My understanding is that you need to know and enter the current code to reset it to manufacturers settings. How about contacting the manufacturer direct and asking them how or even if it can be done?
Hi, On my alarm i had to remove the main unit box with the enclosed rechargable battery and disconnect the battery, leave it for half an hour or so and then reconnect. Mine had then defaulted to the factory setting of 0000. Alarm Idna plug in systems Manufacture fitted. What make is yours
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