Agilent Technologies G4782A, Руководство пользователя

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78 1260 SFC Binary Pump
6
Error Information
Module Error Messages
Pressure Below Lower Limit
Error ID: 2015, 2501
The system pressure has fallen below the lower pressure limit.
Pressure Signal Missing
Error ID: 2016
The pressure signal of the damper is missing.
The pressure signal of the damper 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 Suggested actions
1
Lower pressure limit set too high.
Ensure the lower pressure limit is set to a value
suitable for the analysis.
2
Air bubbles in the mobile phase.
• Make sure that the degasser is in flow path
and works correctly. Purge the module.
• Ensure solvent inlet filters are not blocked.
3
Leak.
• 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.
4
Defective damper.
Please contact your Agilent service
representative.
5
Defective main board.
Please contact your Agilent service
representative.
Probable cause Suggested actions
1
Damper disconnected.
Please contact your Agilent service
representative.
2
Defective damper.
Please contact your Agilent service
representative.