Pressure Above Upper Limit; Pressure Below Lower Limit - Agilent Technologies 1220 Infinity II LC User Manual

Probable cause
5
6

Pressure Above Upper Limit

Error ID: 2014, 2500
The system pressure has exceeded the upper pressure limit.
Probable cause
1
2
3
4

Pressure Below Lower Limit

Error ID: 2015, 2501
The system pressure has fallen below the lower pressure limit.
1220 Infinity II LC System User Manual
Defective pump drive assembly.
Defective main board.
Upper pressure limit set too low.
Blockage in the flowpath (after the
damper).
Defective damper.
Defective main board.
Error Information
Pump Error Messages
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Suggested actions
Ensure the upper pressure limit is set to a value
suitable for the analysis.
Check for blockage in the flow path. The
following components are particularly subject
to blockage: inline filter frit, needle
(autosampler), seat capillary (autosampler),
sample loop (autosampler), column frits and
capillaries with small internal diameters (e.g.
50 µm ID).
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
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