27
CO
2
Incubator
Problem 9: Condensation occurs on the surface of inner door after decontamination process.
Possible Cause
Corrective Actions
Sampling port on inner door is
not installed or capped.
Ensure the sampling port is capped.
Leakage through magnetic
gasket on outer door.
Check to make sure outer door can close fully and no gap.
If there is gap and cannot closed properly, check that magnetic strength is not
diminished and PVC gasket profile is not deformed. Otherwise replace with new
magnetic gasket.
Decontamination pump failed.
Contact local distributor.
Filtered air exchange not
working or not installed.
Check whether filtered air exchange is installed.
There is a short tubing with a 1μm filter attached to the access port located at the
back of the chamber.
Check that filter is not saturated and tubing is not blocked.
Remove the ULPA filter and make sure the tube is connected to the hole in the
blower intake, above where the ULPA filter mount
Check also 2nd filter is not saturated and tubing is not blocked.
Loosen the 2 thumbscrews at the front of the top duct and lower the top duct
carefully. Check the tubing securing to the top of the chamber and tubing is not
blocked. Re-secure any loose tubing connection and close the top duct.
Problem 10: Garbled or missing characters on LCD module
Possible Cause
Corrective Actions
Display intermittently not
stable
Press the MENU key twice and see if the display returns to normal. If it is return to
normal and not occurring again then it is caused by intermittent electrical noise.
Check the line cord grounding.
LCD Module faulty.
If the garbled characters occur again on the same position and missing characters
are exactly same as before, then the LCD module is faulty. Contact local distributor.
Problem 11: Buzzer has no sound
Possible Cause
Corrective Actions
Buzzer is disabled.
Go to ADMIN menu and choose AUDIBLE ALARM to enable the alarm.
Buzzer spoiled.
Contact local distributor.
Summary of Contents for CelCulture CO2
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