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6.2 Air sensor A and Inlet valve A tests
Air sensor A and Inlet valve A tests
The following Air sensor A and Inlet valve A tests are available, for ÄKTA pure 25 and ÄKTA pure 150,
respectively:
• Air sensor A and inlet valve V9-IA test
• Air sensor A and inlet valve V9H-IA test
Method description
The Air sensor A and inlet valve A tests switches inlet valve A, labeled V9-IA or V9H-IA, to an empty
position and checks if the air sensor detects air.
The method run takes approximately 1 minute.
Required configuration
A correctly installed Inlet valve A is required to run the test.
Required material
The following materials are required:
• Syringe, 25-30 ml
• Distilled water
Prepare the test
Follow the instructions below to prepare the system before method start.
Action Step
Direct the outlet tubing marked W to a waste container. 1
Place inlet tubing A1 into distilled water. 2
Prime the A1 inlet and purge the pump. See Section 5.4.1 System pumps, on page 162. 3
Disconnect the inlet tubing connected to the A3 inlet valve position. During the test
method air is introduced into the inlet valve through that inlet port to test the function
of the air sensor. 4
ÄKTA pure User Manual 29119969 AB 229
6 Performance tests
6.2 Air sensor A and Inlet valve A tests