Unknown Buzzer noise CI Carioca 656

Discussion in 'Tech/Mech General' started by Ian P, Apr 13, 2014.

  1. Ian P

    Ian P

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    Hi all

    Hope somebody can help please.

    Our motor home has started to sound a continuous "warning beep". I have tried the net and the handbooks but to no avail ! Here are the details, would be very grateful if somebody could help.

    1. It only comes on when the engine is running, not even when the ignition is turned on.

    2. It is coming from a dedicated "speaker" mounted in the boxing around the water pump under the dinette table.

    3. It has a reasonable thickness blue and brown cable going into, which is jointed and then runs towards the rear of the vehicle in a concealed loom.

    4. We do not have an electric step.

    Very Frustrating :helpsos:

    Thanks

    Ian
     
  2. edgy

    edgy Funster

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    handbrake on warning device?
     
  3. Brisey

    Brisey Funster Life Member

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    Even though your step is not electrically operated, it may have a "step out" warning buzzer. Check around the step for a micro switch, it may be clogged up with road dirt and needs cleaning.

    Brisey.
     
  4. Emmenay

    Emmenay Funster

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    sounds like an indicators buzzer for when towing. It could be stuck on for some reason, maybe a short circuit.
     
  5. Ian P

    Ian P

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    Hi

    Thanks for replies so far :thumb:

    We don't have any moving step at all.

    I get the handbrake warning alarm quite a bit as it needs to be pushed RIGHT down.

    Don't have a towing socket, but that would be the nearest, will crawl under tomorrow.

    Thanks
     
  6. hilldweller

    hilldweller Funster Life Member

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    That says "charging" to me, so put a voltmeter on the hab battery.

    The other thing under those conditions is the fridge.
     
  7. DavidG58

    DavidG58 Funster

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    we have a habitation door open buzzer on ours, if you do could that be faulty
     
  8. Ralph-n-Bev

    Ralph-n-Bev Funster

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    Do you have a garage door ? If ours isn't shut properly that will buzz like this.
     
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  9. Ian P

    Ian P

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    I think it could be something to do with the charger/ state of battery.

    Just checking around and the control panel is showing 1 led for battery level.

    We have just got back from 10 days away, but had EHU.

    Nothing wrong with "engine" battery.

    Would a faulty battery give these symptoms, or something deeper.

    We have a split solar charger also.

    Thanks

    Ian
     
  10. hilldweller

    hilldweller Funster Life Member

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    Pass.

    Your description matched the split charge relay cutting in but apart from that it's detective work with a voltmeter needed now.
     
  11. rangitira

    rangitira Funster

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    Check on Ralpg-n-Bevs suggestion
     
  12. Phill D

    Phill D

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    do you have a window sensor, we had one on the side window of the dinette on our Carioca, it was to warn that the passenger had released a window catch when engine running.

    it is a black plastic block on the side of the window
     
  13. Ian P

    Ian P

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    Hi, checked all doors etc.

    The wires involved are quite reasonable in size so points to something with a decent load.

    Ian
     
  14. Ian P

    Ian P

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    Interesting, when we purchased the van (private sale) the seller told me it was linked to the water heater so the heater would cut out if the window was open, so as to prevent fumes from the nearby exhaust vent entering the van.

    Will look at that out of interest. (not linked to my buzzer noise though)

    Thanks

    Ian
     
  15. Ian P

    Ian P

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    Thought so, will take to a garage with the appropriate tools.


    Thanks for the help

    Ian
     
  16. nifty fifty

    nifty fifty Funster

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    are you parked up on ehu connected ??
    warning buzzer on ours when engine running if connected to electric
     
  17. Allanm

    Allanm Funster

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    This will fix it
    [​IMG]

    :ROFLMAO:
     
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  18. Ian P

    Ian P

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    Thought so, will take to a garage with the appropriate tools.


    Thanks for the help

    Ian
     
  19. Ian P

    Ian P

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    Garage unable to look at motorhome until after the weekend (no surprise there).

    Did some more investigation.

    Engine running
    Alarm sounding
    Green light on 12v indicator on fridge
    Remove 20a fuse supplying fridge and the alarm stops (starts when replaced)

    Will survive for the weekend and get it looked at after the weekend.
     
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