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Trouble shooting – M&C TechGroup ECM-ExII Operator's manual User Manual

Page 22

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22

Gas sampling and gas conditioning technology

3-3.0EX-ME

20

TROUBLE SHOOTING

The following table should give an overview of possible errors and an instruction to check and to
repair them (is not valid for the starting-up period of cooler).

Error

Possible reason

Check/Repair

Condensate in the gas outlet Ambient temperature < 5

C

Cooler overloaded
Peristaltic pump doesn’t work
Tube of the peristaltic pump
defective
Cooling capacity too low
(cooler is not overloaded)



Motor protection switch released

Heat up the components downstream;
eheizen; Keep the operational data (10.);
Change peristaltic pump;
Change the tubing (18.3);

Clean the fins of the condenser (18.2);
Check the vent;
Check the safety distance to other
heated components;
Secure sufficient ventilation;
Thermal load caused by the sample gas
resp. ambient is too high;
Clean the fins of the condenser;
Keep the operational data (10.);
Let the cooler cool down before restarting
it;

Gas flow blocks up reading

Contamination of the sample gas
way

Optimize the dust pre-separation
upstream the cooler;
Clean the gas ways and the coolin
system;

Wrong temperature

Temperature sensor defective
Temperature controller defective
Circuit of cooling agent leaky

Check the PT100-sensor;
Check the temperature controller;
Send the cooler for repair;

Cooler break-down

Power supply interrupted

Check the power supply and reconnect;

Pay attention to the relevant
safety instructions!

Compressor does not work

Compressor defective;
Motor protection switch defective

Send the cooler for repair;