Chapter 5 Maintenance and Troubleshooting Fuse© 2012 Harmonic Inc. 35 Electra 1000, Version 3.0, Rev M5.2 FuseEncoders with an AC power supply use a slow blow 4.0 A, 250 V fuse, 5 x 20 mm. The fuseis located on the back panel beside the power input. A spare fuse is located in the fuse cover,shown in Figure 5-3.Figure 5-3: Fuse cover and AC power input5.2.1 Replacing the FuseTo replace the fuse:1. Unplug the power cord from the chassis.DANGER: You must disconnect the power cord before removing the fuse.2. Pull down the fuse cover on the back panel.3. Remove the old fuse.4. Install the new fuse.DANGER: Always replace the fuse with a fuse of the same rating and type. Using a different fuse voidsthe Harmonic warranty and could result in fire or other electrical damage.5. Replace the fuse cover.6. Plug in the encoder.5.3 Contacting Harmonic SupportThe Harmonic Customer and Technical Support groups are available to help you with anyquestions or problems you may have regarding Harmonic products.For assistance from within the U.S. and Canada, call toll free:1.888.MPEGTWO (673.4896)For assistance from outside the U.S. and Canada, call:1.408.490.6477The fax number is 408.490.6770The email address is techhelp@harmonicinc.comThe corporate address for Harmonic Inc. is:Harmonic Inc.4300 North First St.San Jose, CA 95134, U.S.A.Attn: Customer SupportFuse cover
