20
Troubleshooting
Fault Cause Remendy
Leaky compressed air
connection
Defective sealing
ring
Check the sealing
ring and replace if
necessary
Tube not firmly seated
in the tube holder
Tube holder worn Replace the tube
holder
Tube end not cleanly
scratch market and
broken off
Tube opener blunt Replace the tube
opener
Major measurement
fault
Tube inserted in
wrong holder
Check
Tube holder dirty or
loose
Clean or replace the
tube holder
Wrong volumetric
flow, because the
feed system is
blocked
Unscrew the tube
holder from the
measuring unit and
blow the feed insert
clear from both
sides with
compressed air
O
2
pressure regulator Relief pressure
deviating from 3 bar
Readjust on 3 bar
relief pressure
Maintenance Intervals
Device component Maintenance work
required
before each use
after each use
every six months
every year
Test tube holder Clean X
Test tube Check date of use XX
Measuring device Check volume flow X
*)
*) By Dräger Safety.
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