Inlet-Valve Missing - Agilent Technologies 1200 Series Reference Manual

Inlet-Valve Missing

The active-inlet valve in the quaternary pump 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 Causes
• Disconnected or defective cable.
• Disconnected or defective connection cable (front panel to LPM board).
• Defective active inlet valve.
Suggested Actions
1200 Series QP Reference Manual
Ensure the pins of the active inlet valve connector are not damaged. Ensure
the connector is seated securely.
Ensure the connection cable is seated correctly. Exchange the cable if
defective.
Exchange the active inlet valve.
Troubleshooting and Test Functions 3
71