1290 Infinity Quaternary Pump User Manual 103
Error Information
7
Pump Error Messages
Pump Error Messages
These errors are pump specific.
Pressure of quaternary pump above upper limit
Error ID: 29163
The pressure has exceeded the upper pressure limit.
• Parameter: Measured pressure
Pressure below lower limit
Error ID: 29176
The pressure has dropped below the lower limit.
• Parameter: None
Probable cause Suggested actions
1 Blockage in flow path after the pressure
sensor.
• Check for blockages in the LC system, e.g.
purge valve, Jet Weaver, degraded column,
column frits, needle, needle seat, capillaries
etc.
• Check for particles in the solvent.
2 Inappropriate settings (pressure limit, flow
rate).
• Decrease flow rate.
• Increase pressure limit.
Probable cause Suggested actions
1 Leak
Check for leaks.
2 Bottle empty
Check bottle filling.
3 Wrong solvent (viscosity)
Check solvent.
4 Inappropriate setting
Check flow rate and lower pressure limit.
5 Column degradation
Replace column.
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