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Gas oven jamming garage door opener remotes???

Discussion in 'Electronic Repair' started by [email protected], Mar 31, 2007.

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  1. Guest

    Yup I get it.......

    *** APRIL FOOL ***
  2. Joy

    Joy Guest

    Has anyone ever hear of something like this? Does it sound like defective
    oven? How to fix???

    My neighbor just had a set of new garage door openers installed. The
    remotes didn't work. Installer couldn't figure it out. Gave up and removed

    Second guy with different openers had same problem but finally traced it
    to the Kitchen Aid Superba gas oven (NOT microwave) since everything works
    fine once the oven is unplugged. I THINK the oven is on a different
    circuit than the openers. It seems to be putting out some frequency that
    is jamming the remotes. The oven does not have to be on to jam, just
    plugged it. Installer says he's never seen a problem like it.

    What could cause an oven to do this???

    Thanks for any comments or suggestions.

  3. Reporting back to its home planet?
  4. badgolferman

    badgolferman Guest

    The only thing I can think of would be that the range's electronics are
    so messed up that it is emitting much electrical noise into the house's
    electrical wiring. Maybe the RF receiver of the garage door opener is
    too sensitive to noise and can't decipher the signal from the remotes.
  5. Tony Hwang

    Tony Hwang Guest

    It sounds like the conrol circuitry of oven is emitting RF signal and
    swamping the garage door opener's receiver. If it has pig tail antenna,
    make it as short as posible and see. Or I know opener circuitry does not
    have good shielding but first thing to do is to contact oven
    manufacturer and FCC as well, I guess. Being a retired EE, I think I can
    tackle like this if it were in my neighborhood but really it is oven
    manufacturer's responsibility.
  6. Reed

    Reed Guest

    You might try posting this issue at

    Good Luck
  7. Joy;
    I am not familiar with your oven, so can only speak generally. I am also
    guessing you are in the US.

    A lot of new appliances have electronic controls which contain a
    computer processor (CPU) and a display. Additionally something like a
    gas oven might contain an igniter. Those types of circuits can emit
    radio frequency energy. Since your oven does this when its not being
    used, I would suspect that the igniter is not the problem, but more
    likely the CPU or display, or a perhaps it's power supply. A CPU has an
    oscillator clock which can run in the many megahertz. The display is
    also clocked and can radiate signals. I would guess that the proximity
    of the oven to your garage receiver is very close as in many homes the are.

    If your garage door installer can install the receiver on a distant part
    of the house, yet still visible to the driveway, it may work.

    Secondly; There are some avenues to consider which would start with
    lodging a formal complaint with the oven manufacturer and copying to the
    Federal Communications Commission OET Bureau. It is possible that the
    oven is generating excessive radio frequency interference (RFI), and the
    manufacturer should be interested in resolving this as they must comply
    to FCC rules (CFR47 Part 15). Those rules do permit some unintentional
    radiation, but since it appears that the level of interference is higher
    than permitted for an "intentional radiator" (Your garage door
    transmitter), it is possible the oven is operating outside FCC
    permissable specifications. Unfortunately, my experience with appliance
    manufacturers is that they hide behind a cloak of service subcontractors
    and once the product is out the door, getting the manufacturer to
    respond is nearly imposssible.

    Third, the garage door opener normally operates in a frequency band
    which is also used for militrary and airforce communications, so the FCC
    should be concerned about a consumer product radiating a strong signal
    in that band. If they are doing their job, the FCC would at a minimum
    research the certifications for the oven to see if the manufacturer did
    the required testing. You would be surprised how many don't.

    Finally; A more practical solution would be to find out if the garage
    door opener is available with a remote system operating in a different
    frequency band. It was recently necessary to modify many garage door
    openers because military bases nearby were installing new radio systems
    which created constant interference to garage door openers.

    Joe Leikhim K4SAT
    "The RFI-EMI-GUY"©

    "Treason doth never prosper: what's the reason?
    For if it prosper, none dare call it treason."

    "Follow The Money" ;-P
  8. James Sweet

    James Sweet Guest

    My gas stove burner spark igniter interferes with some things, but that
    only fires off when the burners are being lit. I have no idea what would
    cause it with the oven, those normally use a hot surface igniter. You
    could try plugging it into an RFI filter and see if that helps.
  9. James Sweet

    James Sweet Guest

    Oh another thing came to mind, make sure the oven is properly grounded.
  10. Guest

    Guest Guest

    there goes the neighbor hood! ;-))

    ragged band allocation sure does offer plenty of jobs and equipment
    opportunities, eh!
  11. Guest

    Guest Guest

    we live within 600 yds of navy base, they do regular comms to who knows
    where, daily and frequently. local cable tv system was receiving plenty of
    what seemed to be quite interesting internal audio comms right into the
    line, that went right into our ears as we were viewing the various cable
    channels. cable guy kept ragging that we had bad receivers, navy denied
    it even was happening, talk about homeland security holes, yeee gads!

    finally was cured when lightning strike toasted three stop band filters that
    had to be replaced on aerial line running to our neighbor hood.

    made life fun at any rate.
  12. JR North

    JR North Guest

    Put a tinfoil beanie on the oven board. Might make one for yourself
    while you're at it.
  13. Ken Weitzel

    Ken Weitzel Guest


    Wonder if a coupla ferrite beads on the power line feeding
    the receiver might help?

    Take care

  14. Very good point!

    Joe Leikhim K4SAT
    "The RFI-EMI-GUY"©

    "Treason doth never prosper: what's the reason?
    For if it prosper, none dare call it treason."

    "Follow The Money" ;-P
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