Hi all:
The problem was Z0/Z1 board. I replaced it with another board. The system is
working again.
I would like to thank Bert (Spin-Doc); Kereszles Ivan; John Hahn, and Dan
Frank for their very useful advice.
Nelson
UNC ESOP NMR lab
> From: main_at_ammrl.groups.io On Behalf Of Zhao, Chunqing via groups.io
> Sent: Monday, October 6, 2025 2:46 PM
> To: main <main_at_ammrl.groups.io>
> Subject: [AMMRL] find z0 problem on INOVA 400
Hi:
I have a problem on our INOVA 400 which happened over the weekend.
I inserted Agilent Auto Test Sample and clicked Find z0 button from Start/Lock
page. I enabled Lock scan and got a flat lock scan if Lock box was unchecked,
but a sine wave when Lock box was checked. I tried to calibrate Gradient,
generate a new lk gradient map, and calibrate z0 with Auto Test Sample but
didn’t help. Any idea what was wrong?
The system is INOVA 400 with AutoX probe ( We don’t have broad band
probe for this system. Just use AutoX probe to run 1H and 13C related experiments).
OpenVnamrJ 2.1 Revision A is the NMR software which is installed on a centOS
Linux 7.9.2009.
Thanks,
Nelson
UNC ESOP NMR lab
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Received on Tue Oct 14 2025 - 09:42:28 MST