Upgrades and Maintenance, cont’d

Replacing the Fuse

The primary and redundant AC power circuits are independently fused. The fuses are accessible on the rear panel of the switcher. If a fuse opens, the associated primary or redundant power loop shuts down. If this BME does not have redundant power supplies, the switcher shuts down. Replace the fuse as follows:

1.

On the rear panel, insert the flat blade end of an Extron Tweeker or small

 

screwdriver under the tab on the bottom of the fuse holder and gently pry on

 

the fuse holder until it protrudes from the rear panel (figure 6-6).

Fuse

Figure 6-6 — Fuse replacement

2.

Pull the fuse holder clear of the rear panel.

3.

Remove the fuse from the fuse holder.

4.

If test equipment is available, you can check the fuse.

5.

Place a new 5A/250V time delay fuse in the fuse holder.

6.

Slide the fuse holder into the rear panel until it is flush with the panel.

6-8 Matrix 12800 Switchers • Upgrades and Maintenance

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Extron electronic 12800 manual Replacing the Fuse, Fuse replacement

12800 specifications

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