Temperature Out Of Range; Valve Failed (Mcgv) - Agilent Technologies 1220 Infinity II LC User Manual

10
Error Information
Pump Error Messages
Probable cause
3
4

Temperature Out of Range

Error ID: 2517
The temperature sensor readings in the motor-drive circuit are out of range.
The values supplied to the ADC by the hybrid sensors must be between 0.5 V
and 4.3 V. If the values are outside this range, the error message is generated.
Probable cause
1

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.
212
Defective pump drive assembly.
Defective main board.
Defective main board.
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Suggested actions
Please contact your Agilent service
representative.
1220 Infinity II LC System User Manual