Trouble Shooting - M&C PSS Series Instruction Manual

22

Trouble shooting

The following table aims to point out possible operational problems and offer solutions to such
problems (not applicable during the starting procedure).
Problem Display
No display
Gas flow
interruption
Error code: E5
Current cooler
tmperature(s)
Cooler works,
but gas flow is
interrupted
Liquid alarm on
display: LA1
Current cooler
tmperature(s)
42
Possible Causes
No voltage
Cooler does not work;
Cooler alarm detects
'over temperature'.
Cooler turns sample
gas pump off
automatically.
Diaphragm pump
does not work
Contaminated
diaphragm pump
Sample probe/line
clogged up or sample
line squashed
Sample line to
analyzer clogged up
or squashed
Optional liquid alarm
sensor:
Sensor turns
measuring pump off
automatically;
Optional flowmeter(s):
Needle valve closed.
PSS-5C | 1.02.02
Check/Solution
Check supply voltage with model type plate;
OK?
Check if the supply voltage plug is insert correctly;
OK?
Check the fine fuse on connector block
OK?
Ambient temperature too high.
OK?
Free convection in
temperature too high;
OK?
Cooler error (see instruction manual ECPX000C);
ok?
Check voltage on terminals X2/17 and X2/8;
ok?
Remove the tubes at the pump head and check;
OK?
Clean pump if necessary;
OK?
Remove sample line at gas inlet (see
Gas flow?
Clean contaminated sample line or replace;
No gas flow?
Disconnect the outlet tube on the analyzer side and
check whether sample gas flows at the tube fitting;
No gas flow?
Clean contaminated lines or replace;
Gas flows?
Momentary overloading of the cooler due to
excessive amount of condensate;
OK?
Check tubes for condensate removal;
OK?
Check tubes of the peristaltic pump (see manual
peristaltic pump SR25.2-W);
OK?
Check peristaltic pump SR25.2-W (see manual
peristaltic pump SR25.2-W);
OK?
Check ECPX000C cooler instruction manual;
Adjust needle valve(s) to the desired flow
www.mc-techgroup.com
(Figure 8);
3
case impaired case

1 in Figure 13);