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Following the procedure of resetting to default, I power down and linking left-handed PA to SET(pic 1) and power up, then a beep sound coming from the keypad and "tamper" and "attack" light are on(pic 2). But still when I restore the original wiring, the alarm goes off and code 0123 doesn't...

Alarm still goes off with power down and re-power up with no battery connection

Here is the pic taking top cover off

Thank you for your reply. Have tried default code 0123 but not work Have tried two procedure (G3 and G4 cuz I'm not sure so I tried both) G3 [Power down Mains and battery, wait 20 seconds , flick the mains back on and press (Reset, Reset) in quick succession straight after power up.] G4 [1.Power...

After cutting power off and turn back on, the siren of outdoor bell box and the keypad goes off, I can't stop them in anyway (unless cut off all power source). I have already replace new backup battery. There is no response when I input the alarm code. I've also tried to reset to default but...