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The oven heating coil could also be shorting. The normal resistance reading of a cold oven heater coil should be 9.07–9.52 Ω (120 V instrument). Yes, if the heating coil or heater in the detector or injector were fried or broken, the resistance would read open. I assume if the heating coil was improperly connected or fried the resistance would read as an open circuit right (infinity)? What would the detector read if it was fried, just infinity like a thermistor? The Thermal Shutdowns seem to happen far more frequently when Chemstation has the GC under remote control.Īgilent is of no help whatsoever, any and all info would be appreciated, thanks! #If iturn off chemstation will the source cool down install#Is there any way Chemstation can be causing this error? We have always had problem with Chemstation from the beginning installation, and I am currently working on installing a fresh from format XP/Chemstation install to try and fix them (read it was fragmentation issues). Is there a way to diagnose if it is the power board versus the main board? Perhaps by watching current flows via the info screen on the GC? Has anyone else had success in fixing their GC by merely stretching out the heating coil and reconnecting it? I also mentioned the thread listed to my boss, and was wondering the following: I checked the vents in the back of the GC, they work fine in cooling the machine down. Viewtopic.php?f=2&t=17205&hilit=thermal+shutdownĪlong with others from other forums. I called Agilent and they said I should purchase a new main board or a new power board, and couldn't tell me anything except what they cost (a lot!) 1000$ and 400$ respectively. ![]() Also, I've witnessed the error occur where all the other thermal zones are heating up (front, back det, etc.) and the oven isn't responding, and then it gives a thermal shutdown, so I'm almost certain that it's the oven that isn't responding. The machine tells me the thermal zone affected is the oven. Please help.I recently started receiving thermal shutdowns from my Agilent 7890 at work the machine essentially displays "Thermal shutdown" on its screen, stops responding to console and Chemstation commands, and must be rebooted to continue. I cannot change the amount of time before the computer sleeps because it is a University computer and I do not have access to those settings. It will go to sleep after 15 minutes and the method is 28 minutes long, so unless I keep the computer from going idle, the sequence will freeze before it is complete. This issue is frustrating when I need to run a sequence of several samples and the computer goes to sleep before it finishes. The timing of this issue may coincide with when I had to reconfigure the instrument to fix a different error, but I can't remember what exactly I did. Chemstation/instrument must terminate first," and I force it to restart anyway. The only way to "fix" the problem is to restart the desktop, and I'm always prompted with "1 program still needs to close (Waiting for) CAG server executable. Shutting down Chemstation/instrument control and restarting it does nothing. ![]() #If iturn off chemstation will the source cool down windows#The message on the MS says "acquiring." Any subsequent interaction with the ins control window causes it to gray out, "(Not responding)" is appended to the window heading, and that message with which all Windows users are familiar appears, "the program has encountered a problem and needs to close." At this point, the MS still thinks it is acquiring data. I get as far as telling instrument control to start the method, and it will say "Loading Vial" but the autosampler does nothing. Any time I've got Instrument Control open and the computer is idle and goes to sleep, after waking the computer and trying to run a method, instrument control stops responding and has to close. #If iturn off chemstation will the source cool down windows 7#I am running Chemstation E.02.02 SP2 on Windows 7 with a 6890N GC and 5973 MS. ![]()
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