Replacing fuses – EXFO PSO-100 Series Optical Sampling Oscilloscopes User Manual
Page 92
Maintenance
84
PSO-100
Replacing Fuses
Replacing Fuses
The unit contains two fuses (T2.5A L, 5 mm x 20 mm (0.197 in x 0.787 in),
slow-blow, low-breaking capacity, 250 V). The fuse holder is located at the
back 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.
5. Make sure the fuses are placed firmly in the holder prior to reinsertion.
6. Firmly push the fuse holder into place.
Fuse holder
Fuse
Fuse holder
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