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Troubleshooting and Test Functions
Inlet-Valve Missing
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
2s econds. 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 ❏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.