Troubleshooting Procedures 155
6
Figure 6-1 Positioning the Syringe for Manual Purge
3. Set the system flow to 1 mL/min.
4. Remove the syringe assembly cover.
5. Remove the knurled nut.
6. Push the plunger to the top of the syringe barrel.
7. Pull down the plunger halfway.
8. Repeat steps 6 and 7 three times.
9. On the valve/motor diagnostics page, move the arrow down to the field:
To execute Normal State press ENTER
and press Enter.
6.4.2 Valve Leak Test
If a compression test fails using degassed mobile phase, use the procedure below to
isolate problems within the autosampler fluid system.
Caution: Wear safety glasses when performing this procedure.
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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