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PREPARING TO USE THE FUSE FINDER
Battery Installation
1. Remove battery cover of receiver.
2. Connect 9V battery (not supplied) and insert into compartment.
3. Re-install battery cover.
Unit Test (Always carry out before use)
1. Plug the FD500/T transmitter into an electrical wall outlet or for the FD600 by using the
13A adaptor or the TL83 lead set and turn the power on.
2. Turn receiver on just until a click is heard and the LED lights. This is the maximum
sensitivity.
3. Place receiver near transmitter. If receiver is working and the wall outlet's power is on,
the receiver will produce a distinctive beep and the LED will flash.
USING THE FUSE FINDER
Locating the Fuse or Circuit Breaker controlling a wall socket.
1. Plug the FD500/T transmitter into an electrical wall outlet or for the FD600 by using the
13A adaptor or the TL83 lead set and turn the power on.
2. Check unit as in "Unit Test" section.
3. Go to fuse box (consumer unit) and place flat surface of receiver at a right angle to and
directly on the fuse or circuit breaker (Fig. 1).
4. Slowly move the receiver along the row or rows of fuses while continually lowering the
receiver's sensitivity by rotating the wheel away from the arrow until only one fuse causes
the receiver to beep.
Fig. 1: Correct
The receiver
must be held at
this angle to best
receive the signal.
3
7
Fig. 2: Wrong
Sockets controlled by a wall switch
Your Fuse Finder is the easiest way to determine if a wall socket is controlled by a switch.
1. Carry out the unit test and ensure it works.
2. Turn the wall switch OFF.
3. Plug the transmitter into the outlet being tested.
4. Repeat the Unit Test.
5. If the receiver does not beep, that outlet is controlled by the wall switch.
Locating more than one socket/location on the same circuit
1. Plug the transmitter into a socket with the power on and verify that the receiver is working
as explained in the "Unit Test" section.
2. Take the receiver to the other location in question, hold the receiver against the socket
or wiring in the same manner as you would with a fuse. Due to variations in the wiring of
sockets you may need to vary the angle of presentation of the receiver unit.
3. If this socket is on the same circuit as the outlet where the transmitter is plugged in, the
receiver will beep.
CAUTION: Use extreme care when you work around electrical circuits. A severe shock
hazard exists. Your Fuse Finder is not intended to replace good electrical practices, but to
assist you in knowing established wiring layouts.
WARNING
In order to avoid the danger of electrical shock, it is important that proper safety
measures are taken when working with voltages exceeding 30V AC rms, 42V peak
or 60V DC.
Cleaning
Disconnect the instrument from all circuits. Moisten a cloth slightly with diluted washing up
liquid and wipe the instrument surface by applying light pressure. Allow a recovery time of 6
hours after cleaning before operating the instrument to ensure it is perfectly dry.
5. Ensure that all fuses/breakers are scanned by
the receiver. Do not assume that the first signal
is the only signal.
(Note: In certain instances an
adjacent fuse may also beep due to the routing of
the wires in the panel. If this occurs or if an area
of the panel is sensitive, remove the panel cover
(observing normal safety precautions) and hold the
Fuse Finder against the wires leading to the fuses.
This should eliminate any crossover signals and
allow unique identification of the fuse).
6. After you have located the right breaker or
fuse, you can turn off the circuit and the receiver
will stop beeping.
7. Check that the red light on the transmitter is off
to confirm you have turned off the correct fuse.
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