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Fuse Replacement
The fuse used should be a type MDL-3A (or MDX-3A) with a SLO-BLO
characteristic. Ordinary fuses must not be used. Avoid over fusing. If
the fuse blows repeatedly without apparent cause, promptly return the
instrument for repair as it may be faulty.
WARNING: Always disconnect equipment from electrical power
before removing a fuse; not doing so may result in serious injury.
1. Disconnect the device from the electrical system.
2. Unscrew the fuse holder cap to access the fuse.
3. Examine the fuse. If there is a visible gap in the wire or a dark
or metallic smear inside the glass, the fuse is blown and needs
replacement. If unable to determine if the fuse is blown, proceed
to steps 4 and 5. If the fuse is confirmed to be blown, proceed to
step 6.
4. Set a multimeter to the resistance or Ω (ohms) setting.
5. Place one of the multimeter leads on one end of the fuse and
the other lead on the opposite end. A reading between 0 and
5Ω (ohms) indicates a good fuse. A higher reading suggests a
faulty or degraded fuse. A reading of "OL" (Over Limit) indicates
a blown fuse.
6. If the fuse is blown, replace it with one that is identical.
7. Screw the fuse holder cap back into place.
Applications
• Control panels
• Transformers
• Electrical motors
• Home appliances
1.800.561.8187
• Lighting fixtures
• Electrical cables
• Components
www.
.com
information@itm.com
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