Replacing fuses – EXFO PM-1100 Optical Power Meter User Manual
Page 61
Maintenance
Optical Power Meter
51
Replacing Fuses
Replacing Fuses
The PM-1100 Optical Power Meter contains two F2.0L250V-type fuses (IEC,
5 mm x 20 mm (0.197 in x 0.787 in), fast-acting, low breaking capacity,
250 V). The fuse holder is located at the back of the Optical Power Meter,
just beside 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 out the fuse holder.
3. Check and replace the fuses, as necessary.
4. Insert the new fuses into the fuse holder.
5. Make sure the fuses are placed firmly in the holder prior to reinsertion.
6. Firmly push the fuse holder back into place.
Fuse holder
Fuse
Fuse holder
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