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Scantronic 9800?

I am having problems with my alarm. At night when I set it up to go to bed it works OK but after 3/4 hours it goes off I have to run down to turn it off and notice C2 on the key pad. Can oneone please let me know Why this happens. Many thanks
Jav, February 2013
er,we are the experts ,just we dont charge

gts, February 2013
Hi guys thanks for the advice the clean up operation did not work last night. I think it is too much for me to have pir me move by myself I try to seek some help from the experts. Anyway thanks a lot.

Jav, February 2013
forgot to say,turn mains power back on !!!!!!!!silly me
too many wine gums i fear

gts, February 2013
yes,not a prob,just remove al power from the panel mains first then open panel ,the out side sounder will go off,ignore it,pull the red wire from the battery,take off the old pir,take note of where the wires go,better still take a picture,then fit new pir wire it up,replace the cover,replace the red wire on the battery,close the cover key in your pin number

gts, February 2013
Thanks gts I have cleaned as you suggested but have not yet armed the alarm which I will do tonight. Is replacing pir easy?

Jav, February 2013
we are on most nights to help people ,check the sensor ,is it a pir ?check for spiders or cob webs near it,also you may have a spider inside the unit,or the sensor could be faulty,do you have the engineering manual ???you need to do these checkss, then you need to check the voltage at the sensor,you should get between 12.5 to 13,75 volts,but if you open the sensor you will trip the tamper circuit

gts, February 2013
I am sorry gts but I am not on the computer 24/7.

Jav, February 2013
Sitting room.

jav, February 2013
dont bother to reply call an engineer out ,do bother to ask our advice if you cant be arsed to reply to us a very pissed of gts

gts, February 2013
what ison circuit two ?

gts, February 2013
link Click here to see other fixes for Scantronic 9800.