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EXFO FTB-500 - Restoring Your Unit to Normal Operation

EXFO FTB-500
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Maintenance
FTB-500 283
Replacing Fuses (Eight-Slot Model Only)
Replacing Fuses (Eight-Slot Model Only)
The unit contains two F6.3A L type fuses (5 mm x 20 mm (0.197 in x
0.787 in), fast-acting, low-breaking capacity, 250 V). The fuse holder is
located on the left panel of the unit, just below the power inlet.
To replace a fuse:
1. Turn off the unit and unplug the power cord.
2. Using a flat-head screwdriver as a lever, pull the fuse holder out of the
unit.
3. Check and replace the fuses, if necessary.
4. Insert the new fuse into the fuse holder.
WARNING
Both neutral and live wires are energized. If a fuse is blown, make
sure that no part of the unit remain energized when changing it.
Fuse holder
Fuse
Fuse holder

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