Table 9-2 Sensitivity Issues (continued)
Possible Cause
Corrective Action
The curtain plate is dirty.
Clean the curtain plate. Refer to the section:
.
The orifice plate is dirty.
Refer to the section:
or contact the local QMP or FSE.
The skimmer is dirty.
Clean the skimmer. Contact the QMP or FSE.
The syringe or sample line is leaking.
Inspect the syringe or sample line for leaks
and repair any leaks found. Make sure that all
fittings are the correct type and size.
The sample has degraded or has a low
concentration.
Verify the sample concentration. Use a fresh
sample.
The probe is not installed properly.
Remove and install the probe.
The ion source is not installed properly or it is
faulty.
Remove and install the ion source, making
sure that the latches are properly secured. If
this does not resolve the issue, then install and
optimize an alternate ion source.
There is an issue with the LC system or
connections.
Troubleshoot the LC system.
The electrode is dirty or blocked.
Replace the electrode. Refer to the section:
There is No Signal or the Signal is Unstable
The tubing is blocked.
Replace the sample tubing. Refer to the
section:
Table 9-3 Background Noise Issues
Possible Cause
Corrective Action
The
Temperature (TEM)
,
IonSpray Voltage
(IS)
or heater gas flow rate (GS2) is too high.
Optimize the ion source parameters.
Refer to the section:
.
The syringe or sample line is dirty.
Clean or replace the syringe or sample line.
The curtain plate is dirty.
Clean the curtain plate. Refer to the section:
.
The orifice plate is dirty.
Clean the front of the orifice plate. Refer to the
section:
Clean the Front of the Orifice Plate
Mass Spectrometer Troubleshooting
SCIEX 3200 Systems
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System User Guide
RUO-IDV-05-6475-C