Valve Failed (Mcgv) - Agilent Technologies InfinityLab LC Series User Manual

6 Error Information
Module Error Messages

Valve Failed (MCGV)

Error ID: 2040
Valve 0 Failed: valve A
Valve 1 Failed: valve B
Valve 2 Failed: valve C
Valve 3 Failed:valve D
One of the valves of the multi-channel gradient valve has failed to switch
correctly.
The processor monitors the valve voltage before and after each switching cycle.
If the voltages are outside expected limits, the error message is generated.
Probable cause
1
2
3
4
Agilent InfinityLab LC Series 1260 Infinity II Isocratic and Quaternary Pumps User Manual
Gradient valve disconnected.
Connection cable (inside instrument) not
connected.
Connection cable (inside instrument)
defective.
Gradient valve defective.
Suggested actions
Ensure the gradient valve is connected correctly.
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Exchange the gradient valve.
102