Alarm problem

nelliethehooker
nelliethehooker Club Member Posts: 13,647 ✭✭✭
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edited November 2018 in Caravans #1

We have just got home from our last trip ( without any problems) and having parked up, emptied the van and locked up I set the alarm. About an hour later it went off!!surprised Swtiched it off and back on and after another hour or so it went off again. I left it off for a day and then switched it back on at lunchtime today. 3 1/2 hrs later it went off again!!yell Anyone any ideas of why this may be happening?

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  • Tinwheeler
    Tinwheeler Forum Participant Posts: 23,149 ✭✭✭
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    edited November 2018 #2

    I’ve seen similar posts to this (probably on another forum - not that one!) where it’s been traced to radio interference from various items - eg a neighbour's wireless doorbell of someone locally with a new broadband router. How you set about tracing it is another matter but perhaps you could ask your immediate neighbours if they've installed anything new.

  • nelliethehooker
    nelliethehooker Club Member Posts: 13,647 ✭✭✭
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    edited November 2018 #3

    Thanks for that TW, I'll do that when I see them over the weekend, as they are out all day. It's never happened at home before, so it could well be the case.

  • Tinwheeler
    Tinwheeler Forum Participant Posts: 23,149 ✭✭✭
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    edited November 2018 #4

    The symptoms sounded likely but who knows?

    Apparently routers can be programmed to run on different frequencies, so I hear.

  • EmilysDad
    EmilysDad Forum Participant Posts: 8,973
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    edited November 2018 #5

    What flavour of alarm is fitted? My Sargent Stinger 310 will 'bleep' so many time as you dis-arm arm it to tell you why it triggered eg interior passive or tilt etc

    Can you switch off any part of the alarm eg the interior passive to try to narrow things down

  • nelliethehooker
    nelliethehooker Club Member Posts: 13,647 ✭✭✭
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    edited November 2018 #6

    Not sure of the sort, MM, standard one fitted with Bailey Unicorn

    However have tried it again today and without having touched anything it seems to be operating correctly, fingers crossed. So far it's not gone off since 13:30.

    Very strange. The one thing that might have caused the alarm going off  was a "strange" car being locked using a fob. We have new neighbours, 2 doors away with a Merc, perhaps locking this caused the problem.

  • nelliethehooker
    nelliethehooker Club Member Posts: 13,647 ✭✭✭
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    edited November 2018 #7

    I wrote the above too soon, because at 1:10 this morning the alarm went off again.yell

    Have spoken to my neighbour and he has not change his router while we were away. Thought that I'd found the offending item this morning as I discovered that I'd left the motormover switch in the on position, after siting the van when we got home, so corrected that. However after setting the alarm this afternoon it went off again after 3 1/2 hrs!! 

    MM, I've tried to locate the alarm in the van but all I can find is the actual noise box, which has no obvious switches or controls.

    Help please....Troubled of Cumbria.wink

  • Tinwheeler
    Tinwheeler Forum Participant Posts: 23,149 ✭✭✭
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    edited November 2018 #8

    Sorry to hear it’s still troublesome.

    …Confused of Cornwall.

     

  • SteveL
    SteveL Club Member Posts: 12,311 ✭✭✭
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    edited November 2018 #9

    We had a similar problem on our Bailey U2 alarm, after OH hung something over the PIR. We were on site at the time and it kept going off within 5 / 10 minutes of setting. Even after removing the offending object. Not really sure what solved it in the end as we tried several things. Disconnected / reconnected  12 volt, changed batteries in the PIR and disconnected and reconnected EHU.

    The problem stopped after disconnecting / reconnecting the EHU. I can't see why that should have worked, so tended to think it was the batteries in the PIR and that although it went off after changing them, it then reset.

    When I tested the old batteries from the PIR they were almost totally flat.

  • nelliethehooker
    nelliethehooker Club Member Posts: 13,647 ✭✭✭
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    edited November 2018 #10

    Steve, there's not been anything different in the van since we've returned home compared to the situation when we were away. I had changed the batteries in the PIR during our last trip, too. The van has also been on EHU since we came home, and I've since disconnected it. 

    I set the alarm again this afternoon about 2:30 and it's not yet gone off.....fingers crossed.  Just hope that it doesn't start again once we've gone to bed.

  • nelliethehooker
    nelliethehooker Club Member Posts: 13,647 ✭✭✭
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    edited November 2018 #11

    It started it's tricks again at 3:10 this morning.yell What I'll do is switch the alarm on when we go to bed and hopefully it won't go off before we get up in the morning. Fingers crossed.

  • EalingBob
    EalingBob Forum Participant Posts: 32
    edited December 2018 #12

    An alarm engineer told me some time ago that insects such as spiders can set these systems off by crawling across the PIR . Any big spiders in your caravan!

  • EasyT
    EasyT Forum Participant Posts: 16,194
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    edited December 2018 #13

    Had some parts replaced on our system at first service as it had started alarming 4 times a week - usually at 3 or 4 am. I don't normally get up before 5.30 smile

  • rjb
    rjb Forum Participant Posts: 118
    edited December 2018 #14

    I had this with my luna it was the contacts on the corner steady they were almost touching and when the wind blew or the van moved they made contact and set the alarm off just tightened the leg slightly and it stopped

  • nelliethehooker
    nelliethehooker Club Member Posts: 13,647 ✭✭✭
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    edited December 2018 #15

    Don't think that there's any insects in the van, as I hoovered it out before this problem started, EB

    Thanks for the other suggestions, I'll try tightening up the legs tomorrow and perhaps change the battery in the PIR, too.

    Fingers crossed that these will fix it.

  • nelliethehooker
    nelliethehooker Club Member Posts: 13,647 ✭✭✭
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    edited December 2018 #16

    Update....I changed the batteries in the PIR yesterday and that seems to have solved the problem.

    Thanks again for all your suggestions & ideas.

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