GE Analytical Instruments ©2016 222 of 270 DLM 68100-09 EN Rev. A
Chapter 9: Troubleshooting
• Reactor Flow Control Valves (V6-R) and (V3-R) are closed
• Reactor Valve (V7-R) is opened
• Proportional valve (V1-GD) is set to its normal set point for the carrier gas flow
Pneumatic Valves
The Pneumatic Valve screen (Figure 96) contains buttons for testing the pneumatic valves, which control the
optional Filter Panel.
To test a pneumatic valve, first ensure that the source of compressed air is connected to the Analyzer. Press the
appropriate button for the pneumatic valve to test. The pneumatic valves are identified with a “PV” prefix
followed by the position number. For example, “PV1-MS” refers to the pneumatic valve in position 1, “PV2-MS”
refers to the pneumatic valve in position 2, and so on. The state of the valve appears as “1” (active or open) or
“0” (inactive or closed) on the button under the valve name.
After pressing a pneumatic valve button, you should hear compressed air exit from the selected valve. (The
pneumatic valves are mounted on the left side of the Analyzer).
Figure 96: Pneumatic Valve Screen
NOTE:
The pneumatic valves information included in this section only applies if the Analyzer
is configured for use with the Filter Panel.
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