Help! I had a Sigma s12 with microwave sensors fitted into a new car. Everything was fine until I followed the instructions in the manual to change the pin number. I don't know what I've done (and the manual is NO help whatsoever), but now the alarm goes off every time I unlock the car with the fob. I have to deactivate it every time by diving to the control panel and keying in the pin (which has, incidently, changed to the new one I set).

It's like the alarm has somehow become out of sync with the central locking. Mine and my neighbours' ear drums would be very grateful for any clues..?

 

sounds like you have enabled superlock by accident.

 

What circuit is the alarm triggering on when you come to unlock your vehicle? I.E. the number of flashes on the LED on the dashboard for the alarm when the alarm is disarmed either by using your OE radio key or by using the 4 digit pin in yur keypad and then turning the ignition on? When you have identified how many flashes the LED is providing you with cross reference this to the table in you user guide and this will help identify what circuit is causing the problem. I suspect you will get 10 flashes and this will indicate that the alarm system is triggering on the door circuit from the vehicle when the vehicle is unlocked I.E. The interior lamp comes on automatically when you unlock the vehicle, you do not neccessarily have to open the door to bring this lamp on. If you do find this to be the case or indeed you do get any other flashback please reply to myself and I will supply you with a couple of programme codes to combat this situation that is if you have a keypad installed in your vehicle?. Lastly you suggest you cannot deactivate the alarm with your radio key when it is triggering only thorugh the use of the keypad is this correct? Also if this is the case inbetween the alarm counding it pauses after 30 seconds can you then stop it sounding?

There is no superlock with the S12 security system, however there is a feature called key theft protection with the Sigma S-Series range of alarms where by when you disarm the alarm system you then nedd to enter you 4 digit security pin no into the keypad to allow you to start the vehicle, this must also be completed everytime the immobiliser passively arms itself after the stall and start time - However please note this function is not available with your S12 it is only only S-Series S4, S30, S32 & S34.

Speak soon. Mike.

 

Aha - You're absolutely right, it is 10 flashes, which are "door negative". I'm afraid I didn't notice about the light though- I'll double check that.

I also kept trying with the central locking fob and found that if I pressed lock and unlock then it does turn the alarm off.

The other wierd thing is that the alarm now doesn't always go off when I unlock the door (It's maybe about every 3rd or 4th time of doing it it doesn't)- and I'm not doing anything any differently.

Help much appreciated as it's driving me mad!

 

Checked light - yes it does come on before the door is opened (and the alarm goes off before the door is opened too)...

 

Checked light - yes it does come on before the door is opened (and the alarm goes off before the door is opened too)...

Right here we go,

The reason the alarm is sounding is that it thinks the door of your vehicle is being opened when you come to disarm the alarm, due to your interior light illuminating at the same time your vehicle is unlocked. The alarm monitors your vehicle central door locking motor wires and when these are pulsed (I.E. when you press the unlock button on your radio key), and as long as this is the same length and type of pulse as it has been taught originally along with any relavent inhibit signals the alarm will disram. The alarm could have been taught using one of two different methods, the first is an immediate operation of disarming when you unlock the vehicle and the second method takes around three seconds to disarm the alarm when unlocking the vehicle as the alarm is monitoring the above wires for a longer period of time, and it is here if the alarm see's your door negative wire before it has completely disarmed will cause an alarm trigger resulting in 10 flashes on your LED as you have experienced.

This can easily be overcome by inputting a short programming sequence into the keypad (If one has been installed in your vehicle?) This is optional with the S12 security system, but if you did have it installed it will have a star and a hash button and digits 0 to 9 on it, these buttons are raised and sits on a small case which is around 5cm x 3cm usually located on your dashboard, windscreen or in the glovebox.

Right to sort this, arm the alarm, then disarm it then if you enter into the keypad *17856*117*3# this should sort the triggering of the alarm on disarming.

Just a couple of notes, if you do not have a keypad on your vehicle I am afraid you will either have to go back to the installing dealer or call them out to yourself (If it was originally installed for you at home) but as you can see it is an easy problem to rectify.

Secondly, when using the keypad when you enter the first part of the programming code *17856 you shoul get a siren chirp and when you press the # button you should get a siren chirp. The LED on the KEYPAD should only illuminate once with the press of any button on the keypad, if it flashes multiple times you are inputting a sequence the alarm does not reconise, arm the alarm system disarm the system and start again, and finally do not pinch the above sequence in too fast or too slow just work at a nice steady pace and ensure the LED does flash with any input.

My final comment before boring you to death, is that you mention this trigger event is somewhat intermidiant when unlocking your vehicle. This may seem strange to yourself, but is quite normal in that the alarm system is just seeing the relavent signals from your vehicle for the unlock wire, any inhibit wires connected and the door neg wire at different times, this results in the alarm system working as normal on some occassions disarming but triggering on the door circuit on other occassions, the above programme sequence would rectify this.

Also interestingly is this system installed on a Subaru? If so what model, and is this a UK or import? As this will have dictated what security system should have been installed the vehicle.

Hope this information has not lost you or made you fall to sleep yet, hope this works, and as ever please feel free to pm/relpy at any time and I will endeavour to reply to yourself as soon as.

All the best, Mike.

 

Mike, that's fantastic, thank you. I do have a keypad, and I followed your instructions with the code..I have since stood there locking and unlocking the doors and the alarm hasn't gone off once!!!

Much appreciated (and not in the least boring).

Not a Subaru I'm afraid- I was just struggling to find information, and stumbled on this site. The car is actually a very girlie Daihatsu Copen which I bought new, but as a grey import (which didn't come with alarm or cd player unlike UK standard spec). The alarm was fitted by the dealer as an optional extra.

Thanks again..my little car now makes me smile rather than snarl!!

 

hiya

sorry to bring up a VERY old post.

Ive just bought a car which has a Sigma S32 alarm fitted too it.
I wanted anti hi-jack activated so took it to my local alarm fitter. He came back saying loads of wires hadnt been correctly fitted so charged me to "refit the alarm".

After a lot of money and time it was done but here comes my problem.

Before the alarm refit the alarm would activate and unlock on the central locking but was never correctly connected to the door outputs (just the master CDL button on the dash). - wouldnt always de-activate properly but the alarm wouldnt go off until i opened a door.

NOW though since its been connected properly i seem to have the same issues as the original post.
The alarm activates off the OE key on deadlock but doesnt deactivate. Plus before i even open the door the alarm sounds (assume its because of the courtesy light coming on).
Ive checked the LED flashes and it comes up with 10 again - door negative.

Just wondering if the programming code would be the same for my S32 as the original posters S12 - as it didnt seem to work (unless you have to do it within a certain amount of time of deactivating the alarm?)


Also could someone give me the programming code for anti hi-jack as i dont think he turned it on - as it doesnt work (or maybe there is a different wire he should have connected up?)

sorry for long post but i get up at 5am and so it going off when i go to work isnt good so ive had to disconnect the loom from the brain.

I would go back to the fitter but he's saying "its wired up correctly" so i can look at it but ill charge you again - which im refusing to pay.

The car is a 55plate Astra H with crappy CANprotocol.

Many thanks
Stuart