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
temperature(s)
Cooler works,
but gas flow is
interrupted
Liquid alarm on
display: LA1
Current cooler
temperature(s)
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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.
SS5C, SS5C/2, SS5C/3 | 1.00.00
Check/Solution
Check supply voltage with model type plate;
OK?
Check if mains voltage is applied to X1/2 and X1/3;
OK?
Check the fine fuse on the terminal mounting rail;
OK?
Ambient temperature too high.
OK?
Free convection in optional cabinet impaired  cabinet
temperature too high;
OK?
Cooler error (see instruction manual ECPX000C);
OK?
Check voltage on terminals X1/8 and X1/11;
OK?
Remove the tubes at the pump head and check;
OK?
Clean pump if necessary;
OK?
Remove sample line at gas inlet;
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
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