Valve Switching Failed; Valve Tag Violation - Agilent Technologies 1290 Infinity II User Manual

Valve Switching Failed

Error ID: 24001
The valve drive was not able to operate the valve head correctly. Either due to
mechanical reasons or the movement couldn't be detected correctly.
Probable cause
1
2

Valve Tag Violation

Error ID: 24006
The valve drive identified a different valve head than it had identified during
the last initialization.
Probable cause
1
Soft power-down power supply of the valve drive.
N O T E
Whenever you want to power cycle the valve drive for a re-boot, it needs to be powered off
for at least 10 seconds.
MS Flow Modulator User Manual
Mechanical problems. Friction too high or
blockages on the valve drive's motor or on
the valve head.
Defect Sensor on the Valve Drive Motor
A valve head has been exchanged
(hot-plugged) while the valve drive was still
powered on.
Error Information
Module Specific Error Messages
Suggested actions
• Check valve head for correct installation
• Try to identify the source of trouble by
installing a different valve head if possible.
• Contact your Agilent Service representative.
• Check valve head for correct installation
• Try to identify the source of trouble by
installing a different valve head if possible.
• Contact your Agilent Service representative.
Suggested actions
Change the valve head. It is important to have
the valve switched off for at least 10 s after or
before a new valve head has been installed.
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