GE AKTA start Maintenance Manual page 53

Step
4
5
6
7
8
9
ÄKTA start Maintenance Manual 29060308 AD
Action
Make sure the flow path and outlet tubing are filled with DM water.
•
Tap Start flow to run the Pump.
•
Place the outlet tubing from the Wash valve (Waste port) in a pre-
•
weighed collection tube.
Collect at least 1 ml of water in the collection tube. Measure and note the
collection time.
Tap Stop flow to turn the Pump OFF.
•
Weigh the pre-weighed collection tube containing the collected water
•
and calculate the volume of the pumped water.
Calculate the flow rate and verify that it corresponds to the set flow rate.
•
If the calculated flow rate does not correspond to the set flow rate, inspect
the condition of the pump tubing, replace the pump tubing, re-calibrate the
Pump and repeat the diagnosis.
If the calculated flow rate still does not correspond to the set value after
replacing the pump tubing, replace the Pump.
If the Pump is replaced with a new one, tap Reset to reset Pump run to 0
hours.
3 Maintenance operations
3.6 Pump
3.6.2 Diagnostics
53