Sartorius Stedim Biotech BIOSTAT RM 20 basic Bedienungsanleitung Seite 53

Alarm message Possible causes
No Airflow1 If the Gasflow1 controller is
active and no airflow higher
than 40 ml/m is measures for
2 min (target value is at least
50 ml/m), this alarm message
is displayed. This does not
deactivate the controller.
You can acknowledge this
alarm message via the "Home"
button.
No Airflow2 If the Gasflow2 controller is
active and no airflow higher
than 40ml/m is measures for
2 min (target value is at least
50ml/m), this alarm message
is displayed. This does not
deactivate the controller.
You can acknowledge this
alarm message via the "Home"
button.
Measures
When operating with process
air – please check the input
pressure range. Is it between
1.0 and 1.5 bar? Is the supply
tubing to the device crushed or
kinked?
When operating with an
internal air pump – please
contact Sartorius Service.
When operating with process
air – please check the input
pressure range. Is it between
1.0 and 1.5 bar? Is the supply
tubing to the device crushed or
kinked?
When operating with an
internal air pump – please
contact Sartorius Service.
Appendix 53