Hardware manual

Troubleshooting 5
Agilent 7500 Series ICP-MS Hardware Manual 5-51
3004 Power Failure occurred.
After the power was switched OFF, it was switched ON again.
Items to Be Checked in Case of Low Sensitivity
If the sensitivity is low, conduct the troubleshooting described in the following
“Items to Be Checked in Standby Mode” and “Items to Be Checked in Analysis
Mode” sections.
If the described procedure does not restore the sensitivity, contact our
Customer Contact Center. When calling the Customer Contact Center, be sure
to have the tuning report at hand.
Items to Be Checked in Standby Mode
• If sample cannot be correctly introduced, check the following three points.
1 Check to make sure that the peristaltic pump has been adjusted properly.
Refer to “Peristaltic Pump Tubing” on page 4- 15 in this manual.
2 Check to make sure that the nebulizer is not clogged. See the “Nebulizer
Test” section in the Agilent 7500 Series ICP- MS MassHunter
Workstation Operator's Manual (or ChemStation Operator's Manual).
3 Check to make sure that there is no leak at the tube connector or sample
line connector.
• Check to make sure that the shield plate is in firm contact with the metal
plate on the torch holder.
• Check to make sure that the torch (injector) is not clogged.
• Check to make sure that the diameters and shapes of the holes in the
sampling cone or skimmer cone have not changed. Refer to “Check the
Orifice” on page 4- 72 in this manual.
• Check the lens. See the “Ion Lens Test” section in the Agilent 7500 Series
ICP- MS MassHunter Workstation Operator's Manual (or ChemStation
Operator's Manual).