Securiam thanks for your reply. So in the main panel I short between terminals T and A? I will try think next time the fault happens as yesterday I had to perform a power up to clear NVM after resetting the tamper switch and my neighbour didnt look pleased.
Handymanjo thanks also for your...
Can I short out the bell box tamper switch in the main control panel? The system as been installed approx 15 years but over the last years in the summer weather the tamper sometimes alarms during the night! Ive made several adjustments to the micro switch setting in the bell box just in case...