ActionStep
•
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.
4
Collect at least 1 ml of water in the collection tube. Measure and note the
collection time.
5
•
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.
6
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.
7
If the calculated flow rate still does not correspond to the set value after
replacing the pump tubing, replace the Pump.
8
If the Pump is replaced with a new one, tap Reset to reset Pump run to 0
hours.
9
ÄKTA start Maintenance Manual 29060308 AD 53
3 Maintenance operations
3.6 Pump
3.6.2 Diagnostics
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