Valve Fuse - Agilent Technologies 1200 Series Reference Manual

3 Troubleshooting and Test Functions

Valve Fuse

Valve Fuse 0: Channels A and B
Valve Fuse 1: Channels C and D
The gradient valve in the quaternary pump has drawn excessive current
causing the electronic fuse to open.
Probable Causes
• Defective gradient valve.
• Defective connection cable (front panel to LPM board).
• Defective LPM board.
Suggested Actions
66
Restart the quaternary pump. If the error message appears again, exchange
the gradient valve.
Exchange the connection cable.
Exchange the LPM board.
1200 Series QP Reference Manual