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  #1  
Old 26th February 2015, 11:52 AM
daviesbike daviesbike is offline
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Default Alarm keeps going off !!

HELP!

My alarm keeps going off every 2 minutes.. I have now had to lift the bonnet and disconnect the alarm; it stopped beeping when I lock the car for some reason.( Confirmation Via Beep) and a couple of nights ago this started, and last night was the worst night’s sleep ever.. in the end at 3:30am I went out with screw driver in hand disconnected it" Much to my neighbours Joy" and proceeded back to bed with a high pitched noise whaling away inside my head for the forth coming hour ...

Any advice... I will Vag it later this evening and see what’s going on but has this happened before?
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Old 26th February 2015, 12:40 PM
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if you had any of the doors or boot ajar then that may have been the cause, or failing that it can be the back up battery in the alarm horn running low
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Old 26th February 2015, 02:33 PM
daviesbike daviesbike is offline
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Hmm but I have soft close.. it would just close the car, do they have a battery in the alarm do they?
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Old 26th February 2015, 03:54 PM
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Quote:
Originally Posted by daviesbike View Post
Hmm but I have soft close.. it would just close the car, do they have a battery in the alarm do they?
If its the same as a D2 alarm horn they are "sealed for life" alarm horns with a battery in that eventually dies so you have to get hold of another one second hand with a better battery ideally or buy a new one
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Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange
2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee
20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble
Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior
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Audi A8L D2 4.2 Petrol with LPG - Ebony Black
Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black
Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior
and some other A8's A8L's and Mercs
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Old 26th February 2015, 04:09 PM
mattylondon mattylondon is offline
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Quote:
Originally Posted by daviesbike View Post
it stopped beeping when I lock the car for some reason. (Confirmation Via Beep)
The car should beep? All my Audi's are silent . I only get the visual 2 flash for open, 1 flash for lock.
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Old 26th February 2015, 04:09 PM
HPsauce HPsauce is offline
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I doubt that a low alarm battery would repeatedly sound with the car locked up; you need to plug in VCDS to see what has been triggered.

For reference/comparison a low D2 alarm battery will make it sound a few times shortly after you turn the ignition on.
I replaced the batteries in mine a while back but the "chirp" on locking is getting decidedly pathetic now.....

Quote:
Originally Posted by mattylondon View Post
The car should beep? All my Audi's are silent . I only get the visual 2 flash for open, 1 flash for lock.
All configurable.
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Old 26th February 2015, 04:14 PM
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Quote:
Originally Posted by mattylondon View Post
The car should beep? All my Audi's are silent . I only get the visual 2 flash for open, 1 flash for lock.
You can set it to chirp upon locking on Vagcom which a few of us have done on D3's
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Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange
2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee
20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble
Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior
Tiptronic with Sport mode button, Sony rear entertainment package, Bose sound system, Audi Navigation Plus, 20 inch Final Edition alloys, Full Cat Back Stainless Milltek exhaust, giving a great V8 burble
Audi A8L D2 4.2 Petrol with LPG - Ebony Black
Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black
Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior
and some other A8's A8L's and Mercs
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Old 26th February 2015, 08:07 PM
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What module do you code? I did look for the option but not extensively.

Cheers
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Old 26th February 2015, 08:44 PM
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moltuae moltuae is offline
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Quote:
Originally Posted by Architex_mA8tey View Post
If its the same as a D2 alarm horn they are "sealed for life" alarm horns with a battery in that eventually dies so you have to get hold of another one second hand with a better battery ideally or buy a new one
At a certain age (again, assuming the same alarm as a D2 '8), the battery also begins to leak, all over the alarm circuit board, causing all sorts of weird behaviour, until it eventually corrodes enough of the PCB to stop working altogether.

It's a very common problem I believe, for Audis in general. I replaced my alarm unit recently (with a brand new one), after opening it up to find something like this, only mine was worse, and far beyond repair.
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Last edited by moltuae; 26th February 2015 at 08:46 PM.
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Old 26th February 2015, 08:54 PM
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Quote:
Originally Posted by Burnzybubbles View Post
What module do you code? I did look for the option but not extensively.

Cheers
Try this:-
forum.a8parts.co.uk/attachment.php?attachmentid=9549&d...
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