M&C TechGroup CSS-M Operator's manual - Manual (Page 22)

22 Gas sampling and gas conditioning technology 4-2.1.3-ME
Sample line to the
analyser clogged or
squeezed;
Pollution of the
diaphragm pump;
No gas flow?
Loosen the outlet hose on the analyser side and
check on the threaded hose coupling whether
sample gas flows;
Sample gas does not flow?
Clean the clogged line or replace it;
Sample gas flows?
ok?
Loosen the piping on the pump head and examine
it (see 15.2);
ok?
If necessary, clean the pump;
Ok?
Temp.
<2°C Cooler switches the
sample gas pump
automatically off;
Cooler defective; Ambient temperature too low;
ok?
Return the instrument for repair to M&C.