Pressure Below Lower Limit; Pressure Signal Missing - Agilent Technologies InfinityLab LC Series User Manual

6 Error Information
Module Error Messages

Pressure Below Lower Limit

Error ID: 2015, 2501
The system pressure has fallen below the lower pressure limit.
Probable cause
1
2
3
4
5

Pressure Signal Missing

Error ID: 2016
The pressure signal is missing.
The pressure signal must be within a specific voltage range. If the pressure signal
is missing, the processor detects a voltage of approximately -120 mV across the
damper connector.
Probable cause
1
2
Agilent InfinityLab LC Series 1260 Infinity II Isocratic and Quaternary Pumps User Manual
Lower pressure limit set too high.
Air bubbles in the mobile phase.
Leak.
Defective damper.
Defective mainboard.
Damper disconnected.
Defective damper.
Suggested actions
Ensure the lower pressure limit is set to a value
suitable for the analysis.
• Make sure that the degasser is in flow path
and works correctly. Purge the module.
• Ensure solvent inlet filters are not blocked.
• Inspect the pump head, capillaries and
fittings for signs of a leak.
• Purge the module. Run a pressure test to
determine whether the seals or other module
components are defective.
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
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