All Lamps Are Off And The Vacuum Degasser Appears Dead - Agilent Technologies 1200 Series Reference Manual

All Lamps are Off and the Vacuum Degasser Appears Dead

If all other modules in the system are ON (power switch lamp is green) and are
recognized by the connected user interface (module parameters can be set,
module-specific screens appear, and so on), then do the following to determine
the problem with the vacuum degasser:
• Ensure the power cable is connected to the degasser, and the power cable is
• Ensure the power switch on the front of the module is ON.
• Ensure the power fuses are OK.
The fuse holders are located on the rear panel of the vacuum degasser and are
part of the power socket. Check the fuses, and change if necessary:
1 Switch OFF the power switch at the front of the instrument.
2 Remove the power cable from the power connector at the rear of the
3 Press down the clip of the fuse holder and pull out of the power socket.
Figure 10
4 Remove the fuses from the fuse holders.
5 Ensure the fuse wires inside the fuses are not broken. If a test meter is
1200 Series VD Reference Manual
connected to line power.
instrument.
Fuse Holder and Clip
available, check the resistance of each fuse. A good fuse shows a low
resistance (approximately 0 Ohm).
Clip
Fuse holder
3
Troubleshooting
37