD is replaced [Solved] AVHD400 trouble [2023.01.10] - lock is not working - Cause : NMR tube (without spinner) is inserted to magnet - NMR tube is removed [Solved] AVHD400 trouble [2023.01.09] - Sample is not detected - Cause : NMR tube (without spinner) is inserted to magnet - NMR tube is removed [Solved] AVNEO400 trouble [2022.10.14] - lift air is not working - Cause : two NMR samples are stuck in the magnet - NMR tubes are removed with hand-made tool (check picture on twitter) [Solved] AVHD400 trouble [2022.08.31] - atma on BB is not working - Cause : Permissioin is changed after firmware update - permission is changed (644 --> 666) [Solved] AVHD400 trouble [2022.08.19] - topshim takes log time or shows error frequently - Cause : probe is contaminated - probe is cleaned [Solved] AVHD400 trouble [2022.08.10] - frequent error : acquisition is running - process is not killed after logout - Cause : consol is overheated due to not enough cooling - Filter is replaced [Solved] IBS600 trouble [2022.07.29] - Air noise. - Air leakage at pnematic router - Autosampler is disconnected until leakage is fixed - [08.08 15:00] Partially broken o-ring is enhanced with teflon. - [08.08 16:00] Autosampler is re-connected - [08.09 17:50] Air leakage happens again. - [08.10 10:20] VT power is replaced. - Cause : air control have problem because VT controller of pnematic router is old [Solved] NMR reservation page trouble - NMR reservation page is not working during 16:10 ~ 16:56 - Cause : database service is stopped during OS update [Solved] AS400 trouble [2022.07.16] - NMR tube was stuck at autosampler during transporting - Broken NMR tube was removed - NMR probe is checked [2022.07.18] [Solved] AV500 trouble [2022.07.05] - Shim coil temperature is too high (322K) - Cause : Over heating by too high value of shim gradients - shim value is retrieved with recent standard shim(rsh) - wait more than 15 min after rsh to regulte temperature at 298K [Solved] AV500 trouble [2022.02.25] - Sample is not taken by autosampler - Cause : E-clip is broken which holds shaft on autosampler. - Pin is held with teflon tape temporarily.(02.25) - Pin is replaced with new one (05.03) - Repaired : 2022.05.03 [Solved] AS400 trouble [2022.04.26] - ATM failure on broadband channel (11B, 19F)on IconNMR - Cause : Wrong configuration on ATM setting after update - Configuration is adjusted - Repaired : 2022.04.27 [Solved] AV500 trouble [2022.04.01] - Sample is not retrieved from autosampler. - Cause : Bayonet ring is displaced during sample transporting - Assemble again - Repaired : 2022.04.01 [Solved] AVHD400 trouble [2022.03.30] - Cause : probe is contaminated. - quartz is replaced. - Repaired : 2022.04.05 [Solved] IBS600 trouble [2022.03.17] - Too slow - Password is not configured for new users - "Cause" : operator number is more than 255 - Accounts of retired/graduated users are removed. - Repaired : 2022.03.22 [Solved] AS400 trouble [2022.02.22] - topshim takes too long time - duration of 2H is too long <-- cortab is not properly configured - Repaired : 2022.02.23 [Solved] AS400 trouble [2021.08.30] - Automatic adjustment on tune/match[atma] is not working - atma is disabled on icon-NMR and topspin - 1H & 13C based experiments are only permitted. - Repaired : 2022.02.23 [Solved] IBS600 trouble [2022.01.05] - NMR is shutdown until engineer service. - Burning smell is occured by short circuit of console. - Repaired : 2022.10.10 [Solved] AS400 topshim trouble is fixed [2021.12.08] - L-TRX board is replaced. - pulsewidth&power on 2H is calibrated for dual probe # Will be checked again with BBFO probe. [Solved] Trouble on L-TRX board (too weak power) [2021.11.08] - topshim on weak solvent peak (eg> CDCl3, CD3CN) is not working - topshim takes too long time to adjust shim - manual shimming is available [Solved] AV500 troubles are fixed [2021.11.08] - Memory of Amplifier is deleted after power-down // Engineer service (reset memory and firmware upgrade) - 2 NIC(Intel) are conflicted after CentOS 7 yum update // attach external NIC(realtek) and configure Internet on new NIC [End of service] AV400 [2021.10.28] AV400 is not working. Repairment is not possible. - Shim coil is damaged - probe is moved to AS400 [End of service] AV300 [2021.09.10] AV300 is not working. Repairment is not possible. - probe is damaged (quartz is broken) // out of stock - console is not booted // repair is not possible. [Solved] IBS 600 trouble [2021.05.10] Trouble is fixed - lock frequency was changed with wrong value automatically. - proper lock frequency is configured by engineer. [2021.05.03] inserted sample is not recognized in the magnet - (log) S/N too low - Waiting for engineer service [2021.04.20] All troubles are solved ______________________________________________________ [2021.04.13] Tune on broadband is damaged - (remained) only 1H experiment is possible [2021.04.12] trouble is fixed. - (repaired) Shim power supply is repaired - (repaired) VT is working. [2021.04.06] Trouble summary -(found) Shim power supply is damaged by short circuit. -(repaired) 1H/19F tuner trouble is fixed -(remained) VT is not working. [2021.03.02] weak burning smell is detected. - non-zero shim adjustment failed. too low resolution [2021.02.19] trouble on 19F automatic tune/match adjustment - protune is not working. Use only 1H, 13C nuclei. (no other nuclei) [2020.12.24] - 현상 : console 내부 전원장치 접점에서 고온이 탐지(~ 90C) - 대처 : 저항부분의 고온발견으로 사용자체에는 문제가 없으나, 먼저/종이/벌레 등이 유입할 경우 화재 사고 위험이 있어 사용자가 이상을 발견할 수 있게 수동조작만으로 사용함. - 계획 : 국소 자동 소화장치를 IBS600 상단에 설치예정. autosampler를 이용한 Full automation사용은 이후로 중단함. - Too high temperature (90 Celsius degree) is deteced on resist which is located inside of console power supply. Although resist works fine under 150C, safety manager worried about fire can be happened by dirt/paper/bug. To prevent fire out of users' sight, Full automation is halted permanently and users use IBS600 by manual operation. To prevent expected fire spreading, local fire fighting system will be installed over IBS600 console. ________________________________________________________________________ [Solved] AV500 trouble [2021.05.25] Topshim trouble is fixed - Shim coil was damaged on 2021.05.24 and was replaced. [solved] [2021.05.24] Topshim is not working [issue] [2021.05.17] 19F atma does not working well. - too frequent atma failure. => to prevent probe damage, 19F-based experiments are only permitted on request. ==> Contact NMR manager for 19F-based experiments. [2021.04.21] probe is working well - 19F auto-tuning is working properly. - 19F-1H HOESY is working without error. [2021.04.20] repaired probe is under test - experiment based on 19F nuclei is not available yet (19F will be possible after further examination on next week) [2021.02.26] - 현상 : 모든 19F 실험 불가 (다른 nuclei 실험은 이상없음) - 원인 : 19F nuclei tune 문제 - 예상 수리 기간 : 5~6개월 예상 - Experiment based on 19F nuclei are not working becuase of automatic tune adjustment is not working on 19F nuclei. (other nuclei are working ) 5~6 month is Expected for Repair.