Calib Delay Vol Two Peaks; Valve Switch Failed - Agilent Technologies 1260Infinity II Bio-inert FractionCollector User Manual

Calib delay vol two peaks

Error ID: 4759
Two peaks have been detected during the delay calibration.
Probable cause
1
2
3

Valve Switch Failed

Error ID: 4959
If multiple fraction collectors are configured, an external valve is used to
switch between the fraction collectors.
The error message is displayed if the external valve failed to switch to next
position.
Probable cause
1
2
3
1260 Infinity II Analytical-Scale & Bio-inert Fraction Collector User Manual
Wrong sample has been used for the delay
calibration.
Wrong method has been used for the delay
calibration.
Air bubbles are in the flow path.
Valve is blocked. Possible if eluents with
highly concentrated electrolytes are used.
Power cord for the valve is not connected.
Valve drive or valve electronics are
defective.
Error Information
Module Error Messages
Suggested actions
Check method and delay calibration procedure.
Check method and delay calibration procedure.
Check flow path for leaks and air bubbles.
Suggested actions
Purge valve to dissolve crystals.
Check power cord connection.
• Synchronize the valve.
• Exchange the valve.
6
105