Hi, when I power on my Headspace 7697A it's show this message "vial EPC SHUTDOWN to restore operation press Vial and on", but when I press "Vial" and "on", the problem showing again
Hi, when I power on my Headspace 7697A it's show this message "vial EPC SHUTDOWN to restore operation press Vial and on", but when I press "Vial" and "on", the problem showing again
The 7697A HS has a purge flow always flowing through the sample probe to keep it clean. This is supplied on the same path as the vial pressurization. Check the pressure of the He or N2 gas that is used for this purpose. A pressure of 50-60 psig should be sufficient.
Could it be that the sample probe is clogged?
Thank you for your answer. I did the leak test and fail in the first step, my sample probe was clogged so, I taked it and washed it in 4 steps with NH3, HNO3, HCl and water and now it's working fine.
Thank you for your answer. I did the leak test and fail in the first step, my sample probe was clogged so, I taked it and washed it in 4 steps with NH3, HNO3, HCl and water and now it's working fine.
Good to hear it is a simple fix. Sometimes it's easier to just replace the probe. Also, make sure that the vials are less than half full to avoid the probe touching the sample, as this can cause the probe to clog.