Replacing Power Fuses In The G2912A Als Controller - Agilent Technologies agilent 7683B Installation, Operation And Maintenance Manual

8
Maintenance

Replacing Power Fuses in the G2912A ALS Controller

The controller uses two replaceable fuses to protect its electronics from line
voltage problems. If blown, replace them as described below.
Fuses blow for a reason. The most likely cause at first installation is an incorrect power
C A U T I O N
configuration (see
Otherwise, normal operation should not blow the fuses. If the fuses blow frequently,
identify and correct the problem
1 Turn off the controller.
2 Remove the power cord.
3 Remove the fuse holder module using a small, flat-bladed screwdriver. (See
4 Install new fuses as shown in
Figure 68
5 Reinstall the fuse holder module, making sure the orientation is correct for
158
"Procedure 8. Install the G2912A ALS Controller"
"Procedure 8. Install the G2912A ALS Controller"
2 A 250 VAC
Proper fuse orientation
the line voltage input. See
Controller" on page 55 for details.
Figure 68.
"Procedure 8. Install the G2912A ALS
Installation, Operation, and Maintenance
Part 3, Maintenance and Troubleshooting
on page 55).
on page 55 for details.
1 A 250 VAC
)