User manual

102 1260 Nanoflow Pump User Manual
7 Error Information
Module Error Messages
Encoder Missing
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 seconds. If the connector is not detected by the processor, the error message
is generated.
Inlet-Valve Missing
The active-inlet valve in the module is missing or defective.
The processor checks the presence of the active-inlet valve connector every
2 seconds. If the connector is not detected by the processor, the error message
is generated.
Probable cause Suggested actions
1 Defective or disconnected pump encoder
connector.
Please contact your Agilent service
representative.
2 Defective pump drive assembly.
Please contact your Agilent service
representative.
Probable cause Suggested actions
1 Disconnected or defective cable.
Please contact your Agilent service
representative.
2 Disconnected or defective connection cable
(front panel to main board).
Please contact your Agilent service
representative.
3 Defective active inlet valve.
Exchange the active inlet valve.