NomoLine ISA Service Manual Chapter 2: Maintenance Procedures
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Figure 1-6
4. Check that the Input Connector is lit with a steady green light.
5. Occlude the sampling line by rotating the 4-way stopcock lever in the position
shown in figure 1-7 and wait for 10 seconds.
Figure 1-7
6. Verify that the host device shows an occlusion alarm and the Input Connector
shows flashing red light.
Test Result
The test is successful if an occlusion alarm is displayed on the host device and the Input
Connector shows a flashing red light. If the Input Connector is still lit with green light with
the 4-way stopcock blocked, the test needs to be repeated. Before performing the test again,
check that all connections on the NomoLine ISA Maintenance Kit are firmly tightened and
verify that the profiled sealing on the Nomo connector is undamaged. Do not operate the
NomoLine ISA system if the test fails repeatedly as this indicates a leakage in the NomoLine
ISA system.
Leakage Check
Setup
• Assemble the following components from the NomoLine ISA Maintenance Kit as
shown in figure 1-8. Refer to Maintenance Kit Components on page 14 for
component identification.
• Nomo connector with tubing (connects to the NomoLine ISA system Input
Connector)
• Flow-check device with silicone tubing (connects to NomoLine ISA system
Exhaust Port)
• Syringe
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