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scantronic 9449/9427 alarm activating when setting alarm?

Recently replaced the backup battery and now when I set the alarm the alarm activates and when I enter the code to rest the alarm the Z5 & Z6 lights are lit on the alarm panel. Any ideas on what is causing this problem would be much appreciated.

Paul McNicholl
February 2018
I did NOT post that rubbish

GTS
March 2020
or key in engineering code then 15,the zoens that arwe used will be lit,if your zones 5 n 6 are not used then press the 6 n 7 button,this will cut them out of the circuit so the panel wont see them

gts
August 2019
Thanks for the info, I'll give that a try.

Paul McNicholl
February 2018
If these zones are unused then panel has returned to default settings. (Usually a give away is code has returned to default also) panel will need reprogramming from engineer menu to turn off these zones. You will get away with inserting a wired loop in these zone terminals provided the default programming suits you (unlikely) otherwise reprogrammed it!

Alan mckenzie
February 2018
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Find out how to mend Scantronic 9427 home alarm systems