Fisher F2 signals with no coil / false signals
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  1. #1

    Nov 2013
    Milton, Fl
    Fisher f2
    All Types Of Treasure Hunting

    Fisher F2 signals with no coil / false signals

    I am new to this. I picked up a used fisher f2 about a year ago. It worked well for a while now it seems to get alot of false signals everywhere I go. I was seeing if it was my coil. I disconnected it to check and it still would go off when it wasn't connected. If I take my hand and tap near the connection where the coil connects in it will signal as fast as I can tap it. Should it signal with no coil? Not being familiar with it I am wondering is this normal. Any advice would be greatly appreciated.

  2. #2
    LRL fraud debunked

    Dec 2010
    ciudadano del universo, residente de El Paso TX
    BS detector
    410 times
    Underground detection
    Metal detectors are useless without a searchcoil, therefore operation without a searchcoil is undefined. Many metal detectors are very noisy without a searchcoil, and an individual metal detector may or may not be noisy without a searchcoil depending on EMI conditions, temperature, etc.

    The right question is why are you getting "false signals everywhere" with the searchcoil attached. That's a long list of possibilities: electrical interference, loose searchcoil connector, low batteries, drifted circuit calibration, defect developed in circuit, searchcoil or searchcoil cable developed a defect, failure to reduce the sensitivity level when necessary, .....some folks here can probably think of other possibilities.

    The quickest way to determine whether the searchcoil is at fault is to install a known good searchcoil. If you've got one.

    If you are unable to resolve the problem through the advice of folks here on the forum, the machine will probably have to go back to the factory for repair.

  3. #3

    Jan 2015
    hanover park
    Fisher F2
    11 times
    Relic Hunting
    Seeing as you live in Florida, did you get the coil wet? Is it a waterproof coil? If not, it probably shot and needs repair. There can be trouble with varying soil conditions as well. Hope it all turns out ok. Just bought an F2 myself. Waiting on the delivery.

  4. #4
    we exist,and we are watching you

    Nov 2011
    garrett,minelab,fisher,,,atp current weapon of choice
    3403 times
    Metal Detecting
    Banner Finds (1)
    Honorable Mentions (1)
    believe it or not the f2 will turn on with one battery installed incorrectly(if I remember right)check that out...also if the batteries dont have same power avail it can freak out...even refuse to turn off while quality 1st..then call fisher
    luvsdux likes this.
    I dont care which machine you're gonna dig trash.
    an extra thousand bucks aint gonna solve that.



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