Troubleshooting 156
6
Preparing for the Valve Test
This procedure requires a pump that can deliver at least 5000 psi without leaking and has
a pressure gauge.
1. Open the sample compartment door, remove the carousel, and place a beaker
under the injector needle.
2. Cap the red outlet line.
3. Access the Valve/Motor Diagnostics page (Figure 6-2
).
Figure 6-2 Valve and Motor Operations
Performing the Valve Test
Run each test in the order presented. Running a test consists of:
• Setting the valves and needle
• Setting the pump pressure
• Monitoring the pressure decay
• Checking for valve release time
DIAG
Diagnostic: Valve and Motor Operations
Valve 1 ?
Valve 2 ?
Valve 3 ?
Valve 4 ?
Needle ?
Syringe ?
Wash Pump ?
User Maint
Page
Stream
Fill
Open
Open
Open
Open
Seal
Empty
On
Closed
Closed
Closed
Closed
Vial
Home
Off
To execute Normal State press ENTER
Pressure 348
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