User manual

Bio-inert Quaternary Pump User Manual 87
Error Information
7
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.