Agilent InfinityLab LC Series Multicolumn Thermostats User Manual 114
7 Error Information
MCT Error Messages
VALVE FAILED
Error ID: 32031
Switching of the valve failed.
VALVE TAG VIOLATION
Error ID: 32032
Reading the valve tag failed.
Probable cause Suggested actions
1 Mechanical problems. Friction too high or
blockages on the valve drive’s motor or on
the valve head.
• Check valve head for correct installation.
• Try to identify the source of trouble by install-
ing a different valve head if possible.
• Contact your Agilent service representative.
2 Defective sensor on the valve drive motor
• Check valve head for correct installation.
• Try to identify the source of trouble (valve
head or drive) by installing a different valve
head if possible.
• Contact your Agilent service representative.
Probable cause Suggested actions
1 A valve head has been exchanged
(hot-plugged) while the valve drive was still
powered on.
• For changing the valve head follow the
instructions “Replace Valve Heads.” It is
important to have the MCT switched off for
at least 10 s after a new valve head has been
installed.
• Contact your Agilent service representative.
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