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Hello! I've just moved into a new house and it came with a gardtec gt490 alarm; no one knew the code for it! However I've performed a reset on it – making the user code 5678. The code 1234 doesn't seem to work still for engineer access. Does this mean it's locked out? Is there any code...

Hello! I've just moved into a new house and it came with a gardtec gt490 alarm; no one knew the code for it! However I've performed a reset on it – making the user code 5678. The code 1234 doesn't seem to work still for engineer access. Does this mean it's locked out? Is there any code...