A7â„¢ Service Manual 046-006272-00 2 - 21
Installation Guide Functional Tests
FIGURE 2-29 Automatic Circuit Leak and Compliance Test In Progress
During the automatic circuit leak test, the safety valve control test is also being conducted. The
automatic circuit leak test results are listed in the following table.
The following screen is displayed if the safety valve control test is failed. You can select Service Access
and enter the required service password to access service mode. You can select Retry to perform
automatic circuit leak test again.
Test results System Limitation
Safety valve control failed The machine cannot be used.
Automatic circuit leak test failed
Leak ≥200 mL/min and ≤1000 mL
The user can acknowledge the leak and continue with automatic
ventilation
Automatic circuit leak test failed
Leak >1000 mL
Only manual ventilation can be applied
Compliance test failed
Both automatic ventilation and manual ventilation can still be applied
using the previous compliance value in the A7 system memory, but
may not meet the accuracy of the delivered volume.
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