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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
Alarm keeps going off 2014 2.2 110 van
The standard LR alarm on my 2.2 2014 110 van keeps going off. It's not got central locking. I've had a good search on here and tried cleaning and putting WD40 on the little push switches on all three doors and the bonnet, but no luck.

Is there anything else I ought to be looking for please?

Thanks for any help, as always.
Post #811287 21st Jan 2020 12:41pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
1.do you have internal movement sensor Question up on head liner driver side




this is activated 15 sec after the alarm set, had one that getting wet with condensation from roof and setting alarm off

2. also check key fob battery

3. check your starting battery voltage

Last edited by dorsetsmith on 21st Jan 2020 2:03pm. Edited 3 times in total
Post #811295 21st Jan 2020 1:43pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5700
2006 Defender 110 Td5 USW Zermatt Silver
A few points where I would start. Disconnect internal sensor, just pull wires out of it, and test if alarm goes off, but starter would be to bypass the bonnet switch and see if that cures it.
Post #811297 21st Jan 2020 1:49pm
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
Thanks very much folks. It was fine until yesterday afternoon, and I do get lots of condensation on the roof, so I'll check those things and report back.
Post #811302 21st Jan 2020 2:08pm
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
Famous last words, but the sensor in the cab had condensation on its lead and into the socket. A quick squirt of Bilt Hamber's Ferrosol and it's been all quiet since about 2.30pm, so I think that was it.

Fingers now crossed....

Thanks again for the help.
Post #811347 21st Jan 2020 7:46pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
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2006 Defender 110 Td5 USW Zermatt Silver
You can just leave the wires out of it if you require a longer test. The alarm still works with it disconnected.
Post #811352 21st Jan 2020 8:00pm
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
Thanks Andy. If it wakes up the neighbourhood in the early hours, I'll know what to do!
Post #811357 21st Jan 2020 8:18pm
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
Ah bother it. It went off at 5.50am.... (and no, it wasn't being pinched!)

More checks to do I think.
Post #811417 22nd Jan 2020 6:08am
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
Incidentally, if it is the bonnet switch (and the gaiter on mine has disintegrated, so it could be), is there any benefit to sticking with the genuine LR one (AMR2022) or are the pattern ones okay?

Thanks again.
Post #811419 22nd Jan 2020 6:15am
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5700
2006 Defender 110 Td5 USW Zermatt Silver
Swapped mine for an original part because I like mt neighbours Rolling with laughter Rolling with laughter Rolling with laughter

Andy
Post #811428 22nd Jan 2020 7:47am
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
I think I get the picture...! Looks like I'll have to change a few more ball valves to pay for it.
Post #811434 22nd Jan 2020 8:04am
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
Just a quick update to say investigations are ongoing, but I've had to leave the alarm off for the last few days just in case it goes off overnight.

Would simply unplugging the under bonnet sensor still leave the alarm working? I checked it with my multi-meter (far too high tech for a plumber...) and it seems to be making and breaking reliably.

I'm also interested to know what effect both a low vehicle battery and a low key fob battery could have. Please be gentle, I'm VERY thick when it comes to electrics!
Post #812098 26th Jan 2020 9:22pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324
United Kingdom 
A low vehicle battery could trigger the BBUS , if fitted. It's a siren sound as opposed the main alarm that uses the horn, so it's easy to tell the difference. Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia
Post #812101 26th Jan 2020 9:25pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5700
2006 Defender 110 Td5 USW Zermatt Silver
You can’t just disconnect the bonnet switch. You would need to disconnect it and then bypass it by joining the two wire/terminals on the vehicle loom.
Post #812104 26th Jan 2020 10:36pm
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907
2014 Defender 110 Puma 2.2 HT Fuji White
Thanks chaps. I think the main battery is probably okay then as it's certainly the horn sounding. I suspected I would need to actually bypass the bonnet switch.

Any thoughts on what a low key fob battery will do please?

Thanks again. The help on here is always first class!
Post #812122 27th Jan 2020 6:16am
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