Hello Renato, Those tests would normally be completed by the Field Service Engineer as part of Operational Qualification for the instrumentation. The engineer has special software tools that enable automated testing and automated Pass/Fail assignment…
Hello Can someone try to explain the following errors to me (and how to fix it)? manual integration failed... 1. "Object reference not set to an instance of an object" or/and 2. manually integrated peak does not match quantitation criteria also wondering…
Dear ryoboyle, thank you for the quick response. I am creating an IR-template for reporting results of unknown impurities from multiplate injection of sample or/and from multiple preparation of one sample batch. I use „Compound_Name“ for grouping them…
Thanks, James. I ran into the "Autostart Macro failed, error# 17928 occurred" and then Chemstation opened up to the "Data Analysis" window. I switched the view to the "Method and Run Control" window, closed Chemstation and then reopened it. I did not…
We are struggling with an issue where our mobile phase will not *actually* change composition during a gradient when going from a more viscous solvent to a less viscous one (H2O to acetonitrile, for instance). The instrument says it should be changing…
Hi all
I have recently encountered a problem in my bfb.u tune file parameters..
All of the sudden, my 5973 won't pass bfb tune (*inconsistent peek width*) (pic 1) though it passes Atune ( pic 2) just fine..
Enclosed for reference are images…
To use A-PLUS you must connect your Agilent product to a PC with a USB port using a Moxa adapter. Moxa is adapter/converter requiring specific drivers to be installed on your PC. It's important to download and install the drivers for your Moxa adapter…
This Information Applies To: Agilent 7890/7820 GC Systems with SSL, MMI, PTV, or VI inlets.
Issue
Split vent trap replacement is recommended as part of the scheduled preventive maintenance. Sometimes, it has to be replaced when the inlet pressure...
This Information Applies To: Agilent LC pumps
Issue:
Stuck or obstructed check valves (Active Inlet Valve (AIV), Passive Inlet Valve (PIV), Outlet Ball Valve (OBV)) can cause issues such as no-flow or no-pressure, moderate to strong drops in pressure...
This Information Applies To: Agilent 1260 Infinity II multisampler, 1290 Infinity II multisampler, 1260 Infinity II SFC multisampler, and 1260 Infinity II bio-Inert multisampler
Issue
The needle bends while moving to the wash port or showing one...
This Information Applies To: Agilent OpenLab CDS 2.x
Issue
This article outlines the step-by-step instruction on how to overlay chromatograms for OpenLab CDS 2.x
Steps to Follow
Load data from result sets or single samples. See Load or add...
This Information Applies To: Agilent Lab Advisor Software, Agilent Multicolumn Thermostat
Issue:
Agilent Lab Advisor is a great tool to diagnose the issue of your HPLC. Running the tests that are relevant to your specific issue in the Service &...
This Information Applies To: Agilent OpenLab CDS (ver 2.x)
Content:
The following procedure shows how to review completed injections in a running sequence in OpenLab CDS (ver 2.x).
Steps to Follow:
Select the sequence from the Run Queue...
This Information Applies To: Agilent Liquid Chromatography (LC) systems
Issue:
Shutting down the HPLC for a long period requires following this general procedure to prevent damage to the system and the column.
Steps to follow:
Store the...
This Information Applies To: Agilent G7129A/B Autosampler with Sample Thermostat/Cooler G7167-60101 or G7167-60005.
Issue:
The autosampler may stop working from time to time, potentially giving off loud noises and switching off the light. The only...
This Information Applies To: Agilent 5977A/B GC/MSD with EI source, EI Extractor Source, or CI Source.
Issue:
During normal operation of the GC/MSD, the source will require cleaning. It is time to clean the source when:
There is a loss in analyte...