11-14 Troubleshooting
Contacting Waters
Most operational problems that arise with the GCT Premier are easily
correctable. However, if you cannot correct the problem, you must contact
Waters.
Customers in the USA and Canada should report maintenance problems they
cannot resolve to Waters Technical Service (800 252-4752). All others should
visit http://www.waters.com and click Offices, or phone their local Waters
subsidiary or Waters corporate headquarters at 34 Maple Street, Milford,
MA 01757, USA.
When contacting Waters, have the following information available:
• The nature of the symptom.
Poor calibration/accurate mass (in FI source):
Possible cause Corrective action
Extraction rods are dirty. Clean the extraction rods.
See also: Cleaning the extraction
rods on page 10-42.
Electrical discharge resulting in damaged emitter (in FI source):
Possible cause Corrective action
Emitter failed. Replace the emitter.
See also: Changing an emitter on
page 10-33.
Discharge in ion source. Ensure that there is no excessive
source contamination by checking
the leakage current. If the leakage is
more than 10, the ion source needs
cleaning.
See also: Cleaning the complete
outer source on page 10-37.
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