Thank you so much it worked fine. Just the outdoor siren which goes off when main is off and both batteries are removed. Couldn’t find a way to take it off / isolate it, must have its own power supply so the operation was stressful :-D
Hello, inherited the alarm system when bought the house 4 years ago. Don’t have the engineer code, only the user code and fob.
Needed the change the battery (displays kept beeping at random times). Now replaced the battery but says exp tamper 02 and reset required. Then gives me a reset code...