Encoder Missing; Inlet-Valve Missing - Agilent Technologies 1260 Infinity User Manual

Encoder Missing

Error ID: 2046, 2050, 2510
Encoder Missing: Pump channel A
B: Encoder Missing: Pump channel B
The optical encoder on the pump motor in the module is missing or
defective.
The processor checks the presence of the pump encoder connector every
2 s. If the connector is not detected by the processor, the error message is
generated.
Probable cause
1
2

Inlet-Valve Missing

Error ID: 2048, 2052
Inlet- Valve Missing: Pump channel A
B: Inlet- Valve Missing: Pump channel B
The active- inlet valve in the module is missing or defective.
The processor checks the presence of the active- inlet valve connector
every 2 s. If the connector is not detected by the processor, the error
message is generated.
Probable cause
1
2
3
1260 Infinity Binary Pump User Manual
Defective or disconnected pump encoder
connector.
Defective pump drive assembly.
Disconnected or defective cable.
Disconnected or defective connection cable
(front panel to main board).
Defective active inlet valve.
Error Information
Module Error Messages
Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
Suggested actions
Ensure the pins of the active inlet valve
connector are not damaged. Ensure the
connector is seated securely.
Please contact your Agilent service
representative.
Exchange the active inlet valve.
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