Thermo Scientific Vanquish VF-D20, Operating Manual, Page: 160 / 182

8 • Troubleshooting
Page 160 Vanquish Charged Aerosol Detectors Operating Manual
3. On the gas supply, turn on the gas flow to the detector.
If the gas supply pressure has fallen within the allowed range, the
overpressure relief valve will remain closed.
4. Turn on the gas flow in the detector. See section 6.5.3, page 99 .
5. In Chromeleon, check that the nebulizer gas pressure reading (
Gas
Regulator Pressure parameter) has returned to the allowed range.
If the problem persists, contact Thermo Fisher Scientific Technical
Support for assistance.
8.3.3 Resolving Flooding In the Detector
When
The liquid sensor inside the detector detected a build-up of excess liquid
(flooding) inside the detector.
A related message appears in the Audit Trail. See section 8.2 Messages,
page 155 .
Follow these steps
1. Leave the detector gas flow turned on to dry the excess liquid. If
there is only a small amount of liquid present inside the detector,
the liquid may evaporate when leaving on gas flow overnight.
TIP The period for leaving the gas flow turned on depends on the
severity of the excess liquid that build-up.
2. If the message has disappeared, turn the detector gas flow off and
on. Check the following indicators:
♦ If the status indicators are no longer red and the message in the
Chromeleon Audit Trail no longer appears
The excess liquid build-up is removed.
♦ If the status indicators are still red and the message in the
Chromeleon Audit Trail still appears
Write down the code and wording of the message, and contact
Thermo Fisher Scientific Technical Support for assistance.