Alarm problems with Volvo 940 Classic LPT 2.3l

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Andy - 17 Jan 2005 12:55 GMT

>> Hi - I have a 1996 Volvo 940 Classic LPT.
>> The factory fitted alarm goes off at random times.
>> I've searched the FAQ and can not see the answer.
>>
>> I've tried bouncing on the car to see if its a trembler problem.
>>
>> Any ideas about how to diagnose the problem?
>> Or even details about the make and model generally fitted and where

it is.

>> Many Thanks Andy

>I'm not familiar with the system you have, but in general the big

offender

>for false alarms is an over-sensitive glass breakage sensor. If yours

>fitted with a glass breakage sensor, banging your fist on the metal

pillar

>at the front of the driver's door (not on the glass!) with the alarm
>activated should set it off. The sensor will have a sensitivity

control -

>wherever it is - and reducing the sensitivity is usually the cure.

>Mike

Thanks Mike - Yes this is the type - it has the glass sensor, two
button key fob (door unlock).
I'll look at the glass alarm - the sensor looks sealed.
Thanks Andy

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Peter K L Milnes - 17 Jan 2005 16:14 GMT

I have had trouble with alarms arising from keeping the fob in my pocket.
This sometimes causes the button (s) to be operated and if for about three
seconds can cause the alarm to activate. Rather embarrassing if after folks
have gone to bed. It is worth checking the buttons for correct operation as
they can sometimes get stuck.

Cheers, Peter.

>>> Hi - I have a 1996 Volvo 940 Classic LPT.
>>> The factory fitted alarm goes off at random times.
[quoted text clipped - 25 lines]
> I'll look at the glass alarm - the sensor looks sealed.
> Thanks Andy

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