Pressure Signal Missing - Agilent Technologies 1220 Infinity II LC User Manual

10
Error Information
Pump Error Messages
Probable cause
1
2
3
4
5

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
1
2
208
Lower pressure limit set too high.
Air bubbles in the mobile phase.
Leak.
Defective damper.
Defective main board.
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.
1220 Infinity II LC System User Manual