Disco 2 alarm going off

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mad85

mad85

Active Member
Posts
406
Location
Malta
HI all, I noticed that if i leave the windows a little open (1 inch or even less), the alarm will go off after a while (could be minutes, could be hours). I used to leave the sun roof open and never had this problem. Not sure if related but It might have to do with the fact that I recently removed and replaced the roof lining. I even install a set of wind deflectors but the problem persists. Where I live is frequently 30degrees celcius + so, having a black van, i like to leave the windows a little open , especially when i park it in the sun.
 
I used to do this on my D1 by locking it with the key so it doesn't set the interior sensor. Dunno if D2 is the same but might be worth a try.
 
@Paul D is correct. Locking the vehicle with the key instead of the fob will disable the internal space protection. Use the key to lock the vehicle and the fob to unlock it:-

Untitled.gif
 
mad85 said:
HI all, I noticed that if i leave the windows a little open (1 inch or even less), the alarm will go off after a while (could be minutes, could be hours).
Click to expand...
That's normal cos the volumetric alarm is triggered by air movement.... it was explained above how to override this
 
sierrafery said:
That's normal cos the volumetric alarm is triggered by air movement.... it was explained above how to override this
Click to expand...

Active sensors such a the ultrasonic thats fitted into the disco fill the volume to be protected with an energy pattern and recognize disturbances in the pattern that will be caused by anything moving within the detection zone.

Leaving a window open the detection area “volume” is therefore a lot less along with the movement/detection sensitivity.
It’s not unknown for vehicle ultrasonic alarm sensors to go faulty and usually that’s over sensitive, so time to replace the device.
 
You can change it to double press of the key to activate sensors, and single press to lock doors but no motion detection, with hawkeye or other diagnostic tools, might be worth finding someone nearby. I have done this if I need to jump out and leave the dog inside, I can lock it knowing she won't set the alarm off.
 
discool said:
Active sensors such a the ultrasonic thats fitted into the disco fill the volume to be protected with an energy pattern and recognize disturbances in the pattern that will be caused by anything moving within the detection zone.

Leaving a window open the detection area “volume” is therefore a lot less along with the movement/detection sensitivity.
It’s not unknown for vehicle ultrasonic alarm sensors to go faulty and usually that’s over sensitive, so time to replace the device.
Click to expand...
So you elaboraated it, very well... what i said was the explanation for this particular case... they'll detect air movement if the windows are open, when they fail usually the alarm goes off even with windows closed... that's from my own experience :cool:

Volumetric alarm.jpg
 
neilly said:
Does Charles Dickens need to be involved?

Cheers
Click to expand...


Twas a rank, stormy night as I left the transparent glass ajar on ones disco 2.

Harken! The volumetric pressure sensors did indeed cause the alarming squeal of thunderous cacophony to entail!

Ones neighbours were most displeased, given also the miasma emanating from my diff oil on the public carriageway, I foresee such conflict from the council (metropolitan borough of...) elders to lay itself at the door of my castle, alas poor Discovery, thou hast forsaken me!




*deep bow with extended forelock*
 
1988smithy said:
Twas a rank, stormy night as I left the transparent glass ajar on ones disco 2.

Harken! The volumetric pressure sensors did indeed cause the alarming squeal of thunderous cacophony to entail!

Ones neighbours were most displeased, given also the miasma emanating from my diff oil on the public carriageway, I foresee such conflict from the council (metropolitan borough of...) elders to lay itself at the door of my castle, alas poor Discovery, thou hast forsaken me!




*deep bow with extended forelock*
Click to expand...
You Sir.

deserve a forlock tug.

Cheers
 
thanks for the advise(s) guys... i had gone for a brute force approach... unplugged the interior sensors :D will try locking it with the key . double locking is certainly a good idea... thanks again
 
If you unplugged the sensors no need to lock with key cos the volumetric alarm is not functional... as about the double locking thing, i'm sure that it's a confusion cos it's no such setting for the volumetric alarm, it has only two options: enabled or disabled, the double locking is an option for superlock only
 
sierrafery said:
If you unplugged the sensors no need to lock with key cos the volumetric alarm is not functional... as about the double locking thing, i'm sure that it's a confusion cos it's no such setting for the volumetric alarm, it has only two options: enabled or disabled, the double locking is an option for superlock only
Click to expand...
Sorry Yes, I mean to change the key to one plip press for normal locking, and twice for super locking, which is how I have mine set up.
 
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