Examples of pump pressure curves
The table below shows some examples of pump system pressure curves obtained when errors have
occurred. The examples can be useful in troubleshooting of the system pumps and the sample pump.
The system pressure monitor R9 has higher resolution than the other pressure monitors, and is therefore
recommended for troubleshooting purposes.
Incident: 30 μl of air enters pump.
Action: Purge pump. See Section 5.4 Prime inlets and purge pump heads, on page161. If the problem
is persistent, see Remove persistent air bubbles, on page 392.
Incident: A large volume of air enters pump.
Action: Purge pump. See Section 5.4 Prime inlets and purge pump heads, on page 161.
390 ÄKTA pure User Manual 29119969 AB
8 Troubleshooting
8.6 Troubleshooting: Pumps
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