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Telshe



Member Since: 02 Jul 2015
Location: West Oxford.
Posts: 49

England 2004 Defender 90 Td5 XS CSW Cairns Blue
Alarm going off around midday when the weather is hot
Over the last few weeks when we have had some decent weather my alarm decides to go off. Any body got any ideas what could be causing this to happen. It usually goes off around 11ish to 2ish.
Many thanks for any info.
Telshe
Post #549996 20th Jul 2016 3:21pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Alarm interior movement sensor may be set it off if you one fitted Question
Post #549998 20th Jul 2016 3:30pm
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Telshe



Member Since: 02 Jul 2015
Location: West Oxford.
Posts: 49

England 2004 Defender 90 Td5 XS CSW Cairns Blue
Many thanks for you quick response Dorsetsmith. Would the sensor be near the roof lining behind the drivers seat ?.
What can l do to check this is the cause ?
Many thanks Telshe
Post #550006 20th Jul 2016 4:08pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

yes that's the one

Do you have remote central locking ?
Post #550008 20th Jul 2016 4:10pm
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Telshe



Member Since: 02 Jul 2015
Location: West Oxford.
Posts: 49

England 2004 Defender 90 Td5 XS CSW Cairns Blue
Yes I do. This how l get over the alarm going off during the day. I set the alarm when has cooled down
Regards Telshe
Post #550019 20th Jul 2016 4:47pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

set it using the key as listed below


Click image to enlarge
Post #550020 20th Jul 2016 4:50pm
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Vogler



Member Since: 02 Nov 2014
Location: Brussels
Posts: 309

Belgium 2015 Defender 110 Td5 HT Chawton White
Did you leave a window open? I recently read about it's functioning in the workshop manual, and apparently it reacts to air moving inside the cabin. On hot days, I tend to leave the vents open when its parked on a quiet spot but that has never triggered the alarm (yet..?).

Greetings,

Joris

Edit: moving air is already mentioned in the screenshot in the previous reply.
Post #550023 20th Jul 2016 4:54pm
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camelman



Member Since: 27 Feb 2013
Location: Peak District
Posts: 3323

United Kingdom 
Have you got a bonnet sensor fitted in the alarm system?
Our RR alarm used to go off when it got hot ant the bonnet expanded ever so slightly. 
Post #550073 20th Jul 2016 8:23pm
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Riccarton



Member Since: 10 Aug 2015
Location: Gods' Own Country
Posts: 280

Scotland 2012 Defender 90 Puma 2.2 HT Zambezi Silver
+1 for the bonnet trigger if you've got one!!! Easily tested though - simply pack it with something on a really hot day and see if it still activates Thumbs Up
Post #550075 20th Jul 2016 8:37pm
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discomog



Member Since: 09 May 2015
Location: Notts/Lincs Border
Posts: 2496

United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Santorini Black
My alarm went off at 01.30 this morning (MY2015, fitted with additional bonnet switch). All windows were closed so there should not have been any air movement in the vehicle. I put it down to the fact that it was stood in the sun all day (it reached 31.7 degrees here). Be interested to know how many more went off in the heat? Defender 90XS SW
Mini Countryman Cooper S
Morgan Plus 8
Post #550091 20th Jul 2016 9:38pm
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