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67
Troubleshooting and Test Functions
Inlet-Valve Fuse
Inlet-Valve Fuse
The active-inlet valve in the quaternary pump has drawn excessive current
causing the inlet-valve electronic fuse to open.
Probable Causes Defective active inlet valve.
Defective connection cable (front panel to LPM board).
Defective LPM board.
Suggested Actions Restart the quaternary pump. If the error message appears again, exchange
the active inlet valve.
Exchange the connection cable.
Exchange the LPM board.