Dräger Fabius OS Instructions For Use Manual page 114

Configuration
Safety Relief Valves Test
CAUTION
The high pressure safety relief valve
(80 cmH O (hPa)) is tested during the leak test.
2
The test result is posted on the leak test result
screen. In case the test has failed, the machine is
conditionally functional. The valve may not be
able to relieve an unexpected high pressure.
Clean the valve or activate the valve manually,
and repeat the leak test.
If the test fails again
Contact DrägerService.
Possible Causes of Leaks
If the leak tests fail, check the following compon-
ents of the breathing system, and repeat the leak
test.
– damaged breathing hoses
– gas sample line fitting not plugged
– breathing bag/diaphragm defective
– vaporizer not connected correctly or filling
device open
– absorber canister not firmly mounted in place
– flow sensor not installed properly
– breathing system not assembled and installed
correctly
– microbial filters not connected securely
– breathing bag arm not tight or defective
114
Instructions for Use Fabius OS SW 3.n