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Fuse Finder.

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I have a Martindale Fuse Finder Kit. It comprises a plug in FD 600/T sender unit and a FD-500/R receiver unit. The receiver unit does not appear to work properly. I have stripped it down and tested it. Its L.E.D. oscillates when the receiver unit is placed right next to the transmitter/ sender unit so I think that the receiver is receiving a signal, but it does not make a sound. I have taken out the little 5V sounder but it is dead on temporary batteries out of the unit. I suppose that it is suitable for a D.C. supply. It may need a varying supply at 5V I do not know. Anyway I have ordered a new sounder unit to try to see if I can repair it.


The sounder unit looks like this.

https://www.ebay.co.uk/itm/Miniature-Electronic-Buzzer-Sounder-5v-Subminiature/123750468773?hash=item1cd01a4ca5:g:RmAAAOSwiDFYM1dn


Any suggestions please?


Bye,


Z.
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  • 0
    Thanks Mike. I have replaced the small sounder with a device called a 5 Volt mini PCB magnetic active buzzer (continuous beep) and it works well. It beeps at about 4 beeps per second. So I can now use the fuse finder. The new part was very inexpensive.


    Bye,


    Z.
Reply
  • 0
    Thanks Mike. I have replaced the small sounder with a device called a 5 Volt mini PCB magnetic active buzzer (continuous beep) and it works well. It beeps at about 4 beeps per second. So I can now use the fuse finder. The new part was very inexpensive.


    Bye,


    Z.
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