Can’t get into engineer mode as we don’t have the original user code so can’t get to the menu to try some of the default engineer code. Also tried a selection of default user codes too - doesn’t do it either. Doesn’t appear to be a tamper on the sounders- expect when I relive the battery the...
Some success - removed one sounder too box, middle box has a battery which I guess I should disconnect the try pulling out the fuse to kill the motherboard and panel? Any ideas what the bottom box is? Telephone connection perhaps?
That sets the alarm off. Someone suggested the engineer code would stop that from happening? Otherwise do I need to remove another battery from the sounder as well?
Hi - looking to decommission an old Honeywell alarm - not sure how to disconnect mains power to the board?
If I remove the two black wires capped off in white from the upper left of the circuit board will that do it?
Thanks